Life & Evolution

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fire coral

BEFORE AND AFTER  Healthy coral are full of color, like the fire coral seen on the left. But stressors, including overly warm ocean water, cause symbiotic algae to abandon coral tissues, bleaching them (right).  

Maori Wrasse fish

A Maori wrasse (Cheilinus undulatus) protrudes its jaws forward to help the fish catch a meal. This jaw-stretching strategy has become more dramatic and widespread over the last 100 million years.


The giraffe’s journey to long-necked wonder began more than 20 million years ago, a new study finds.

Life & Evolution

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