Related topics: climate change

Original Australians numbered 1,000-3,000, study finds

Australia was first settled by between 1,000 and 3,000 humans around 50,000 years ago, but the population crashed during the Ice Age before recovering to a peak of some 1.2 million people around five centuries ago, a study ...

Diatoms explain release of CO2

(Phys.org) —Scientists have found unexpectedly high concentrations of opal, a mineral containing silicate, in marine sediments during the transition periods from ice ages to warm phases. The explanation as to what caused ...

Dwarf whale survived well into Ice Age

Research from New Zealand's University of Otago detailing the fossil of a dwarf baleen whale from Northern California reveals that it avoided extinction far longer than previously thought.

Lost and found, the first find of an early human artwork

A 14,000-year-old engraved reindeer antler is possibly the first piece of early human art ever found. The specimen was uncovered in the 1800s and has been in the vast collections of the Natural History Museum. Its scientific ...

What can 'ring species' teach us about evolution?

Ten thousand years ago, at the end of the last ice age, a species of greenish warblers lived in a forest south of the Tibetan Plateau. As the ice receded, the forest grew to form a ring around the plateau—and so did the ...

page 8 from 15