How Your Brain Cleans Itself - And What Happe...

Episode 405 The Atlantic Meridional Overturning Circulation (AMOC) is a major system of ocean currents that plays a vital role in Earth’s climate. If it collapses, the consequences could be catastrophic. We could see ice-age level winters in Europe, coupled with scalding hot summ ...  Show more

Episode 404 Jonathan the tortoise was born in the year 1832, on a beach in the Seychelles. 194 years later and Jonathan is still alive, celebrating his birthday. How exactly has he managed to survive for so long? Jonathan is a giant tortoise and the world’s oldest known land anim ...  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