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
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500
A team of researchers affiliated with a host of institutions in the U.K. and the U.S. has conducted an investigation into whether epigenetic aging is the manifestation of one or more aging hallmarks. In their paper published ...
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
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
The Later Stone Age emerged in South Africa more than 20,000 years earlier than previously believed -- about the same time humans were migrating from Africa to the European continent, says a new international study led by ...
Archaeology
Jul 30, 2012
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1
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
Paleontologists can still hear the echo of the death knell that drove the dinosaurs and many other organisms to extinction following an asteroid collision at the end of the Cretaceous Period 65 million years ago.
Archaeology
Feb 5, 2009
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0
Scientists have known about a particular organelle in plant cells for over a century. However, UC Riverside scientists have only now discovered that organelle's key role in aging.
Plants & Animals
Jan 17, 2024
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30
With age, cells can experience senescence, a state where they stop growing but continue releasing inflammatory and tissue-degrading molecules. When a person is young, the immune system responds and eliminates senescent cells, ...
Cell & Microbiology
Dec 4, 2023
0
57
Often referred to as the "powerhouses of the cell," mitochondria are well known for their role as energy suppliers, but these organelles are also critical for maintaining our overall health. Mitochondrial stress is associated ...
Molecular & Computational biology
Aug 7, 2023
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