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Rare Iguana is Endangered Because People Like to Eat Egg-Carrying Females

vendredi 5 décembre 2014 — More Science, Energy & Sustainability, Environment, Evolution
It’s a simple equation, really: If a species can’t reproduce, it will go extinct. A critically endangered species in Honduras faces that risk in a notable way. -- Read more on ScientificAmerican.com

New Twist in Life’s Start Could Aid Efforts to Make It from Scratch

vendredi 5 décembre 2014 — More Science, Biology, Chemistry, Evolution
All life on Earth is made of molecules that twist in the same direction. New research reveals that this may not always have been so -- Read more on ScientificAmerican.com

Endangered Cuban Crocodiles Are Losing Their Genetic Identity

mercredi 3 décembre 2014 — Biology, Evolution, Evolutionary Biology
Interbreeding with other species could overwhelm the animal, causing it to go extinct -- Read more on ScientificAmerican.com

World's Oldest Engraving Upends Theory of Homo sapiens Uniqueness

It is getting harder and harder to figure out what distinguished Homo sapiens from other members of the human family and fueled our extraordinary success as a species. -- Read more on ScientificAmerican.com

The Giant Transparent Ribbons of Eel Larvae

mercredi 3 décembre 2014 — More Science, Biology, Evolution, Evolutionary Biology
Author's note: This is the latest post in the Wonderful Things series. You can read more about this series here. It is startling how different the larvae of fish can be from the adults that produced... -- Read more on ScientificAmerican.com

Origins of Human Alcohol Consumption Revealed

mardi 2 décembre 2014 — Evolution, Evolutionary Biology
A single genetic mutation 10 million years ago endowed human ancestors with an enhanced ability to break down ethanol, likely as they shifted to a terrestrial lifestyle -- Read more on ScientificAmerican.com

Origins of Human Alcohol Consumption Revealed

mardi 2 décembre 2014 — Evolution, Evolutionary Biology
A single genetic mutation 10 million years ago endowed human ancestors with an enhanced ability to break down ethanol, likely as they shifted to a terrestrial lifestyle -- Read more on ScientificAmerican.com

Calif. Drought Could Wipe Out Southernmost Coho Salmon Group

mardi 2 décembre 2014 — Energy & Sustainability, Climate, Environment, Evolution
THE three-year drought threatens to wipe out the last of the Muir Woods coho salmon that make their way each year from the Pacific to spawn in a freshwater creek running through the redwoods near San... -- Read more on ScientificAmerican.com

Calif. Drought Could Wipe Out Southernmost Coho Salmon Group

mardi 2 décembre 2014 — Energy & Sustainability, Climate, Environment, Evolution
THE three-year drought threatens to wipe out the last of the Muir Woods coho salmon that make their way each year from the Pacific to spawn in a freshwater creek running through the redwoods near San... -- Read more on ScientificAmerican.com

American Eel Is in Danger of Extinction

The IUCN put the American eel on its Red List as Maine fishermen saw a deep cut in their fishing quota for the species -- Read more on ScientificAmerican.com

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