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image: Electric Dolphins?

Electric Dolphins?

By | 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.

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image: Latitude Affects Human Eye Size

Latitude Affects Human Eye Size

By | 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: Neanderthal DNA in Modern Humans

Neanderthal DNA in Modern Humans

By | July 19, 2011

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

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image: Warm-Blooded Dinos?

Warm-Blooded Dinos?

By | June 24, 2011

Evidence that large dinosaurs had body temperatures similar to modern-day mammals suggests they were either endothermic or extremely good at conserving body heat.

3 Comments

image: Escape Predators, Get Parasites

Escape Predators, Get Parasites

By | June 24, 2011

A particular predator defense used by water fleas makes them more susceptible to parasite infections, new research shows.

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image: Bigger spores = badder infection

Bigger spores = badder infection

By | June 17, 2011

Larger spores of a deadly fungal pathogen cause more virulent infections in mice.

3 Comments

image: Gould's bias

Gould's bias

By | June 16, 2011

A new study finds that Stephen J. Gould's criticisms of another scientist's data was misplaced, and the eminent biologist and historian succumbed to data bias himself.

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image: Our own 60 mutations

Our own 60 mutations

By | June 15, 2011

New estimates of human mutation suggest that each of us harbor approximately 60 novel genetic mutations.

4 Comments

image: Fighting to exist

Fighting to exist

By | June 14, 2011

The more closely related two species are, the more they're apt to drive one another to extinction.

24 Comments

image: How skunks got their stripes

How skunks got their stripes

By | June 7, 2011

The evolution of bold warning coloration in mammals.

3 Comments

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