Life & Evolution

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honeybee stuck in a sticky columbine

A honeybee is stuck to the flower of a Van Houtte’s columbine. New research shows that the sticky plant lures arthropods to it as bait for bigger protectors.

sauropod tracks and cast

Tracks made by sauropods some 170 million years ago crisscross a swath of land in Scotland (left); a sediment cast of one track (right) stretched longer than 35 centimeters (lens cap is 5 centimeters wide).

red howler monkey

DEEP ROARS, SMALL SPERM STORES  In nine species of howler monkey, researchers found an inverse relationship between testes size and size of the hyoid bone, part of the vocal tract.

Life & Evolution

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