Search results for black arsenic

Environment Aug 18, 2019

Wildlife now roam where US once forged its deadliest weapons

From a tiny Pacific island to a leafy Indiana forest, a handful of sites where the United States manufactured and tested some of the most lethal weapons known to humankind are now peaceful havens for wildlife.

Environment Aug 15, 2019

How synthetic biology can help the environment

Most environmental science is focused on how to turn back the clock, not push it forward, says Ben Bostick, a geochemist at Lamont-Doherty Earth Observatory. "We think about how we can roll back our footprint, and not so ...

Security Jul 7, 2019

Mystery of NSA leak lingers as stolen document case winds up

Federal agents descended on the suburban Maryland house with the flash and bang of a stun grenade, blocked off the street and spent hours questioning the homeowner about a theft of government documents that prosecutors would ...

Archaeology May 21, 2019

In a first, researchers identify reddish coloring in an ancient fossil

Researchers have for the first time detected chemical traces of red pigment in an ancient fossil—an exceptionally well-preserved mouse, not unlike today's field mice, that roamed the fields of what is now the German village ...

Environment May 8, 2019

Roman mining activities polluted European air more heavily than previously thought

Roman-era mining activities increased atmospheric lead concentrations by at least a factor of 10, polluting air over Europe more heavily and for longer than previously thought, according to a new analysis of ice cores taken ...

Astronomy Mar 27, 2019

GRAVITY instrument breaks new ground in exoplanet imaging

The GRAVITY instrument on ESO's Very Large Telescope Interferometer (VLTI) has made the first direct observation of an exoplanet using optical interferometry. This method revealed a complex exoplanetary atmosphere with clouds ...

Materials Science Jan 24, 2019

Periodic table: new version warns of elements that are endangered

It is amazing to think that everything around us is made up from just 90 building blocks – the naturally occurring chemical elements. Dmitri Mendeleev put the 63 of these known at the time into order and published his first ...

Business Jan 23, 2019

Netflix finally accepted in Hollywood club—but not fully

By earning its first-ever Oscar nomination for best picture with "Roma," Netflix has propelled itself into Hollywood's club of elite filmmakers, but the streaming giant's hybrid business model still hasn't won over its sharpest ...

Ecology Sep 17, 2018

Eelgrass wasting disease has new enemies: Drones and artificial intelligence

Every year, the world loses an estimated 7 percent of its seagrasses. While the reasons are manifold, one culprit has long confounded scientists: eelgrass wasting disease. This September a team of biologists is zeroing in ...

Ecology Sep 14, 2018

Slaughtered rhino embodies S.Africa's poaching crisis

The mutilated carcass of a female white rhino, who had given birth just months ago, lay rotting on a hill beside a road that meanders through South Africa's Kruger National Park.

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