Health

Covid-19 mask safety: Two or three layers best to protect against virus, study finds

Biden and Trump: Why doctors say attacks on age can be 'dangerous'

How mosquitoes evolved to be attracted to humans, and what that means for the future

Food 1209503 1920

7 easy summer recipes that celebrate farm-fresh fruits and vegetables

6 summer drink recipes to help you beat the heat

The US reported more Covid-19 cases in the last two weeks than it did for all of June

Chile wants Covid-19 sniffer dogs to help reopen public spaces

Senators accuse White House of belittling pandemic by ignoring long-term effects of Covid-19 infection

Dark chocolate's benefits: A heart-healthy option in moderation

Us Health Pharmaceutical

US government and Pfizer reach $1.95 billion deal to produce millions of Covid-19 vaccine doses