Razib Khan

Gene Expression

The fall of Rome

Shark biologists now say a lemon shark, like this one, is a better model of the extinct megalodon's body than the great white shark.
(Image Courtesy of: Albert Kok)

Lemon shark

Comparing the prehistoric predator to today’s great white probably resulted in an underestimation.

The Massive Megalodon May Have Been Even Longer and Sleeker

(Image Credit: Mongkolchon Akesin/Shutterstock)

Antarctica iceberg

Learn how this midge has a unique strategy for surviving what most organisms couldn’t.

How Antarctica’s Only Native Insect Survives the Extreme Cold

Sad fish swimming by microplastics

Learn about the source of airborne microplastics, which were not, for the most part, introduced into the air by the ocean, as previous studies seem to suggest. 

Microplastics Are in Our Air — Turns Out, It Isn’t All the Ocean’s Fault

The fall of Rome

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