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Content Tagged with: evolution

High-speed videos capture how kangaroo rat escapes rattlesnake attack

Bipedalism may have been favored in kangaroo rats to avoid ambush predators like vipers and owls, says UC Riverside biologist
By Iqbal Pittalwala | | Science / Technology

Study finds natural selection favors cheaters

UC Riverside research focused on interaction between nitrogen-fixing bacteria and their hosts
By Iqbal Pittalwala | | Science / Technology

Size matters — To livebearer fish, big fins are a big deal

Females love males with big dorsal fins, but the appendages first evolved for males to fight other males
By Holly Ober | | Science / Technology
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