Complexity not so costly after all, analysis shows

The more complex a plant or animal, the more difficulty it should have adapting to changes in the environment. That's been a maxim of evolutionary theory since biologist Ronald Fisher put forth the idea in 1930.

Newly identified protein helps flowers develop properly

Flowers rely on a newly identified protein to develop properly with all of their organs, according to the research team who made the discovery. The team, led by Penn State biologists, identified the protein in the model plant ...

Scientists claim to have solved the damselfly color mystery

For more than 20 years, a research team at Lund University in Sweden has studied the common bluetail damselfly. Females occur in three different color forms—one with a male-like appearance, something that protects them ...

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