A new analysis of lice genetic diversity suggests that lice came to the Americas twice—once during the first wave of human migration across the Bering Strait, and again during European colonization. Marina Ascunce, currently ...
Evolution
Nov 8, 2023
0
66
Modern humans left Africa some 60,000 years ago in the event known as "Out-of-Africa." In Asia, they coincided with the Denisovans, and that encounter may have led to confrontations and collaborations, but also various crossbreeding. ...
Evolution
Oct 30, 2023
1
366
Searching for new ways to block the growth of cancer cells is like looking for a needle in a haystack. Tumor cells rely on thousands of proteins to function, but only a few of those proteins can be precisely targeted by drugs ...
Biochemistry
Oct 5, 2023
0
76
In May, University of Florida scientists announced that they had unearthed high-quality, information-rich human DNA from nearly every spot they could think of. Rivers, beaches, oceans—even vacuumed up from the air.
Molecular & Computational biology
Aug 10, 2023
0
1
A study on almost four thousand people of African descent has identified a gene that acts as natural defense against HIV by limiting its replication in certain white blood cells. An international effort co-led by EPFL, Canada's ...
Biotechnology
Aug 2, 2023
0
4
The Xerces Blue butterfly (Glaucopsyche xerces) was native to the coastal dunes of San Francisco, in the United States. As the city grew, much of the butterfly's habitat was destroyed and its population was relegated to Golden ...
Plants & Animals
Jul 13, 2023
0
105
The sled dog Balto has been celebrated in books and movies for his role in delivering desperately needed diphtheria antitoxin to Nome, Alaska, in 1925. Now, his DNA has enabled scientists to explore the genetics of 1920s ...
Evolution
Apr 27, 2023
0
3816
If you had the grooming habits of a Neanderthal, perhaps it's a good thing your nose wasn't as sensitive to urine and sweat as a modern human's.
Evolution
Jan 5, 2023
1
1034
Copy number variants (CNVs) are regions of the genome that are duplicated or deleted in some individuals, and are a common type of gene-disabling mutation. The human genome contains hundreds of thousands of CNVs, but typical ...
Cell & Microbiology
Oct 28, 2022
0
58
A fruit fly genome is not a just made up of fruit fly DNA—at least for one fruit fly species. New research from the University of Maryland School of Medicine's (UMSOM) Institute for Genome Sciences (IGS) shows that one ...
Cell & Microbiology
Aug 2, 2022
0
150
