First study of people willingly infected with Covid-19 yields valuable insights

It takes just a tiny virus-laden droplet -- about the width of a human blood cell -- to infect someone...

Sorry, millennials. The emoji isn’t cool anymore

Bad news for people who frequently use the 😂 emoji: It is no longer cool.

Dolly Parton hasn’t gotten the coronavirus vaccine yet, even though she donated $1 million for it

A newly 75-year-old Dolly Parton is eligible to be inoculated against Covid-19 but hasn't gotten a shot yet, she told...

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