Icefishes circulate oxygen without the red protein every other known vertebrate uses.

More than a million sealed seed samples wait inside an Arctic mountain as backup copies for the genebanks that own them.

Two railway cars climb and descend a Devon cliff by trading water weight, with gravity doing the actual pulling.

A robot can inspect a closed object the way a person checks an attic box: lift it, give it a careful shake, and feel what the motion reveals.

To change how one of Earth's most powerful observatories sees, two yellow machines pick up its hundred-ton antennas and drive.

Before a beetle carries pollen from one cycad to another, the plants send a timed signal in heat.

A muddy current can cross a threshold where scraping up more sediment makes it heavier, faster, and better at scraping up still more.

In the French Pyrenees, sixty-three moving mirrors hand the sun to one enormous curved reflector.

After the visitors leave a Baroque library in Portugal, two bat colonies emerge among sixty thousand old books.

Arctic winter changes more than the light around a reindeer; it changes the reflective tissue inside the animal's eyes.