HIV's ancestors 'plagued first mammals'

(PhysOrg.com) -- The retroviruses which gave rise to HIV have been battling it out with mammal immune systems since mammals first evolved around 100 million years ago - about 85 million years earlier than previously thought, ...

Dating in the age of the pandemic

In the time of COVID-19, when intimate relationships have been strained and human connections fleeting, singles are kissing hookups goodbye in favor of settling down—and getting vaccinated at a higher rate to make it happen.

Life changed for dogs during lockdown

They are loyal companions to thousands of people. Now, research shows the lockdown experience of Britain's favorite dog breed affected their lifestyles and veterinary care.

Details of lab-made bird flu won't be revealed (Update)

The U.S. government paid scientists to figure out how the deadly bird flu virus might mutate to become a bigger threat to people - and two labs succeeded in creating new strains that are easier to spread.

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