Health officials say the delta variant of the coronavirus continues to surge and accounts for an estimated 83% of U.S. COVID-19 cases.
That’s a dramatic increase from the week of July 3, when the variant accounted for about 50% of genetically sequenced coronavirus cases.
“The best way to prevent the spread of COVID-19 variants is to prevent the spread of disease, and vaccination is the most powerful tool we have,” said Dr. Rochelle Walensky, director if the Centers for Disease Control and Prevention, during a U.S. Senate hearing Tuesday.
The delta variant is a mutated coronavirus that spreads more easily than other versions. It was first detected in India but now has been identified around the world.
Scientists at the Smithsonian National Museum of Natural History joined Cheddar to discuss the possibility that the world is undergoing its sixth mass extinction event.
World leaders are promising to protect the world’s forests, cut methane emissions and help South Africa wean itself off coal at the U.N. climate summit.
President Joe Biden is taking a markedly more humble tone for a U.S. leader on climate change.
British Prime Minister Boris Johnson has opened a global climate summit, saying the world is strapped to a “doomsday device.”
A new study found a cheap antidepressant reduced the need for hospitalization among high-risk adults with COVID-19.
A group of prominent academics and activists are calling on banks and insurers to avoid the kind of systemic collapse that crippled the world economy back in 2008.
SpaceX is resolving toilet spills in its capsules before it launches another crew for NASA. Liftoff is currently set for early Sunday from Florida's Kennedy Space Center.
U.S. health advisers have endorsed kid-size doses of Pfizer's COVID-19 vaccine for younger children.
Last spring, as false claims about vaccine safety threatened to undermine the world's response to COVID-19, researchers at Facebook found they could reduce vaccine misinformation by tweaking how vaccine posts show up on users' newsfeeds.
New York City's first immersive cannabis experience, The Stone Age, is seeking to change the narrative about cannabis, just in time for legalization.
