How fast is evolution? In adaptive evolution, natural selection causes genetic changes in traits that favor the survival and reproduction of individual organisms.
Evolution
May 27, 2022
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36
Darwinian evolution is the process by which natural selection promotes genetic changes in traits that favor survival and reproduction of individuals. How fast evolution happens depends crucially on the abundance of its "fuel": ...
Evolution
May 26, 2022
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1092
A critical goal in genetics and evolution is predicting the effects of mutations that may happen in the future and inferring the effects of those that happened in the past. To make these predictions, scientists generally ...
Evolution
May 19, 2022
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531
Like storm waves battering a ship, new versions of the SARS-CoV-2 virus have buffeted the world one after another. Recently, scientists keeping tabs on these variants noticed a trend: Many carry the same set of three mutations. ...
Biochemistry
May 17, 2022
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130
Vaquita porpoises are on the edge of extinction, with just 10 left in their sole habitat within Mexico's Gulf of California.
Plants & Animals
May 8, 2022
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70
Biobanking and assisted reproduction could become a reality for koalas by leveraging the existing technology used to help humans conceive. A detailed model, published in the international journal Animals, reveals this would ...
Plants & Animals
Apr 13, 2022
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49
An analysis of the genetic material in the ocean has identified thousands of previously unknown RNA viruses and doubled the number of phyla, or biological groups, of viruses thought to exist, according to a new study our ...
Molecular & Computational biology
Apr 8, 2022
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58
Biomedical engineers at Duke University believe they have discovered the physical mechanism that causes high doses of antibiotics to promote the spread of antibiotic resistance between bacteria.
Evolution
Apr 5, 2022
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71
Suppose that we could watch twenty generations of whales or sharks adapting to climate change—measuring how they evolve and how their biology changes as temperatures and carbon dioxide levels rise. That could tell us a ...
Plants & Animals
Mar 21, 2022
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102
Soft and immobile, sea sponges may appear inert, but these simple animals are rich with chemistry. From them, scientists have uncovered plenty of biologically active compounds, some of which have gone on to become medications. ...
Biochemistry
Mar 20, 2022
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284
