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An examination of 17 ancient skulls shows that some Neanderthal features arose as far back as 430,000 years ago.

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image: Ancient Fish Analyzed

Ancient Fish Analyzed

By Rina Shaikh-Lesko | June 13, 2014

Two paleontological findings yield insights into early vertebrate evolution.

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image: Snake Imitators Persist

Snake Imitators Persist

By Rina Shaikh-Lesko | June 12, 2014

A harmless snake in the Carolina Sandhills has been mimicking a poisonous species for decades, and has become a better imitator since the latter went extinct.

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image: Faces for Fighting?

Faces for Fighting?

By Jef Akst | June 10, 2014

Scientists propose that hominin facial bones evolved for protection against the powerful blows of combat.

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image: Autism-Hormone Link Found

Autism-Hormone Link Found

By Bob Grant | June 4, 2014

A study documents boys with autism who were exposed to elevated levels of testosterone, cortisol, and other hormones in utero.

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image: Leptin’s Effects

Leptin’s Effects

By Kerry Grens | June 2, 2014

The hormone leptin, which signals fullness to animals, acts not only through neurons but through glia, too.

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image: Book Excerpt from <em>The Drunken Monkey</em>

Book Excerpt from The Drunken Monkey

By Robert Dudley | June 1, 2014

In Chapter 3, "On the Inebriation of Elephants," author Robert Dudley considers whether tales of tipsy pachyderms and bombed baboons have any basis in scientific truth.

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image: Drunks and Monkeys

Drunks and Monkeys

By Robert Dudley | June 1, 2014

Understanding our primate ancestors’ relationship with alcohol can inform its use by modern humans.  

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image: For Some Male Crickets, Silence Means Survival

For Some Male Crickets, Silence Means Survival

By Sandhya Sekar | May 29, 2014

Two island populations of male crickets independently evolved to evade parasites by keeping quiet, and have come up with a way to sneak matings with females that still seek the male courtship song.

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image: Top 10 New Species

Top 10 New Species

By Jef Akst | May 23, 2014

The International Institute for Species Exploration announces its picks of novel species discovered in the past year, including a carnivorous mammal, a tiny shrimp, and a fungus.

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