The prevailing notion that the African continent has been getting progressively drier over time is being challenged by a new study that finds that drought has actually decreased over the past 1.3 million years and that the ...
Earth Sciences
Oct 21, 2016
2
1129
The massive Toba volcanic eruption on the island of Sumatra about 74,000 years ago did not cause a six-year-long "volcanic winter" in East Africa and thereby cause the human population in the region to plummet, according ...
Earth Sciences
Feb 6, 2018
1
147
When a Lake Malawi cichlid loses a tooth, a new one drops neatly into place as a replacement. Why can't humans similarly regrow teeth lost to injury or disease?
Evolution
Oct 19, 2015
0
63
Researchers in the College of Arts and Sciences have published new details about the evolution of the East African Rift (EAR) Valley, one of the world's largest continental rift zones.
Earth Sciences
Dec 21, 2016
1
192
As far as we know, humans as a species have been around for at least 300 000 years. Recently, we have come to realize that our impact on the climate and earth's ecology is unsustainable. Landscape change driven by humans ...
Archaeology
May 6, 2021
0
139
(Phys.org) —New research from Oxford University casts doubt on the theory that the Mount Toba super-eruption, which took place at the Indonesian island of Sumatra 75,000 years ago, could have plunged the Earth into a volcanic ...
Earth Sciences
May 1, 2013
1
1
A family of fishes called cichlids in Africa's Lake Malawi is helping researchers at the University of Massachusetts Amherst to refine our understanding of how evolution works.
Plants & Animals
Sep 16, 2021
1
263
Fish rarely feed their young. An exception are certain species of snakeheads whose offspring feed on trophic eggs provided by their parent. A new study shows that this exceptional adaptation developed in snakehead fish around ...
Plants & Animals
Mar 15, 2022
0
182
Africa plays a prominent role in human evolution, and is considered by researchers to be the cradle of humanity. In the mid-20th century anthropologists found fossils of Paranthropus robustus in South Africa, which belongs ...
Earth Sciences
Jul 10, 2018
0
145
In 2018 and 2020, Michael Pauers traveled 8,500 miles to go fishing in Lake Malawi, but not with a pole and lure. He and his research colleague, Titus Phiri, were collecting and describing cichlids—best-known as a popular ...
Plants & Animals
Jul 13, 2023
0
125
