Sentences with phrase «how ancient lakes»

Curiosity is climbing a layered Martian mountain and finding chemical evidence of how ancient lakes and wet underground environments changed, billions of years ago, in ways that affected their potential favorability for microbial life.

Not exact matches

Walter mapped likely methane deposits across the region; quantified how much methane, formed when permafrost melts, is bubbling out of current lakes; and compared that with the amount emitted from methane - laden sediments taken from ancient frozen lakes.

An international team of geologists has a new explanation for how the Midwest's biggest geological feature — an ancient and giant 2,000 - mile - long underground crack that starts in Lake Superior and runs south to Oklahoma and to Alabama — evolved.

An ancient lake whose shores vacillated between lush forests and dry savannahs shows how the changing climate may have shaped humanity's dawn in eastern Africa, according to new research.

From the University of California — Berkeley Deep sediments are unparalleled record of biotic changes over past 200,000 + years University of California, Berkeley, scientists are drilling into ancient sediments at the bottom of Northern California's Clear Lake for clues that could help them better predict how today's plants and animals will adapt to climate change...