COP31: Are the World's Climate Summits Actual...

Episode 407 The latest UN climate report is out and we’ve blown past 1.5 degrees of warming. We’re now in “overshoot” - an acknowledgement that global temperatures will rise beyond 1.5 degrees, but can theoretically be brought back down again through cooling efforts. But with the ...  Show more

Episode 406 The glymphatic system is the brain’s waste disposal system - responsible for clearing out harmful toxins that build up during the day. Now a new mouse study has connected reduced glyphatic flow to Alzheimer’s disease. And because this glymphatic system cleans the brai ...  Show more

There’s a ton of hoopla over these new coronavirus vaccines. But given that they’ve been produced at warp speed — can we trust them? We also find out what’s going on with “long haulers.” How common is it to be sick for months from Covid-19? Plus, fresh new science about why some ...  Show more

Everybody hopes that the new super-charged Omicron variant of coronavirus will be less severe, but even if it is, it’s spreading so fast and infecting so many people, health services around the world could still buckle under the strain.Two years into the pandemic, Claudia Hammond ...  Show more

Today we bring you a new episode in our podcast series COVID, Quickly. Every two weeks, Scientific American’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between. ...  Show more