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Hummingbird Evolution Is Booming

Hummingbirds took just 22 million years to diversify from a single common ancestor into 338 tiny, colorful species. And they have not finished yet. Evolutionary biologist Jim McGuire of the…

Pesticides Make the Life of Earthworms Miserable

Pesticides have a direct impact on the physiology and behavior of earthworms, a Danish/French research team reports after having studied earthworms that were exposed to pesticides over generations. “We see…

Computer Accurately Detects Pain

Pretend to hurt to get out of work or school? Researchers led by a UC San Diego scientist have found a way to give you a real pain. The researchers have…