A study published in the journal Animal Behavior found that crows can recognize their fellow dead crows and learn to avoid the dangerous circumstances associated with death. The BBC described the study, which involved a "masked individual playing bad cop, arriving on the scene holding up a dead crow." [more inside]
Some Paths to the True Knowledge[*] - "Attention conservation notice: A 5000+ word attempt to provide real ancestors and support for an imaginary ideology I don't actually accept, drawing on fields in which I am in no way an expert. Contains long quotations from even-longer-dead writers, reckless extrapolation from arcane scientific theories, and an unwarranted tone of patiently explaining harsh, basic truths. Altogether, academic in one of the worst senses. Also, spoilers for several of MacLeod's novels, notably but not just The Cassini Division. Written for, and cross-posted to, Crooked Timber's seminar on MacLeod, where I will not be reading the comments."
Frank Wilczek: Physics in 100 Years [pdf] - "Here I indulge in wide-ranging speculations on the shape of physics, and technology closely related to physics, over the next one hundred years. Themes include the many faces of unification, the re-imagining of quantum theory, and new forms of engineering on small, intermediate, and large scales." [more inside]
Editor quits journal over pay-for-expedited peer-review offer "With a tweet yesterday, an editor of Scientific Reports, one of Nature Publishing Group’s open-access journals, has resigned in a very public protest of NPG’s recent decision to allow authors to pay money to expedite peer review of their submitted papers. "
Wild Ones Live is an arresting reading accompanied by music, a collaboration performed as part of a live magazine by author Jon Mooallem, a science and nature writer whose book Wild Ones ruminates on the strange, ignorant, hopeful and poignant ways humans imagine other animals, and the musical project Black Prairie. Listen at your desk if you must, but if you can, pop in your earbuds and go outside for a long walk while you take it all in. [more inside]
Locked-In Man - "Martin Pistorius spent more than a decade unable to move or communicate, fearing he would be alone, trapped, forever. NPR's new show Invisibilia tells how his mind helped him create a new life."
The AMNH team preserving Lonesome George for display. As the last known Pinta Island tortoise, Lonesome George became a worldwide icon of conservation decades before he died from natural causes in the Galápagos in 2012. When Lonesome George arrived at the American Museum of Natural History in early 2013 to be preserved as a taxidermic specimen, Museum scientists and a master taxidermist faced a number of crucial decisions as they worked to prepare a mount that was both scientifically accurate and beautiful. [more inside]
"It was always assumed that V-formation flight was learned from the adult birds. But these guys are all the same age and they learned to fly from a human in a microlight. They learned V-formation flying from each other. National Geographic reports on some of the fascinating intricacies of the V formation observed in migrating birds.
Koryos, who previously explained how cats got domesticated using tumblr, now explains why homosexual pair-bonding can be a successful reproductive stratagem. Also, Coot Parenting Tips, Queen Cowbird Of The Brood Parasites , There's No Such Thing As An Alpha Wolf, and Can Animals Have Pets?
Norbert Wiener: The Eccentric Genius Whose Time May Have Finally Come (Again) - "The most direct reason for Wiener's fall to relative obscurity was the breakthrough of a young mathematician and engineer named Claude Shannon." [more inside]
The American Museum of Natural History will unlock thousands of old photos from their vault, they announced this week. The new online image database (officially launching on Monday the 28th) will take you behind the curtain, delivering images that span the 145-year history of the Museum. The collection features over 7,000 images—many never before seen by the public—and includes photos, rare book illustrations, drawings, notes, letters, art, and Museum memorabilia. They say "it’s like stepping into a time machine and seeing a long ago NYC or just catching glimpses of ghosts from a forgotten world now seen only by researchers and Museum staff." Previously. [more inside]
UN Climate Report: We Must Focus On 'Decarbonization', and It Won't Wreck the Economy - "The basic message is simple: We share a planet. Let's start acting like it." [more inside]
Such as Ulva lobata from Josie Iselin's new book An Ocean Garden: The Secret Life of Seaweed.
Feather boa kelp - Egregia menziesii
Sea grapes - Botryocladia pseudodichotoma [more inside]
Feather boa kelp - Egregia menziesii
Sea grapes - Botryocladia pseudodichotoma [more inside]
Network Theory Overview - "The idea: nature and the world of human technology are full of networks! People like to draw diagrams of networks. Mathematical physicists know that in principle these diagrams can be understood using category theory. But why should physicists have all the fun? This is the century of understanding living systems and adapting to life on a finite planet. Math isn't the main thing we need, but it's got to be part of the solution... so one thing we should do is develop a unified and powerful theory of networks." (via ;)
Open warfare erupts in the world of mathematical biology, as Lior Pachter of UC-Berkeley writes three blog posts attacking two papers in Nature Bioscience, accusing one of them of being "dishonest and fraudulent": The Network Nonsense of Albert-Laszlo Barabasi, The Network Nonsense of Manolo Kellis, and Why I Read the Network Nonsense Papers. Kellis (MIT) and his co-authors respond (.pdf.)
Closing in on the twin prime conjecture (Quanta) - "Just months after Zhang announced his result, Maynard has presented an independent proof that pushes the gap down to 600. A new Polymath project is in the planning stages, to try to combine the collaboration's techniques with Maynard's approach to push this bound even lower." [more inside]
CreatureCast - Rhizocephala - a charmingly animated look at the lifecycle of rhizocephalan barnacles, one of the more horrifying (non-charming) parasitic crustaceans (likewise). NOT a practitioner of parasitic castration but still disturbing: The bobbit worm. Happy swimming!
"This is a story, a picture story, of two very lucky people before whom was spread out the greatest of treasures, the planet Earth. We traveled aboard a magic carpet, the one with the yellow borders, National Geographic magazine. During four decades we wandered over all the continents and left wakes across the seven seas." [more inside]
Cheetahs’ Secret Weapon: A Tight Turning Radius [New York Times]
"Anyone who has watched a cheetah run down an antelope knows that these cats are impressively fast. But it turns out that speed is not the secret to their prodigious hunting skills: a novel study of how cheetahs chase prey in the wild shows that it is their agility — their skill at leaping sideways, changing directions abruptly and slowing down quickly — that gives those antelope such bad odds."
Is Psychometric g a Myth? - "As an online discussion about IQ or general intelligence grows longer, the probability of someone linking to statistician Cosma Shalizi's essay g, a Statistical Myth approaches 1. Usually the link is accompanied by an assertion to the effect that Shalizi offers a definitive refutation of the concept of general mental ability, or psychometric g." [more inside]
The concept of nothing is as old as zero itself. How do we grapple with the concept of nothing? From the best laboratory vacuums on Earth to the vacuum of space to what lies beyond, the idea of nothing continues to intrigue professionals and the public alike. Join moderator and Hayden Planetarium Director Neil deGrasse Tyson as he leads a spirited discussion with a group of physicists, philosophers and journalists about the existence of nothing. The event, which was streamed live to the web, took place at the American Museum of Natural History on March 20, 2013. [more inside]
Charley Harper's "minimal realism" contributions to science and art are being celebrated by the graphic design blog Codex 99. Part 1 - Charley and Edie. Part 2 - The Birds. Part 3 - Tin Lizzie and Dinner for Two. Part 4 - The Golden Book of Biology. Part 5 - Bambi and Childcraft. Part 6 - The Animal Kingdom.
The Nature of Computation - Intellects Vast and Warm and Sympathetic: "I hand you a network or graph, and ask whether there is a path through the network that crosses each edge exactly once, returning to its starting point. (That is, I ask whether there is a 'Eulerian' cycle.) Then I hand you another network, and ask whether there is a path which visits each node exactly once. (That is, I ask whether there is a 'Hamiltonian' cycle.) How hard is it to answer me?" (via) [more inside]
Nature constantly engineers new and creative solutions to all sorts of problems—turning our stereotypes about sex upside-down along the way.
There are fewer microbes out there than you think. New estimate reduces the number of microbes on Earth by around half. [more inside]
First Evidence Found for Photosynthesis in Insects: [nature.com] "The biology of aphids is bizarre: they can be born pregnant and males sometimes lack mouths, causing them to die not long after mating. In an addition to their list of anomalies, work published this week indicates that they may also capture sunlight and use the energy for metabolic purposes."
North Americans may have noticed that U-Haul trucks and trailers are emblazoned with colorful SuperGraphics. First created in 1988 (previously), the mobile gallery now comprises 206 images. Most U.S states and Canadian territories and provinces are now honored by multiple designs, as are the U.S. armed forces and 9/11. The classic America and Canada's Moving Adventure series, seen on trucks and trailers, features an iconic image for each state, province and territory. The Venture Across America and Canada series, begun in 1997, presents "carefully researched rare findings, little-known facts and mysteries," exploring science and nature, technology and history. At the U-Haul website, the "Learn More" link on each Venture SuperGraphic page leads to a surprisingly exhaustive discussion of the subject of each graphic. [more inside]
Morton and Vicary on the Categorified Heisenberg Algebra - "In quantum mechanics, position times momentum does not equal momentum times position! This sounds weird, but it's connected to a very simple fact. Suppose you have a box with some balls in it, and you have the magical ability to create and annihilate balls. Then there's one more way to create a ball and then annihilate one, than to annihilate one and then create one. Huh? Yes: if there are, say, 3 balls in the box to start with, there are 4 balls you can choose to annihilate after you've created one but only 3 before you create one..." [more inside]
"Adrian Owen still gets animated when he talks about patient 23. The patient was only 24 years old when his life was devastated by a car accident. Alive but unresponsive, he had been languishing in what neurologists refer to as a vegetative state for five years, when Owen, a neuro-scientist then at the University of Cambridge, UK, and his colleagues at the University of Liège in Belgium, put him into a functional magnetic resonance imaging (fMRI) machine and started asking him questions. Incredibly, he provided answers."
Are bias and fraud damaging the existing public trust in scientific and medical research? (previously) [more inside]
"Experimental adaptation of an influenza H5 HA confers respiratory droplet transmission to a reassortant H5 HA/H1N1 virus in ferrets." After an extensive, months-long debate, one of two controversial papers showing ways the H5N1 "avian" influenza virus could potentially become transmissible in mammals with only 3 or 4 mutations was published in Nature today. The journal included an editorial on the merits and drawbacks of "publishing risky research" with regard to biosafety. The debate included an unprecedented recommendation by The US National Science Advisory Board for Biosecurity (NSABB) to block publication -- a decision they later reversed. (Via: 1, 2) Nature's special report has additional articles, including interviews with the teams behind both papers.
How the zebra came by his stripes. "Why zebras evolved their characteristic black-and-white stripes has been the subject of decades of debate among scientists. Now researchers from Hungary and Sweden claim to have solved the mystery."
Nine ways scientists demonstrate they don't understand journalism. Ananyo Bhattacharya, chief online editor of Nature, writes in the Guardian that science journalism will never and should never be what some scientists want it to be. Meanwhile, aggregators like Futurity (previously on MetaFilter) and The Conversation are aiming to let scientists present their findings to the public without mediation through the traditional press. Bhattacharya describes both as "a bit dull." Bhattacharya, previously: "Scientists should not be allowed to copy-check stories about their work."
The U.S. National Science Advisory Board for Biosecurity has asked the journals Nature and Science to publish redacted versions of the studies by two research groups that reportedly created forms of the H5N1 avian flu that could easily jump between ferrets - animals whose response to influenza is similar to humans. [more inside]
In a room near Maida Vale, a journalist for The Nation wrote around 1914, an unfortunate creature is strapped to the table of an unlicensed vivisector. When the subject is pinched with a pair of forceps, it winces. It is so strapped that its electric shudder of pain pulls the long arm of a very delicate lever that actuates a tiny mirror. This casts a beam of light on the frieze at the other end of the room, and thus enormously exaggerates the tremor of the creature. A pinch near the right-hand tube sends the beam 7 or 8 feet to the right, and a stab near the other wire sends it as far to the left. "Thus," the journalist concluded, "can science reveal the feelings of even so stolid a vegetable as the carrot."
What is Bird Poop? What Do Nesting Birds Do With All That Poop? Poop From The Front End. The Poop Wars of 1879. Poop Week has just concluded at 10,000 Birds, with stories, dirty science and beautiful photos at "the intersection of poop and birding, a fertile precinct if there ever was one." [via The Agonist] [more inside]
Leafsnap is a free field guide for iPhone (Android coming soon) that uses the phone's camera and some biometric processing to identify trees by the shape of their leaves. Development was financed by the National Science Foundation (NYT article), and includes research by Columbia University, University of Maryland, and the Smithsonian Institution.
In a recent paper published in Nature Hansen et al. show the efficacy of their unusual vaccine strategy against SIVMAC239 in rhesus macaques. While the goal is not necessarily to produce a human vaccine against HIV using this exact strategy, this paper is now reigniting the debate over the progression of HIV infections and the mechanism(s) by which the virus skirts the human immune system.
Five years ago this week, the BBC started broadcasting one of the most extraordinary documentaries ever to grace television: Planet Earth. The culmination of five years of field work, it employed the most cutting-edge of techniques in order to capture life in all its forms, from sweeping spaceborne vistas to shockingly intimate close-ups -- including many sights rarely glimpsed by human eyes. Visually spectacular, it showcased footage shot in 204 locations in 62 countries, thoroughly documenting every biome from the snowy peaks of the Himalayas to the lifegiving waters of the Okavango Delta, a rich narrative tapestry backed by a stirring orchestral score from the BBC Concert Orchestra. Unfortunately, the series underwent some editorial changes for rebroadcast overseas. But now fans outside the UK can rejoice -- all eleven chapters of this epic story are available on YouTube in their original form: uncut, in glorious 1080p HD, and with the original narration by renowned naturalist Sir David Attenborough. Click inside for the full listing (and kiss the rest of your week goodbye). [more inside]
The Royal Society's lost women scientists. Women published in the Royal Society, 1890-1930. Most influential British women in the history of science. Women at the Royal Observatory Greenwich. Heroines of Science. Women Biochemists, 1906-1939. Women in Science. Previously: The Women of ENIAC.
SEED Magazine: Wealth of Nations: "Shared natural resources underpin the global economy, but our current economic system does not acknowledge their worth. Can a major new effort to assess the costs of biodiversity loss force a paradigm shift in what we value?" [more inside]
Nathalie Miebach translates scientific data related to meteorology and ecology into woven sculptures and musical scores. She discusses her work in an interview with the Peabody Essex Museum. (via Mira y Calla)