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Climate

Cold War–era spy satellite images show Himalayan glaciers are melting fast

Declassified spy satellite photographs reveal that glacier melt in the Himalayas has sped up dramatically in the last two decades.

Life

This body-on-a-chip mimics how organs and cancer cells react to drugs

The multiorgan system could help test new and existing drugs for effectiveness and unwanted side effects.

Chemistry

How seafood shells could help solve the plastic waste problem

Chitin and chitosan from crustacean shells could put a dent in the world’s plastic waste problem.

Physics

A computer model explains how to make perfectly smooth crepes

Here’s how to prepare thin pancakes that are perfectly smooth, according to science.