News tagged with evolution

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'Be different or die' does not drive evolution

A new study has found that species living together are not forced to evolve differently to avoid competing with each other, challenging a theory that has held since Darwin's Origin of Species.

Dec 22, 2013
4.4 / 5 (15) 2 | with audio podcast

Environment drives genetics in 'Evolution Canyon'

Interplay between genes and the environment has been pondered at least since the phrase "nature versus nurture" was coined in the mid-1800s. But until the arrival of modern genomic sequencing tools, it was hard to measure ...

Dec 12, 2013
5 / 5 (1) 1 | with audio podcast

Avoiding poisons: A matter of bitter taste

In most animals, taste has evolved to avoid all things bitter—-a key to survival—- to avoid eating something that could be poisonous via taste receptors, known as Tas2r, that quickly spring into action and elicit the ...

Nov 18, 2013
5 / 5 (1) 0

Galaxy growth examined like rings of a tree

(Phys.org) —Watching a tree grow might be more frustrating than waiting for a pot to boil, but luckily for biologists, there are tree rings. Beginning at a tree trunk's dense core and moving out to the ...

Nov 01, 2013
4.8 / 5 (12) 3 | with audio podcast