In the quest to find out why frog species have been declining so dramatically, various researchers have blamed climate change, disease, pollution, and increases in ultraviolet light from the sun reaching the surface. If two new studies are any indication, the answer increasingly appears to be: all of the above.
Researchers led by the University of […]

King Solomon was big on brass accessories. He ordered two enormous brass pillars, plus other brass items, for the temple the monarch commissioned for Jerusalem.
And where might all of this copper – a key ingredient in brass – have come from? Archaeologists from the US, Jordan, Britain, and Switzerland report that they have excavated an […]

One drawback to solar cells these days is their tendency to work best over a fairly narrow stretch of visible light’s spectrum. As a result, they take advantage of a relatively small portion of the light that the sun emits – and therefore don’t deliver as much juice as they should. Now, researchers have hit […]