At the end of the last Ice Age, as the world began to warm, a swath of the North Pacific Ocean came to life. During a brief pulse of biological productivity 14,000 years ago, this stretch of the sea teemed with phytoplankton, ...
Earth Sciences
Jul 14, 2013
2
0
Once thought incapable of encoding proteins due to their simple monotonous repetitions of DNA, tiny telomeres at the tips of our chromosomes seem to hold a potent biological function that's potentially relevant to our understanding ...
Cell & Microbiology
Feb 20, 2023
0
536
Before there was life on Earth, there were molecules. A primordial soup. At some point a few specialized molecules began replicating. This self-replication, scientists agree, kick-started a biochemical process that would ...
Cell & Microbiology
Sep 13, 2013
49
1
The number of mutations that can contribute to aging may be significantly higher than previously believed, according to new research on fruit flies. The study by scientists at Linköping University, Sweden, supports a new ...
Cell & Microbiology
Sep 29, 2020
1
243
Although humans and woolly mammoths co-existed for millennia, the shaggy giants disappeared from the globe between 4,000 and 10,000 years ago, and scientists couldn't explain until recently exactly how the Flinstonian behemoths ...
Archaeology
Jun 12, 2012
23
0
The biological age of humans and mice undergoes a rapid increase in response to diverse forms of stress, which is reversed following recovery from stress, according to a study publishing on April 21 in the journal Cell Metabolism. ...
Cell & Microbiology
Apr 21, 2023
0
171
Human lifespan is related to the aging of our individual cells. Three years ago a group of University of California San Diego researchers deciphered essential mechanisms behind the aging process. After identifying two distinct ...
Cell & Microbiology
Apr 27, 2023
1
500
Normally, Andrej Shevchenko and his team at the Max Planck Institute of Molecular Cell Biology and Genetics in Dresden analyse proteins and fats in the cells of fruit flies or roundworms. In this case, however, the scientists ...
Archaeology
Mar 12, 2014
0
1
Since before the age of dinosaurs it has burrowed unbothered beneath the monsoon-soaked soils of remote northeast India - unknown to science and mistaken by villagers as a deadly, miniature snake.
Plants & Animals
Feb 22, 2012
3
0
(Phys.org) -- Worms are important decomposers in soil and are great for fishing, but in humans, the slimy wrigglers spell trouble. Hookworms, whipworms, Ascaris, Guinea worms and trichina worms are just a few parasitic nematodes ...
Cell & Microbiology
Apr 17, 2012
0
0
