Penny Sarchet

speaker

1,050 appearances 18 recordings 1 series first heard Jun 2026 last heard 5d ago

Penny Sarchet’s voice in public audio — every appearance, attributed to the second.

Trend

recordings per month · last 12 months

Recordings per month over the last 12 months — 18 in all, peaking in Sep 2026 with 6.

Appearances

newest first · ▶ plays the moment

The World, the Universe and Us · Latitude Special: Why Festivals Make You Live Longer; Clearing Alzheimer’s Proteins from the Brain;Clouds Made of Rocks and Rubies; Orcas Blow Up Giant Fish · 5 Aug 2026 podcast

So what have they been getting their teeth to do? matched

So do we think they're doing this for sport or for food as well? matched

And so how coordinated is this? matched

Because we know from Orca they do things like bubble netting. matched

They have these really sophisticated techniques for targeting different types of prey. matched

And we're talking 2,000 kilograms? matched

And do we have a bit of a Snoopy situation with Lucy holding the football? matched

Have they been observed? matched

I wouldn't put it past the orca. matched

I feel like this is the next wellness trend. matched

Yeah, so this is a fascinating story and not something I'd ever heard of before. matched

Our colleague at New Scientist, Carissa Wong, found this for us. matched

And it is this finding that intermittently inhaling doses of carbon dioxide at about the level that we normally breathe it out does seem to remove proteins from the brain that are normally associated with Alzheimer's. matched

And it seems to do this by prompting boosting in the power of our brain's waste disposal system, which is a really hot and exciting area of research at the moment. matched

Because you don't want... Yeah, so we'll start with a health warning. matched

Don't go home and huff gases that haunt the air. matched

We don't want anyone asphyxiating themselves accidentally. matched

We call it high. matched

If you think about carbon dioxide in the atmosphere normally, because there is plenty of it and more all the time, unfortunately, that's normally at the level of about 0.05%. matched

But when you breathe out, your body produces carbon dioxide and respiration. matched

Showing 561–580 of 1,050 · page 29 of 53