Razib Khan

Gene Expression

Charles Darwin & Germany

Birds-of-paradise

Learn why scientists say it’s a rare case of animals exploiting their glow for visual signaling.

Birds-of-Paradise Use Biofluorescence to Attract Mates

(Image Credit: Paul Schenk Photography/Shutterstock) 

Mount Spurr Alaska

Learn more about the likelihood of an explosive Mount Spurr eruption, which would spew clouds of ash into the air above southcentral Alaska. 

Activity at Alaska’s Mount Spurr Suggests That The Volcano Is About To Erupt

A Fijian crested iguana (Brachylophus vitiensis) resting on a coconut palm on the island of Fiji in the South Pacific. The four species of iguanas that inhabit Fiji and Tonga today are descended from ancestors that colonized the island within the past 34 million years, probably by rafting 5,000 miles across the Pacific Ocean from western North America. (Image Credit: Nicholas Hess)

The Fiji iguana Brachylophus vitiensis

Learn more about Fiji’s iguana species and how they likely used natural rafts to float to Fiji some 34 million years ago. 

Iguanas Floated 5,000 Miles to Colonize Fiji Millions of Years Ago

Charles Darwin & Germany

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