Neanderthals walked upright just like the humans of today

Neanderthals are often depicted as having straight spines and poor posture. However, these prehistoric humans were more similar to us than many assume. University of Zurich researchers have shown that Neanderthals walked ...

Why do guppies jump? The answer is evolutionary (w/ video)

(Phys.org) —If you've owned a pet guppy, you know they often jump out of their tanks. Many a child has asked why the guppy jumped; many a parent has been stumped for an answer. Now a study by University of Maryland biologist ...

Fish become bolder and more gluttonous from drug residue

Anxiety-moderating drugs that reach waterways via wastewater create fearless and asocial fish that eat more quickly than normal. These behavioral changes can have serious ecological consequences. This is shown by Umeå University ...

An sRNA controls a bacterium's social life

For the first time, biologists have directly shown how spontaneous mutation of a small RNA (sRNA) regulatory molecule can provide an evolutionary advantage. Reporting in this week's Science, Indiana University Bloomington ...

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