Geography

Global warming may be twice what climate models predict

Global warming may be twice what climate models predict

Global warming may be double what is forecast. Future global warming may eventually be twice as warm as projected by climate models and sea levels...
Ancient American dogs almost completely wiped out by arrival of European breeds

Ancient American dogs almost completely wiped out by arrival of European breeds

The arrival of Europeans to the Americas, beginning in the 15th century, all but wiped out the dogs that had lived alongside native people...
Ancient DNA testing solves 100-year-old controversy in Southeast Asian prehistory

Ancient DNA testing solves 100-year-old controversy in Southeast Asian prehistory

Two competing theories about the human occupation of Southeast Asia have been debunked by ground-breaking analysis of ancient DNA extracted from 8,000 year-old skeletons. Southeast...
Scientists believe ‘lost carbon’ during last Ice Age was stored in ocean via physics and dust

Scientists believe ‘lost carbon’ during last Ice Age was stored in ocean via physics...

During the last ice age, atmospheric carbon dioxide was about one-third lower than it is today and scientists are uncertain why the distribution of...
3 Reasons Why The US Is Vulnerable To Big Disasters

3 reasons why the us is vulnerable to big disasters

During the 2017 disaster season, three severe hurricanes devastated large parts of the U.S. The quick succession of major disasters made it obvious that such...
First dogs in the Americas arrived from Siberia, disappeared after European contact

First dogs in the Americas arrived from Siberia, disappeared after European contact

A study reported in the journal Science offers an enhanced view of the origins and ultimate fate of the first dogs in the Americas. The dogs were...
Climate change is making night-shining clouds more visible

Climate change is making night-shining clouds more visible

Increased water vapor in Earth's atmosphere due to human activities is making shimmering high-altitude clouds more visible, a new study finds. The results suggest these...
World’s first animals 500 million years ago caused global warming

World’s first animals 500 million years ago caused global warming

The evolution of Earth's first animals more than 500 million years ago caused global warming, new research shows. Some 520-540 million years ago, animal life...
How many people can Australia feed?

How many people can Australia feed?

Australia feeds a lot of people. As a big country with a relatively small population, we have just over two arable hectares per person, one...
In just a few years, Antarctic ‘ice loss’ tripled

In just a few years, Antarctic ‘ice loss’ tripled

The amount of ice lost from Antarctica has tripled since 2012 and increased global sea levels by 0.12 inch in five years, according to...