(Phys.org)—Although humans are a single species, not all genetic variation is shared between populations – and the ability to sequence our entire genome has allowed scientists to catalogue mutations that occur in one ...
Hundreds of thousands of years ago, the ancestors of modern humans diverged from an archaic lineage that gave rise to Neanderthals and Denisovans. Yet the evolutionary relationships between these groups remain unclear.
Archaeology
Aug 7, 2017
0
1367
The extinction of prehistoric megafauna like the woolly mammoth, cave lion, and woolly rhinoceros at the end of the last ice age has often been attributed to the spread of early humans across the globe. Although overhunting ...
Archaeology
Aug 13, 2020
6
1842
How malaria parasites evolved to evade a major antimalarial drug has long been thought to involve only one key gene. Now, thanks to a combination of field and lab studies, an international research team has shown a second ...
Cell & Microbiology
May 11, 2023
0
59
The virus that causes COVID-19 mutates almost once a week—significantly higher than the rate estimated previously—according to a new study by scientists from the Universities of Bath and Edinburgh. Their findings indicate ...
Evolution
Aug 27, 2021
0
1362
Chance events may profoundly shape history. What if Franz Ferdinand's driver had not taken a wrong turn, bringing the Duke face to face with his assassin? Would World War I still have been fought? Would Hitler have risen ...
Evolution
Jun 19, 2014
22
0
Researchers have newly discovered a surprising and potentially significant reason why eating foods frequently cooked at high temperatures, such as red meat and deep-fried fare, elevates cancer risk. The alleged culprit: DNA ...
Biochemistry
Jun 13, 2023
0
694
A new study of chickens overturns the popular assumption that evolution is only visible over long time scales. By studying individual chickens that were part of a long-term pedigree, the scientists led by Professor Greger ...
Evolution
Oct 27, 2015
102
2433
Excavating ancient DNA from teeth, an international group of scientists peered into the lives of a once thriving medieval Ashkenazi Jewish community in Erfurt, Germany. The findings, shared today in the journal Cell, show ...
Archaeology
Nov 30, 2022
0
2337
Scientists at the University of Utah identified mutations in three key genes that determine feather color in domestic rock pigeons. The same genes control pigmentation of human skin.
Plants & Animals
Feb 6, 2014
0
2
