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image: On the Origin of Birds

On the Origin of Birds

By Cristina Luiggi | July 27, 2011

The discovery of a new bird-like fossil challenges longstanding theories about which species of dinosaur gave rise to the avian lineage.

24 Comments

image: Electric Dolphins?

Electric Dolphins?

By Jef Akst | July 27, 2011

Like many fish and amphibians, the Guiana dolphin can sense low levels of electrical activity in the water—an ability not previously reported in true mammals.

0 Comments

image: Latitude Affects Human Eye Size

Latitude Affects Human Eye Size

By Jef Akst | July 27, 2011

People living near the Earth’s poles, where days are often short and light often low, have larger eyes and visual cortices than those closer to the equator.

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image: Chimp Brains Don’t Shrink with Age

Chimp Brains Don’t Shrink with Age

By Tia Ghose | July 25, 2011

Unlike human brains, chimpanzee brains don’t get smaller as they age, suggesting that pronounced neurological decline is a uniquely human byproduct of our oversized brains and extreme longevity.

33 Comments

image: Behavior Brief

Behavior Brief

By Megan Scudellari | July 25, 2011

A round-up of recent discoveries in behavior research

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image: Neanderthal DNA in Modern Humans

Neanderthal DNA in Modern Humans

By Jef Akst | July 19, 2011

Non-African people carry remnants of the Neanderthal X chromosome, suggesting interbreeding with early human ancestors.

51 Comments

image: WHO Says No to TB Blood Tests

WHO Says No to TB Blood Tests

By Cristina Luiggi | July 19, 2011

For the first time, WHO warns against the use of a diagnostic method.

3 Comments

image: Behavior Brief

Behavior Brief

By Megan Scudellari | July 13, 2011

A round-up of recent discoveries in behavior research

3 Comments

image: Contact Allergies May Help Stymie Cancer

Contact Allergies May Help Stymie Cancer

By Edyta Zielinska | July 12, 2011

New data suggests that skin rashes are associated with lower risk of developing certain cancers.

3 Comments

image: Putting Vaccines to the Test

Putting Vaccines to the Test

By Tia Ghose | July 10, 2011

Gene expression analysis allows researchers to predict which patients will respond to flu vaccines and possibly expedite vaccine development.

0 Comments

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