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The only two equations that you should know: Part 1

jeudi 21 novembre 2013 — Energy & Sustainability,Mind & Brain,Space,More Science,Evolution,Health,Technology

The exponential relationship between equilibrium constant and free energy, the basis of chemistry and life. “Chemistry”, declared Roger Kornberg in an interview, “is the queen... -- Read more on ScientificAmerican.com

Scientific American

Americas' Natives Have European Roots

jeudi 21 novembre 2013 — Evolution,Health,Society & Policy,More Science,Biotechnology,Evolution,Evolutionary Biology,Biotechnology,Archaeology & Paleontology

The 24,000-year-old remains of a young boy from the Siberian village of Mal’ta have added a new root to the family tree of indigenous Americans. While some of the New World's native... -- Read more on ScientificAmerican.com

Scientific American

Man's Best Friend or Oversized Rat?

mercredi 20 novembre 2013 — Evolution,Mind & Brain

Here’s something curious. The phrase “man’s best friend” didn’t appear in print, according to Google’s n-grams , until after the year 1750. Here’s something... -- Read more on ScientificAmerican.com

Scientific American

Fenced-In Lions Divide Wildlife Conservationists

mercredi 20 novembre 2013 — Evolution,Society & Policy,Evolution,Biology,More Science

Times are grim for the king of the beasts. Roughly 35,000 African lions roam the savannahs, down from more than 100,000 half a century ago, thanks to habitat loss, declining numbers of prey animals... -- Read more on ScientificAmerican.com

Scientific American

Winning two Nobel Prizes, turning down knighthoods: The legacy of Fred Sanger (1918-2013)

mercredi 20 novembre 2013 — Evolution,Mind & Brain,More Science,Health,Technology

Fred Sanger (1918-2013) (Image: The Telegraph) British biochemist Fred Sanger died today at 95. He’s the only person to win two Nobel Prizes in chemistry, an achievement that is... -- Read more on ScientificAmerican.com

Scientific American

How Your Morning Commute Resembles a Fungus

mercredi 20 novembre 2013 — Evolution

In many fungi, the DNA storage compartments called nuclei are not prisoners of the cells they reside in, the way they are in animals and plants. Instead, fungal nuclei are free to move about the... -- Read more on ScientificAmerican.com

Scientific American

HHMI, with Sean B. Carroll, Premieres New Films for Teachers

mercredi 20 novembre 2013 — Evolution

“ Film is a powerful way to tell stories. … The right story, told well, can be engaging, informative, and memorable.” –Sean B. Carroll The Howard Hughes Medical Institute... -- Read more on ScientificAmerican.com

Scientific American

How Traffic Jams Decentralize Cities

mercredi 20 novembre 2013 — More Science,Everyday Science,Evolution,Society & Policy,More Science

Most of the cities that exist today originally grew from an important marketplace or town square. Over time, they developed multiple centers where people could go to work, shop and play--in fact, no... -- Read more on ScientificAmerican.com

Scientific American

Flight of the Microraptor

mardi 19 novembre 2013 — Evolution

Microraptor gliding in pursuit of a prey item. There are good reasons for thinking that Microraptor really did behave this way, and that it had black, iridescent plumage. Image by Emily Willoughby,... -- Read more on ScientificAmerican.com

Scientific American

Conservation's Holy Grail: "Asian Unicorn" Sighted in Vietnam

lundi 18 novembre 2013 — Energy & Sustainability,More Science,Evolution

One of the rarest creatures in Asia has been spotted in the wild for the first time in nearly 15 years. A camera trap in Vietnam has captured three fleeting images of a single saola ( Pseudoryx... -- Read more on ScientificAmerican.com

Scientific American