Electronic waste is mined for rare earth elements

Rare earth elements are the "secret sauce" of numerous advanced materials for energy, transportation, defense and communications applications. Their largest use for clean energy is in permanent magnets, which retain magnetic ...

High arsenic levels found in children near former French mine

Tests of dozens of children living near what was once the world's biggest arsenic mine have revealed worrying levels of the toxic element, French officials said Tuesday, heightening fears that waste from the site is leaching ...

Distant 'heavy metal' gas planet is shaped like a football

The scorching hot exoplanet WASP-121b may not be shredding any heavy metal guitar riffs, but it is sending heavy metals such as iron and magnesium into space. The distant planet's atmosphere is so hot that metal is vaporizing ...

How nature builds hydrogen-producing enzymes

A team from Ruhr-Universität Bochum and the University of Oxford has discovered how hydrogen-producing enzymes, called hydrogenases, are activated during their biosynthesis. They showed how the cofactor—part of the active ...

Modeling early meteorite impacts on the moon

As our solar system was forming nearly four and a half billion years ago, a planet-sized object struck the early Earth, leading to the formation of the moon, possibly from a hot, spinning cloud of rock vapor called a synestia. ...

Atmosphere of mid-size planet revealed by Hubble and Spitzer

Two NASA space telescopes have teamed up to identify, for the first time, the detailed chemical "fingerprint" of a planet between the sizes of Earth and Neptune. No planets like this can be found in our own solar system, ...

page 1 from 23