Primate voice boxes are evolving at rapid pace

Scientists have discovered that the larynx, or voice box, of primates is significantly larger relative to body size, has greater variation, and is under faster rates of evolution than in other mammals.

You say tomato, these scientists say evolutionary mystery

Biologists at the University of Massachusetts Amherst have found evidence for evolutionary "syndromes"—sets of traits that occur together—that help to explain how tomatoes first evolved their distinctive blend of color, ...

Showy male primates have smaller testicles

Male primates equipped with all the bells and whistles to attract a female mate tend to have smaller gonads, according to a study by researchers at The University of Western Australia and University of Zurich.

Loss of ancient grazers triggered a global rise in fires

From 50,000 years to 6,000 years ago, many of the world's largest animals, including such iconic grassland grazers as the woolly mammoth, giant bison, and ancient horses, went extinct. The loss of these grazing species triggered ...

In evolution, 'house of cards' model wins

Using sophisticated modeling of genomic data from diverse species, Yale researchers have answered a longstanding question about which competing model of evolution works best.

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