News tagged with millennia

Strength in numbers

New research sheds light on why, after 300,000 years of domination, European Neanderthals abruptly disappeared. Researchers from the University of Cambridge have discovered that modern humans coming from Africa swarmed the ...

Jul 28, 2011
4.7 / 5 (16) 16 | with audio podcast

Thawing tundra a new climate threat

(PhysOrg.com) -- A significant source of greenhouse gases has started leaking into the Earth's atmosphere from an unlikely place. Above the Arctic Circle, land frozen for tens of thousands of years has begun ...

Jan 20, 2012
4.2 / 5 (15) 11

The greenhouse gas that saved the world

When Planet Earth was just cooling down from its fiery creation, the sun was faint and young. So faint that it should not have been able to keep the oceans of earth from freezing. But fortunately for the creation of life, ...

Aug 18, 2009
3.6 / 5 (9) 7

In the Greek isles, a volcano has awakened

In 1650 B.C.E., a series of massive volcanic eruptions decimated the ancient seafaring Minoan civilization. Over the next 4 millennia, the largely subaquatic Santorini caldera had a series of smaller eruptions, with five ...

Apr 23, 2012
5 / 5 (5) 0

Australian lake untouched by climate change

Researchers at the University of Adelaide have found that a lake on an island off the coast of Queensland has been relatively untouched by changes in climate for the past 7000 years, and has so far also resisted ...

Jun 04, 2013
5 / 5 (5) 4 | with audio podcast