Most scientists agree modern humans developed in Africa, more than 200,000 years ago, and that a great human diaspora across much of the rest of the world occurred between perhaps 60,000 and 50,000 years ago.
Evolution
May 24, 2023
0
510
Species known as marine habitat-forming species —gorgonians, corals, algae, seaweeds, marine phanerogams, etc.— are organisms that help generate and structure the underwater landscapes. These are natural refuges for other ...
Ecology
May 24, 2023
0
3
Deep in a cool, damp cave in Vermont, tens of thousands of furry, chocolate brown creatures stir.
Plants & Animals
May 12, 2023
0
106
For thousands of years, people in the British Isles lived with and depended on wild animals for food and clothes. The land teemed with species such as deer, boar, wolves, lynx and beavers. Then came farming, population growth ...
Ecology
May 8, 2023
0
4
Most chromosomes have been around for millions of years. Now, researchers from the Stowers Institute for Medical Research have revealed the dynamics of a new, very young chromosome in fruit flies that is similar to chromosomes ...
Cell & Microbiology
May 4, 2023
1
50
A team led by bioinformatics experts Andreas Keller and Fabian Kern from Saarland University together with researchers at Stanford University have gained new insights into manifestations of aging at the molecular level. They ...
Biotechnology
Apr 27, 2023
0
70
The pygmy right whale (Caperea marginata) is the smallest of all baleen whales although it can grow to six meters in length and weigh up to three tons. The species occurs circumpolar in the Antarctic waters of the Southern ...
Evolution
Apr 20, 2023
0
75
Flowers in plants are typically arranged into branched clusters called inflorescences. As flowers produce the seeds and the fruits, inflorescence architecture—the level of branching as well as the final numbers of flowers ...
Plants & Animals
Apr 5, 2023
0
2
In the 1700s, a boy was born into slavery in Colonial America. He spent his life working in the coastal city of Charleston, South Carolina. And when he died in middle age, he was buried alongside 35 other slaves.
Archaeology
Mar 28, 2023
0
101
Induced pluripotent stem cells offer great therapeutic potential and are a valuable tool for understanding how different diseases develop. New research shows that such stem cell lines should be regularly screened for genetic ...
Cell & Microbiology
Mar 24, 2023
0
30
