It has been almost 44 years years since the first in vitro fertilization (IVF) procedure was successfully performed in 1978 in Lancashire, England. Since then, more than 8 million babies have been born worldwide to assisted ...
May 31, 2022
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Are women who have twins more fertile? While previous studies concluded they are, a detailed analysis of more than 100,000 births from pre-industrial Europe by an international team of scientists shows they are not. The results ...
May 24, 2022
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Cornell University researchers have identified a shift that occurs in canine coronavirus that may provide clues as to how it transmits from animals to humans.
May 3, 2022
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Was Charles Darwin a one-hit wonder? According to scientists who take a gene's-eye view of evolution, the 19th-century English naturalist contributed one crucial idea to understanding how species change: natural selection, ...
Feb 7, 2022
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The omicron variant of SARS-CoV-2 diverged from previous SARS-CoV-2 variants as a result of adaptive evolution, in which beneficial mutations are passed on to future generations through natural selection, rather than through ...
Jan 26, 2022
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The rise of coronavirus variants has highlighted the huge influence evolutionary biology has on daily life. But how mutations, random chance and natural selection produce variants is a complicated process, and there has been ...
Sep 9, 2021
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The Delta variant is likely to become the most dominant strain globally. What does that mean for current and future variants? Natural selection has shaped the evolution of all living things on our planet, including viruses. ...
Jul 26, 2021
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The delta coronavirus variant, which was first detected in India, is now the dominant variant in the UK. Some experts warn that the delta variant may be 100% more transmissible than the previously dominant variant, alpha. ...
Jun 14, 2021
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COVID-19 is only the latest infectious disease to have had an outsized impact on human life. A new study employing ancient human DNA reveals how tuberculosis has affected European populations over the past 2,000 years, specifically ...
Mar 4, 2021
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Similar to bacteria evolving resistance to antibiotics, viruses can evolve resistance to vaccines, and the evolution of SARS-CoV-2 could undermine the effectiveness of vaccines that are currently under development, according ...
Nov 9, 2020
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