Early ancestral bottleneck could've spelled the end for modern humans
How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today.
How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today.
Evolution
Aug 31, 2023
3
336
Modern medicine depends on antibiotics to treat infections by disabling targets inside bacterial cells. Once inside these cells, antibiotics bind to certain sites on specific enzyme targets to stop bacterial growth. Randomly ...
Cell & Microbiology
Aug 30, 2023
0
47
Short-lived proteins control gene expression in cells to carry out a number of vital tasks, from helping the brain form connections to helping the body mount an immune defense. These proteins are made in the nucleus and are ...
Cell & Microbiology
Aug 24, 2023
0
294
In a groundbreaking endeavor, researchers at the University of Rochester have successfully transferred a longevity gene from naked mole rats to mice, resulting in improved health and an extension of the mouse's lifespan.
Biotechnology
Aug 23, 2023
1
362
Researchers at Nanjing Normal University, China, have investigated the genetic underpinnings of mammalian longevity in search of new strategies to extend human lifespan.
Salt marshes are home to tiny crustaceans called amphipods that keep a low profile: Their gray-brown coloring helps them blend in with their surroundings, and they spend most of their time hiding under vegetation. But when ...
Ecology
Aug 23, 2023
0
248
For decades, the Y chromosome—one of the two human sex chromosomes—has been notoriously challenging for the genomics community to sequence due to the complexity of its structure.
Molecular & Computational biology
Aug 23, 2023
1
1417
Scientists have identified a molecule that plays a key role in how cells detect when they are being pushed or pulled which could lead to the development of future drugs for obesity, osteoporosis, and inflammatory diseases.
Cell & Microbiology
Aug 17, 2023
0
46
Researchers at Albert Einstein College of Medicine have found that the virus responsible for chikungunya fever can spread directly from cell to cell—perhaps solving the longstanding mystery of how the virus, now emerging ...
Cell & Microbiology
Aug 17, 2023
0
67
It's one of the mysteries of nature: How does the axolotl, a small salamander, boast a superhero-like ability to regrow nearly any part of its body? For years, scientists have studied the amazing regenerative properties of ...
Plants & Animals
Jul 31, 2023
2
269