lakes

"The most acidic natural inland waters are the lakes that lie in the craters of volcanoes, like Kawah Ijen in Indonesia. These lakes are so rich in sulfuric acid that they may have a pH as low as 0.1. To put this in context, fresh battery acid has a pH of about 0.7. "

Earth from space Three closely grouped lakes in Ethiopia's Great Rift Valley have distinctly different hues thanks to a combination of unique features.

Africa's soda lakes are rising and it's decimating the cyanobacteria flamingos have evolved to eat, putting the species at risk of drastic declines if current trends continue.

The village likely dates to the time of Europe's first farmers, who arrived from Anatolia about 8,000 years ago.

Wildlife experts recently captured footage of frozen discs, known as "ice pancakes," on the surface of a river in Scotland after an unusual cold snap.

Biological activity in some Arctic lakes has ratcheted up dramatically over the past 150 years.

All three lakes used to be part of the same ancient body of water.

Giant viruses infect tiny algae in a rare epishelf lake in the Arctic Ocean that's one of the last of its kind.

More than a decade of drought recently revealed long-submerged bodies in the depths of Lake Mead, a vast reservoir in Las Vegas.

Utah wildlife officials have restocked lakes in this way since the 1950s.