Archive: 08/10/2012

Mercury pollution, still spreading

Humans have known about mercury’s toxicity since ancient times, when work in mines that extracted cinnabar — the blood-red, mercury-containing ore — was considered a death sentence.

Aug 10, 2012 5 / 5 (1) 0

US drone to map ancient Peru ruins

Archeologists in Peru plan to use a US-made drone to survey ancient Andean ruins, in the latest civilian application of the unmanned aerial vehicles used to hunt militants in the world's war zones.

Aug 10, 2012 5 / 5 (2) 2

North American freshwater fishes race to extinction

North American freshwater fishes are going extinct at an alarming rate compared with other species, according to an article in the September issue of BioScience. The rate of extinctions increased noticeably after 1950, althou ...

Aug 10, 2012 5 / 5 (1) 0