This time, the pollutant is mercury, and the sentinels are penguins living in the farthest reaches of the Antarctic Peninsula. “In the 1960s, we were discovering DDT in remote places where it wasn’t ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Spring’s cosmic rewind is over! Mercury, the planet of communication, was retrograde between March 15 and April 7. Retrogrades are an astronomical phenomenon during which planets appear to move ...

A cheap and non-toxic way to selectively separate lithium isotopes – without using huge amounts of mercury – could help supply the future fuel needs of fusion reactors. The new approach uses a porous ...