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Articles les plus récents

How Hunting Made Us Human

mardi 18 mars 2014 — Features, Biology, Evolution, Archaeology & Paleontology, Evolutionary Biology

For decades anthropologists have debated when and how our ancestors became skilled hunters. Recent discoveries have yielded surprising new insights -- Read more on ScientificAmerican.com

Scientific American

Crossbows Buried with the Chinese Terra-Cotta Warriors Were Likely Never Used

lundi 17 mars 2014 — Evolution, Archaeology & Paleontology

The bronze triggers of the disintegrated wooden bows were probably molded and made in small batches rather than by assembly line -- Read more on ScientificAmerican.com

Scientific American

Ancient "Ritual Wand" Etched with Human Faces Discovered in Syria

lundi 17 mars 2014 — Evolution, Archaeology & Paleontology

Discovered near a graveyard, the wand was likely used in funereal rituals -- Read more on ScientificAmerican.com

Scientific American

Bionic Plants Offer Superpowered Photosynthesis

dimanche 16 mars 2014 — More Science, Biology, Chemistry, Energy & Sustainability, Alternative Energy Technology, Environment, Ecology, Evolution, Technology

Rebuilding plants into bionic superpowered energy photosynthesizers—we have the nanotechnology -- Read more on ScientificAmerican.com

Scientific American

Master of Long-Distance Aviation Loses Ground

samedi 15 mars 2014 — Biology, Energy & Sustainability, Climate, Ecology, Evolution, Evolutionary Biology

The first bird being considered for endangered species protections due to climate change migrates 30,000 kilometers a year -- Read more on ScientificAmerican.com

Scientific American

Why Reindeer Steer Clear of Power Lines

vendredi 14 mars 2014 — Biology, Everyday Science, Ecology, Evolution, Evolutionary Biology

Zaps of UV light may explain why some animals avoid the cables -- Read more on ScientificAmerican.com

Scientific American

How Atheism Helped Create the Modern World [Excerpt]

vendredi 14 mars 2014 — More Science, Everyday Science, History of Science, Society & Policy, Evolution, Thought & Cognition

Science has long advanced in part due to its rejection of religion as it uncovered information inconvenient for believers and their institutions -- Read more on ScientificAmerican.com

Scientific American

Tea and Consequences: Unsustainable Cultivation Puts Honeybush Tea at Risk

vendredi 14 mars 2014 — More Science, Biology, Society & Policy, Energy & Sustainability, Environment, Ecology, Evolution

The Web sites selling sweet-smelling honeybush tea proudly proclaim its supposed health benefits, which range from lowering cholesterol and improving respiration to controlling the symptoms of... -- Read more on ScientificAmerican.com

Scientific American

How Climate Change Spurred a 10,000-Year Ice Age Journey

jeudi 13 mars 2014 — History of Science, Society & Policy, Energy & Sustainability, Climate, Environment, Ecology, Evolution, Archaeology & Paleontology

Ice sheets trapped ancient Americans in refuges on land now under the Bering Strait -- Read more on ScientificAmerican.com

Scientific American