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  • Bad Astronomer Phil Plait notes the many galaxies in the night sky caught mid-collision.

  • Centauri Dreams reports on the plan of China to send a probe to explore near-Earth co-orbital asteroid 2016 HO3 and comet 133P.

  • Gizmodo reports, with photos, on the progress of the Chang'e 4 and the Yutu 2 rover, on the far side of the Moon.

  • Joe. My. God. notes that Bill de Blasio hopes to ban new steel-and-glass skyscrapers in New York City, part of his plan to make the metropolis carbon-neutral.

  • JSTOR Daily notes a critique of the BBC documentary Planet Earth, arguing the series was less concerned with representing the environment and more with displaying HD television technology.

  • Language Hat notes the oddities of the name of St. Marx Cemetery in Vienna. How did "Mark" get so amusingly changed?

  • Language Log looks at how terms for horse-riding might be shared among Indo-European languages and in ancient Chinese.

  • Lawyers, Guns and Money notes the grounds for the workers of New York's Tenement Museum to unionize.

  • The NYR Daily notes the efforts of Barnard College Ancient Drama, at Columbia University, to revive Greek drama in its full with music and dance, starting with a Euripedes performance.

  • Starts With A Bang's Ethan Siegel shares some iconic images of the Earth from space for Earth Day.

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  • Bad Astronomy notes how the occultation of distant stars by nearby asteroids can help astronomers determine stars' size.

  • D-Brief notes the remarkable achievements of some scientists in reviving the brains of pigs hours after their death.

  • Dangerous Minds takes a look at how David Bowie got involved in The Man Who Fell To Earth.

  • Dead Things looks at the recent identification of the late Cretaceous dinosaur Gobihadros.

  • Bruce Dorminey notes that astronomers have determined an interstellar meteorite likely hit the Earth in 2014.

  • Gizmodo reports on a very dim L-dwarf star 250 light-years away, ULAS J224940.13−011236.9, that experienced a massive flare. How did it do it?

  • Hornet Stories shares some vintage photos of same-sex couples from generations ago being physically affectionate.

  • At The Island Review, Nancy Forde writes about motherhood and her experience on Greenland, in the coastal community of Ilulissat.

  • JSTOR Daily notes how Paris' Notre-Dame has always been in a process of recreation.

  • Erik Loomis at Lawyers, Guns, and Money notes the continuing oppression of workers in Bangladesh.

  • The LRB Blog notes the flaws in the defense, and in the political thinking, of Julian Assange. (Transparency is not enough.)

  • The NYR Daily reports on how photographer Claudia Andujar has regarded the Yanomami as they face existential challenges.

  • The Planetary Society Blog traces the crash of Beresheet on the Moon to a software conflict.

  • Ilya Somin at the Volokh Conspiracy warns against the idea of inevitable moral progress.

  • Window on Eurasia notes the desires of some Russian conservatives to see Russia included in a European Union dominated by neo-traditionalists.

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  • Centauri Dreams notes the discovery of rocky debris indicative of destroyed planets in orbit of the white dwarf SDSS J122859.93+104032.9, 400 light-years away.

  • JSTOR Daily shows how the Columbine massacre led to a resurgence of evangelical Christianity in the US.

  • Language Log notes an example of digraphia, two scripts, in use in Taiwan.

  • Lawyers, Guns and Money identifies the presidential run of Howard Schultz in ways unflattering to him yet accurate.

  • The LRB Blog takes a look at the current, unsettling, stage of artificial intelligence research.

  • At the NYR Daily, Boyd Tonkin writes about an exhibition of the works of Van Gogh at the Tate Britain highlighting his ties with England and with his Europeanness.

  • Starts With A Bang's Ethan Siegel reports on the ultimate fate of the Earth, a cinder orbiting a black dwarf.

  • Strange Company tells the strange, sad story of 19th century California writer Yda Hillis Addis.

  • At Vintage Space, Amy Shira Teitel explains why the Apollo missions made use of a dangerous pure-oxygen environment.

  • Window on Eurasia notes how, 41 years ago, protests in Georgia forced the Soviet Union to let the Georgian republic keep Georgian as its official language.

  • Arnold Zwicky starts with peeps and goes on to look at dragons.

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  • D-Brief notes the discovery of a fossil of a four-limbed whale in Peru, dating 42.5 million years.

  • D-Brief looks at how the bacterium Enterococcus faecalis morphed from normal gut bacteria to potentially fatal hospital-borne infection.

  • D-Brief notes a proposal to build offshore platforms as habitat for fish and for birds.

  • D-Brief notes how the Falcon Heavy is proving itself a vanguard of progress in spaceflight.

  • D-Brief notes new evidence of there having been multiple regional populations of Denisovans, drawing from work in Indonesia.

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  • Charlie Stross hosts at Antipope another discussion thread examining Brexit.

  • Architectuul takes a look at five overlooked mid-20th century architects.

  • Bad Astronomy shares a satellite photo of auroras at night over the city lights of the Great Lakes basin and something else, too.

  • The Broadside Blog's Caitlin Kelly writes about the directions love has taken her, and wonders where it might have taken her readers.

  • Centauri Dreams reports on the Hayabusa 2 impactor on asteroid Ryugu.

  • John Quiggin at Crooked Timber takes issue with the claims of Steven Pinker about nuclear power.

  • D-Brief notes the detection, in remarkable detail, of a brilliant exocomet at Beta Pictoris.

  • The Dragon's Tales considers the possibility that China might be building a military base in Cambodia.

  • Karen Sternheimer writes at the Everyday Sociology Blog about the importance of small social cues, easily overlookable tough they are.

  • Far Outliers notes the role of Japan's imperial couple, Akihito and Michiko, in post-war Japan.

  • L.M. Sacasas at The Frailest Thing writes about the potential inadequacy of talking about values.

  • Gizmodo notes a new study suggesting the surprising and potentially dangerous diversity of bacteria present on the International Space Station.

  • Mark Graham shares a link to a paper, and its abstract, examining what might come of the creation of a planetary labour market through the gig economy.

  • Hornet Stories takes a look at Red Ribbon Blues, a 1995 AIDS-themed film starring RuPaul.

  • io9 notes that Guillermo del Toro and Cornelia Funke are co-writing a Pan's Labyrinth novel scheduled for release later this year.

  • Joe. My. God. notes a new study suggesting 20% of LGBTQ Americans live in rural areas.

  • JSTOR Daily takes a look at the Bluestockings, the grouping of 18th century women in England who were noteworthy scholars and writers.

  • Language Hat notes an ambitious new historical dictionary of the Arabic language being created by the emirate of Sharjah.

  • Language Log examines, in the aftermath of a discussion of trolls, different cultures' terms for different sorts of arguments.

  • Erik Loomis at Lawyers, Guns and Money notes how early forestry in the United States was inspired by socialist ideals.

  • The Map Room Blog links to a map showing the different national parks of the United Kingdom.

  • Alex Tabarrok at Marginal Revolution, noting the new findings from the Chixculub impact, notes how monitoring asteroids to prevent like catastrophes in the future has to be a high priority.

  • The New APPS Blog explains how data, by its very nature, is so easily made into a commodity.

  • The NYR Daily considers the future of the humanities in a world where higher education is becoming preoccupied by STEM.

  • Corey S. Powell at Out There interviews Bear Grylls about the making of his new documentary series Hostile Planet.

  • Personal Reflections' Jim Belshaw considers the pleasures of birds and of birdwatching.

  • Jason C. Davis at the Planetary Society Blog noted the arrival of the Beresheet probe in lunar orbit.

  • Drew Rowsome reviews the new amazing-sounding play Angelique at the Factory Theatre.

  • The Russian Demographics Blog notes a paper that makes the point of there being no automatic relationship between greater gender equality and increases in fertility.

  • The Signal looks at how the Library of Congress has made use of the BagIt programming language in its archiving of data.

  • Starts With A Bang's Ethan Siegel comes up with questions to ask plausible visitors from other universes.

  • Strange Company notes the mysterious deaths visited on three members of a British family in the early 20th century. Who was the murderer? Was there even a crime?

  • Towleroad notes the activists, including Canadian-born playwright Jordan Tannahill, who disrupted a high tea at the Dorchester Hotel in London over the homophobic law passed by its owner, the Sultan of Brunei.

  • Window on Eurasia notes rising instability in Ingushetia.

  • Yorkshire Ranter Alex Harrowell notes that the British surveillance of Huawei is revealing the sorts of problems that must be present in scrutiny-less Facebook, too.

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  • Bad Astronomer Phil Plait argues that the new American plan to put people on the Moon in 2024 is unlikely to succeed in that timeframe.

  • The Broadside Blog's Caitlin Kelly considers whether or not women should travel alone, for safety reasons. (That choice is one I've not had to make myself, thanks to my male privilege; I'm very sorry others have to consider this.)

  • Centauri Dreams shares the thinking of Gregory Benford on Lurkers, self-replicating probes produced by another civilization not signaling their existence to Earth.

  • Maria Farrell at Crooked Timber argues that policy-making these days is often fundamentally ill-conceived, closing off possibilities for the future.

  • The Crux notes the remarkable powers of beet juice, as a tonic for athletes for instance.

  • D-Brief looks at the slot canyons of Titan, bearing similarities in structure and perhaps origin to like structures in Utah.

  • Andrew LePage at Drew Ex Machina, celebrating five years of blogging, links to his ten most popular posts.

  • Gizmodo notes the creation for a list of nearly two thousand nearby stars that the TESS planet-hunter might target for a search for Earth-like worlds.

  • Joe. My. God. notes that the Austrian president has confirmed the New Zealand shooter has made a financial donation to a far-right group in Austria.

  • JSTOR Daily looks at Inge Lehmann, the scientist who determined the nature of the inner core of the Earth.

  • Language Hat reports on a new scholarly publication, hundreds of pages long, gathering together the curses and profanities of the Middle East and North Africa.

  • Scott Lemieux at Lawyers, Guns and Money does not seem impressed by the argument of Mike Lee that pronatalism is a good response to global warming.

  • The Map Room Blog notes the impressive maps of Priscilla Spencer, created for fantasy books.

  • Marginal Revolution links to a paper that examines the positions of Jews in the economies of eastern Europe, as a "rural service minority".

  • The Russian Demographics Blog links to a paper noting the ways in which increased human development has, and has not, led to convergence in family structures around the world.

  • Starts With A Bang's Ethan Siegel explains how, despite the expanding universe, we can still see very distant points.

  • Frank Jacobs at Strange Maps reports on the recent mistakes made by Google Maps in Japan.

  • Yorkshire Ranter Alexander Harrowell explains why the United Kingdom, after Brexit, does not automatically become a member of the European Economic Area.

  • Arnold Zwicky takes a look at the different factors, often unrecognized, going onto the formation of nonsense names, like those of the characters from Lilo and Stitch.

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  • Centauri Dreams considers the possibility of carbon dioxide being a biosignature in the atmospheres of exoplanets.

  • D-Brief notes the discoveries of Hayabusa2 at asteroid Ryugu, including the possibility it was part of a larger body.

  • Gizmodo links to a new analysis suggesting the behaviour of 'Oumuamua was not so unprecedented after all, that it was a simple exocomet.

  • JSTOR Daily looks at Agnes Chase, an early 20th century biologist who did remarkable things, both with science and with getting women into her field.

  • Robert Farley at Lawyers, Guns and Money links to a new article of his analyzing the new aircraft carriers of Japan, noting not just their power but the effective lack of limits on Japanese military strength.

  • Marginal Revolution notes the substantial demographic shifts occurring in Kazakhstan since independence, with Kazakh majorities appearing throughout the country.

  • Neuroskeptic considers if independent discussion sections for online papers would make sense.

  • The NYR Daily shares a photo essay by Louis Witter reporting on Moroccan boys seeking to migrate to Europe through Ceuta.

  • Roads and Kingdoms has an interview with photographer Brett Gundlock about his images of Latin American migrants in Mexico seeking the US.

  • Starts With A Bang's Ethan Siegel explores the mass extinction and extended ice age following the development of photosynthesis and appearance of atmospheric oxygen on Earth two billion years ago.

  • Window on Eurasia notes that, in Karabakh, Jehovah's Witnesses now constitute the biggest religious minority.

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  • National Geographic reports on the discovery of animals slaughtered by mysterious hominins present in the Philippines some 700 thousand years ago. Who were they?

  • National Geographic notes a new study suggesting that, before the Chixculub impact, the dinosaurs were doing fine as a group of animals, that they were not on the verge of dying out. The dinosaurs simply had bad luck.

  • CityLab notes how the jobs typically filled by women, particularly, are especially vulnerable to roboticization.

  • CBC recently reported from a conference in Las Vegas, where robots demonstrated their ability to fill any number of jobs, displacing human workers.

  • Matt Simon at WIRED wrote about the potential for robot and human workers to co-exist, each with their own strengths.

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  • Bad Astronomy's Phil Plait shares Johannes Kroeger's image of the median Earth.

  • The Crux considers when human societies began to accumulate large numbers of aged people. Would there have been octogenarians in any Stone Age cultures, for instance?

  • The Dragon's Tales considers Russia's strategy in Southeast Asia.

  • Alexandra Samuel at JSTOR Daily notes that one way to fight against fake news is for people to broaden their friends networks beyond their ideological sympathizers.

  • Language Log, noting a television clip from Algeria in which a person defend their native dialect versus standard Arabic, compares the language situation in the Arab world to that of China.

  • Marginal Revolution's Tyler Cowen explains how the Tervuren Central African museum in Brussels has not been decolonized.

  • The Planetary Society Blog explores the ice giants, Uranus and Neptune.

  • Starts With A Bang's Ethan Siegel explains why, in current physics, the multiverse must exist.

  • Strange Company explores the strange disappearance, in the Arizona desert in 1952, of a young couple. Their plane was found and in perfect condition, but what happened to them?

  • Strange Maps reports on the tragic migration of six Californian raptors, only one of which managed to make it to its destination.

  • Towleroad reports on the appearance of actor and singer Ben Platt on The Ellen Show, talking about his career and coming out.

  • Window on Eurasia notes the apparently widespread mutual dislike of Chechens and Muscovites.

  • Arnold Zwicky considers the French Impressionist artists Pierre Puvis de Chavannes and Suzanne Valadon, with images of their art.

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  • Core samples from the Earth contain the history of our planet's orbital machinations. D-Brief reports.

  • Global action on climate, D-Brief notes, is needed now if we are to save the Earth for future generations.

  • Certain kinds of tectonic collisions, by exposing fresh rock, may well cause ice ages. D-Brief reports.
  • Some Apollo moon rocks as yet untouched by science have been given over for analysis. D-Brief reports.

  • An analysis of pig bones at Stonehenge reveals the cosmopolitanism of the visitors to that site. D-Brief reports.

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  • Bad Astronomer Phil Plait notes how the dinosaurs seem to have been killed off 65 million years ago by a combination of geological and astronomical catastrophes.

  • Centauri Dreams examines Kepler 1658b, a hot Jupiter in a close orbit around an old star.

  • The Crux reports on the continuing search for Planet Nine in the orbits of distant solar system objects.

  • D-Brief notes how researchers have begun to study the archaeological records of otters.

  • Cody Delistraty profiles author and journalist John Lanchester.

  • Far Outliers reports on the terrible violence between Hindus and Muslims preceding partition in Calcutta.

  • L.M. Sacasas at The Frailest Thing suggests the carnival of the online world, full of hidden work, is actually an unsatisfying false carnival.

  • Hornet Stories reports that São Paulo LGBTQ cultural centre and homeless shelter Casa 1 is facing closure thanks to cuts by the homophobic new government.

  • io9 reports on one fan's attempt to use machine learning to produce a HD version of Deep Space Nine.

  • JSTOR Daily takes a look at the increasing trend, at least in the United States and the United Kingdom, to deport long-term residents lacking sufficiently secure residency rights.

  • Lawyers, Guns and Money looks at the literally medieval epidemics raging among the homeless of California.

  • Marginal Revolution considers how the Book of Genesis can be read as a story of increasing technology driving improved living standards and economic growth.

  • The NYR Daily interviews Lénaïg Bredoux about #MeToo in France.

  • The Planetary Society Blog considers the subtle differences in colour between ice giants Uranus and Neptune, one greenish and the other a blue, and the causes of this difference.

  • The Speed River Journal's Van Waffle shares beautiful photos of ice on a stream as he talks about his creative process.

  • Starts With A Bang's Ethan Siegel considers what the universe was like back when the Earth was forming.

  • Window on Eurasia reports on a statement made by the government of Belarus that the survival of the Belarusian language is a guarantor of national security.

  • Arnold Zwicky was kind enough to share his handout for the semiotics gathering SemFest20.

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  • James Nicoll at Tor writes about some of the bizarre multicellular life forms of the ancient past of Earth.

  • Universe Today looks at the evidence for ancient rivers flowing on the southern highlands of Mars.

  • Universe Today notes evidence for continuing volcanic activity on Mars.

  • Universe Today examines Messier 79, a globular cluster in our galaxy that may have come from outside.

  • Wired notes how improvements in gravitational wave astronomy technology will lead to amazing amounts of detail about our cosmic neighbourhood in the near future.

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  • Bad Astronomer Phil Plait looks at the newly-named Neptune moon of Hippocamp, and how it came about as product of a massive collision with the larger moon of Proteus.

  • Centauri Dreams also reports on the discovery of the Neptune moon of Hippocamp.

  • Chris Bertram at Crooked Timber notes how the attempt to revoke the citizenship of Shamima Begum sets a terribly dangerous precedent for the United Kingdom.

  • D-Brief notes new evidence suggesting the role of the Deccan Traps volcanic eruptions in triggering the Cretaceous extinction event, alongside the Chixculub asteroid impact.

  • Far Outliers notes the problems of Lawrence of Arabia with Indian soldiers and with Turks.

  • L.M. Sacasas at The Frailest Thing takes issue with the state of philosophical contemplation about technology, at least in part a structural consequence of society.

  • Hornet Stories shares this feature examining the future of gay porn, in an environment where amateur porn undermines the existing studios.

  • JSTOR Daily considers the spotty history of casting African-American dancers in ballet.

  • Language Hat suggests that the Académie française will soon accept for French feminized nouns of nouns links to professionals ("écrivaine" for a female writer, for instance).

  • The LRB Blog considers the implications of the stripping of citizenship from Shamima Begum. Who is next? How badly is citizenship weakened in the United Kingdom?

  • Marginal Revolution notes the upset of Haiti over its banning by Expedia.

  • The NYR Daily notes the tension in Turkey between the country's liberal laws on divorce and marriage and rising Islamization.

  • Starts With A Bang's Ethan Siegel looks at the moment, in the history of the universe, when dark energy became the dominant factors in the universe's evolution.

  • Towleroad remembers Roy Cohn, the lawyer who was the collaborator of Trump up to the moment of Cohn's death from AIDS.

  • Understanding Society's Daniel Little takes a look at Marx's theories of how governments worked.

  • Window on Eurasia looks at the existential pressures facing many minority languages in Russia.

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  • Have fossils of the movements of ancient animals 2.1 billion years ago been found? CBC reports.

  • Increasing levels of atmospheric carbon dioxide, it turns out, will not accelerate tree growth. CBC reports.

  • Motherboard reports that vast "mountains" may exist, hidden deep inside the molten interior of the Earth.

  • Universe Today reports on Hubble observations of the atmospheres of outer-system ice giants Uranus and Neptune.

  • Universe Today reports on the startling assertion of Elon Musk that, in the foreseeable future, a round-trip ticket to Mars might cost only $US 100 thousand.

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  • The Crux notes the discovery of a second impact crater in Greenland, hidden under the ice.

  • D-Brief notes new evidence that ancient Celts did, in fact, decapitate their enemies and preserve their heads.

  • Far Outliers notes how Pakhtun soldier Ayub Khan, in 1914-1915, engaged in some cunning espionage for the British Empire on the Western Front.

  • Kashmir Hill at Gizmodo notes how cutting out the big five tech giants for one week--Amazon, Apple, Facebook, Google and Microsoft--made it almost impossible for her to carry on her life.

  • Hornet Stories notes that, unsurprisingly, LGBTQ couples are much more likely to have met online that their heterosexual counterparts.

  • At In Media Res, Russell Arben Fox imagines Elizabeth Warren giving a speech that touches sensitively and intelligently on her former beliefs in her Cherokee ancestry.

  • Mónica Belevan at the Island Review writes, directly and allegorically, about the Galapagos Islands and her family and Darwin.

  • JSTOR Daily looks at the economics of the romance novel.

  • Language Hat notes the Mandombe script creating by the Kimbanguist movement in Congo.

  • Harry Stopes at the LRB Blog notes the problem with Greater Manchester Police making homeless people a subject of concern.

  • Ferguson activists, the NYR Daily notes, are being worn down by their protests.

  • Roads and Kingdoms lists some things visitors to the Uzbekistan capital of Tashkent should keep in mind.

  • Starts With A Bang's Ethan Siegel makes a case for supersymmetry being a failed prediction.

  • Towleroad notes the near-complete exclusion of LGBTQ subjects and themes from schools ordered by Brazil's president Jair Bolsonaro.

  • Window on Eurasia notes a somewhat alarmist take on Central Asian immigrant neighbourhoods in Moscow.

  • Arnold Zwicky takes a look at the Kurds, their history, and his complicated sympathy for their concerns.

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  • Bad Astronomer Phil Plait shares a lovely photo of the Earth peeking out from behind the far side of the Moon.

  • At the Broadside Blog, Caitlin Kelly shares lovely photos of delicate ice and water taken on a winter's walk.

  • Centauri Dreams looks</> at the study by Chinese astronomers who, looking at the distribution of Cepheids, figured out that our galaxy's disk is an S-shaped warp.

  • D-Brief notes new evidence that melting of the Greenland ice sheet will disrupt the Gulf Stream.

  • L.M. Sacasas at The Frailest Thing takes issue with the uncritical idealization of the present, as opposed to the critical examination of whatever time period we are engaging with.

  • Gizmodo notes that an intensive series of brain scans is coming closer to highlighting the areas of the human brain responsible for consciousness.

  • Mark Graham links to new work of his, done in collaboration, looking at ways to make the sharing economy work more fairly in low- and middle-income countries.

  • JSTOR Daily notes how the mystic Catholicism of the African kingdom of Kongo may have gone on to inspire slave-led revolutions in 18th century North America and Haiti.

  • Lawyers, Guns and Money looks at an exhibition examining the ambitious architecture of Yugoslavia.

  • The Map Room Blog links to a cartographer's argument about the continuing importance of paper maps.

  • Marginal Revolution shares one commenter's perception of causes or the real estate boom in New Zealand.

  • Neuroskeptic considers the role of the mysterious silent neurons in the human brain.

  • At NYR Daily, Guadeloupe writer Maryse Condé talks about her career as a writer and the challenges of identity for her native island.

  • Roads and Kingdoms shares a list of ten dishes reflecting the history of the city of Lisbon.

  • Starts With A Bang's Ethan Siegel takes a look at the promise of likely mini-Neptune Barnard's Star b as a target for observation, perhaps even life.

  • Window on Eurasia shares the perfectly plausible argument that, just as the shift of the Irish to the English language did not end Irish identity and nationalism, so might a shift to Russian among Tatars not end Tatar identity.

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  • Are the radio jets of Sagittarius A* at the heart of our galaxy pointed directly at Earth? D-Brief reports reports.

  • Astronomers might finally have established a firm connection between supernovas and gamma-ray bursts. D-Brief reports reports.

  • The length of a day on Saturn has finally been established, at just over 10 hours and 33 minutes. D-Brief reports reports.

  • The supposed signature of Planet Nine might be a creation not of a ninth planet but rather by a thick distant belt of objects. D-Brief reports reports.

  • Did the collision of protoplanet Theia with the young Earth seen the subsequent world with the materials needed for life? D-Brief reports reports.

  • The very idea of an encyclopedia of galactic starlight is profoundly poetic, to say nothing of its scientific uses. D-Brief reports reports.

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  • Motherboard looks at how some ecological activists are cloning the stumps of dead redwoods to produce new trees.

  • Rheas imported to the north German plains from South America are thriving, possibly even becoming indigenous. Well done! Deutsche Welle reports.

  • Motherboard reports on the unique oceanic ecologies found in the upside-down lakes of the Pescadero Basin.

  • The sheer mass of the deep biosphere underneath the Earth is immense, greater than that of humanity. Universe Today reports.

  • The Conversation notes how we can use archeology to understand the impact of climate change.

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  • The National Observer takes a look at the challenges, both technological and psychological, facing geoengineers as they and us approach our their hour of trial.

  • Evan Gough at Universe Today shares a proposal for a nuclear-fueled robot probe that could tunnel into the possibly life-supporting subsurface oceans of Europa.

  • Meghan Bartels at Scientific American notes a new study suggesting that most worlds with subsurface oceans, like Europa, are probably too geologically inactive to support life.

  • Matt Williams at Universe Today notes a new study demonstrating mechanisms by which exoplanets could develop oxygen-bearing atmospheres without life.

  • Gaurav Khanna writes at The Conversation about how, drawing on research done for the film Interstellar, it does indeed seem as if supermassive black holes like Sagittarius A* might be used as hyperspace portals if they are also slowly rotating.
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  • Bad Astronomer Phil Plait explains the astounding brilliance of distant quasar J043947.08+163415.7, as bright as ten trillion suns.

  • The Broadside Blog's Caitlin Kelly considers elements of her personal style. (It makes me wonder about revising my own, to be perhaps more flamboyant.)

  • John Quiggin at Crooked Timber links to a Guardian article of his, imagining a democratic socialist Australia in 2050.

  • The Dragon's Tales links to Project Lyra, a proposal for a rendezvous mission to 'Oumuamua.

  • Far Outliers places the Three Gorges Dam construction, and the mass population displacements involved, in the context of a long Chinese history of like relocations.

  • Gizmodo examines a paper suggesting, based in part on lunar impact rates, an increase in the numbers of asteroids colliding with Earth in the era 300 million years ago.

  • JSTOR Daily looks at the watchers, the now-forgotten profession of women who would attend to the dying.

  • The NYR Daily looks at the problems that women encounter in getting their medical concerns taken seriously.

  • Towleroad writes about sex advisor Alexander Cheves.

  • Window on Eurasia notes a report that the inhabitants of the Belarus village of Oslyanka, transferred from Russia in 1964, have no wish to be transferred back.

  • Arnold Zwicky notes the publication of a study of the English auxiliary system begun by his late colleague Ivan Sag.

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