Germ cells, the reproductive cells that eventually become eggs and sperm, are set aside early in embryonic development, when the embryo is just a hollow ball of cells called the gastrula. This means that the cells transferring ...
Cell & Microbiology
Nov 1, 2022
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3
Yeast, that simple organism essential to making beer and bread, has revealed for Cornell University researchers a key mechanism in how genes are controlled.
Cell & Microbiology
Oct 27, 2022
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5
The Aldabra giant tortoise is one of only two giant tortoise species left in the world, and it is currently on the threatened list. Conservation efforts are underway, but more and better tools to improve the chance of long-term ...
Ecology
Oct 11, 2022
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5
When the first modern humans arose in East Africa sometime between 200,000 and 300,000 years ago, the world was very different compared to today. Perhaps the biggest difference was that we—meaning people of our species, ...
Molecular & Computational biology
Oct 10, 2022
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116
What fundamentally sets a human being apart from every other living creature comes down to differences in DNA sequences—a set of genetically-inherited molecules found in every cell of every organism. These differences have ...
Evolution
Sep 20, 2022
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17
Researchers have discovered a new way hospital-acquired infections resist antibiotics, through a "silent" genetic mutation.
Cell & Microbiology
Sep 19, 2022
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71
The native Australian rodent Pseudomys fumeus, named smoky mouse for its color, was already fighting off extinction when the 2019–20 bushfire season hit.
Plants & Animals
Sep 1, 2022
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14
Two new approaches could help scientists use existing sequencing technology to better-distinguish RNA changes that affect how genetic code is read.
Biotechnology
Aug 25, 2022
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7
Researchers at the University at Buffalo and their collaborators have developed powerful new ways to study and potentially reverse the cellular mechanisms that cause mitochondrial diseases and premature aging.
Cell & Microbiology
Aug 22, 2022
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134
The brushtail possum asked the sugar glider, "Are we related?" For many years, science answered "No". For a long time, genetic data provided evidence that the Australasian possums, the Phalangeroidea (including the brushtail ...
Evolution
Aug 18, 2022
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16
