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Should you drink coffee before or after a learning task?

As tempting as those beans look, it might be better to grind them after you have attended that challenging technical presentation (Image: Liveinsport) Popular wisdom holds that caffeine enhances... -- Read more on ScientificAmerican.com

Speedy Octopus Sets Record for Jar Opening

lundi 13 janvier 2014 — Evolution,Mind & Brain,More Science
Another jar opening octopus; image courtesy of Flickr/David Davies It isn’t every day in the ocean that an octopus comes across a jar to open–especially one that contains a tasty live... -- Read more on ScientificAmerican.com

Finally! A Science-Themed Miley Cyrus Parody...

Those of you familiar with my blog here at SciAm will know that I’m a little obsessed with science-themed music videos. When I saw the ‘Wrecking Ball’ masterpiece of Ms. Miley I... -- Read more on ScientificAmerican.com

Finally! A Science-Themed Miley Cyrus Parody. My Life is Complete.

lundi 13 janvier 2014 — Evolution
Those of you familiar with my blog here at SciAm will know that I’m a little obsessed with science-themed music videos. When I saw the ‘Wrecking Ball’ masterpiece of Ms. Miley I... -- Read more on ScientificAmerican.com

Vaclav Smil: "The great hope for a quick and sweeping transition to renewable energy is wishful thinking"

Vaclav Smil (Image: Wikipedia Commons) That’s Vaclav Smil, the prolific University of Manitoba thinker writing in this month’s issue of Scientific American . When Smil says something... -- Read more on ScientificAmerican.com

Shark Species Thought to Be Extinct Found in Fish Market [Slide Show]

After more than a century, the smoothtooth blacktip shark has been rediscovered -- Read more on ScientificAmerican.com

Shark Species Thought to Be Extinct Found in Fish Market [Slide Show]

After his 1902 trip to Yemen, scholar and naturalist Wilhelm Hein returned with a variety of plants and animals, which he donated to the Vienna Museum. One of these specimens, a shark, sat unnoticed... -- Read more on ScientificAmerican.com

Shark Species Thought to Be Extinct Found in Fish Market [Slide Show]

After more than a century, the smoothtooth blacktip shark has been rediscovered -- Read more on ScientificAmerican.com

Love Wine and Tea? Scientists Discover Plant Part Whence Their Pucker Springs

dimanche 12 janvier 2014 — Evolution
Teas made from variously fermented leaves. Left to right: Green, yellow, oolong, and black. Public Domain, via Wikimedia Commons. Click for source. When you take a sip of red wine or black tea,... -- Read more on ScientificAmerican.com

Téléportez vos bras pour manipuler des objets à distance

dimanche 12 janvier 2014 par Pierre Barthélémy — Technologie, Informatique, Interfaces graphiques, Internet, MIT, Tablette, Vidéo
Ceci ne sera pas un billet comme ceux que vous avez l'habitude de lire sur ce blog, tout simplement parce que je n'y présenterai pas une avancée scientifique mais une invention. Ma motivation, en revanche, est la même que d'habitude … Continuer la lecture (...)

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