Coronavirus epidemics first hit more than 21,000 years ago

Sarbecoviruses have crossed into humans twice in the last decade, leading to the deadly SARS-CoV-1 outbreak in 2002-04 and the current COVID-19 pandemic, caused by the SARS-CoV-2 virus. A new Oxford University study, published ...

Study proposes alternative way to explain life's complexity

Evolution skeptics argue that some biological structures, like the brain or the eye, are simply too complex for natural selection to explain. Biologists have proposed various ways that so-called 'irreducibly complex' structures ...

Whales' eyes offer glimpse into their evolution from land to sea

University of Toronto researchers have shed light on the evolutionary transition of whales' early ancestors from on-shore living to deep-sea foraging, suggesting that these ancestors had visual systems that could quickly ...

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