New Malaria target
Unexpected Elements
BBC
4.4 • 570 Ratings
🗓️ 2 December 2019
⏱️ 57 minutes
🧾️ Download transcript
Summary
Molecular scale investigations have identified the mechanism which confers resistance to antimalarial drugs. Researchers hope work to turn off this mechanism could mean cheaper well known antimalarials can become effective once again.
We look at the threat to weather forecasting from 5G networks, discuss the origins of much of the technology in our mobile phones and ask what food we’ll be eating in the future and how the past can inform this.
Science fiction is full of people settling on distant planets. But even the closest stars would take millennia to reach with current speeds of travel, by the time any passengers reached an extra solar planet, they would be long dead.
So CrowdScience listener Balaji asked us to find out whether humans could hibernate for interstellar travel?
To uncover the science fact behind this idea, Anand Jagatia holds a tiny hibernating dormouse at the Wildwood Trust in Kent, and meets Dr Samuel Tisherman who puts his patients into suspended animation for a couple of hours, to save their lives after traumatic injuries that cause cardiac arrest. We ask if Dr Tisherman’s research could be extended to put healthy individuals to sleep for much longer periods of time?
It’s a question that neuroscientist, Professor Kelly Drew is studying, in Alaska Fairbanks. She uses Ground Squirrels as a model to understand internal thermostats, and how hibernating mammals manage to reduce their core temperatures to -3 degrees Celsius.
Anand speculates wildly with science fiction authors Adrian Tchaikovsky and Temi Oh whose characters in their books ‘Children of Time’ and ‘Do You Dream of Terra Two?’ traverse enormous distances between habitable planets.
But is human stasis something that would actually be useful? John Bradford is the director of SpaceWorks, this company works with NASA to try to investigate human hibernation for space travel. He’s trying to make space-based human hibernation a reality, and it seems that may be closer than you’d think.
Image: Mosquito. Science Photo Library
Transcript
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| 0:00.0 | Oh, hello. You have chosen a BBC podcast, but before you listen to it, we thought you might |
| 0:04.7 | like our podcast too. You might. You might. It is called Sightracked with me, Nick Grimshaw. |
| 0:09.2 | And me, Annie Mack. And we talk about the week in music. All the news, all the cultural |
| 0:14.0 | happenings in the UK and beyond. And great guests. And it's on BBC Sounds. Yes, where you can |
| 0:19.7 | also enjoy lots of playlists, music mixes and |
| 0:22.6 | live radio, everything from my six music breakfast show to Radio 3 Unwind. But obviously start |
| 0:29.2 | with our podcast, sidetrack. Obviously. Obviously. So if you like music, listen on BBC |
| 0:33.7 | Sounds. You've downloaded the Science Hour from the BBC World Service with me, Roland Pease. |
| 0:39.9 | And the crowd science team will be wondering how future astronauts could survive the |
| 0:44.6 | eons involved in interstellar travel. |
| 0:47.6 | Tip one, try copying, hibernating hamsters. |
| 0:52.0 | They do age more slowly, and there have been papers that have described that phenomenon. |
| 0:57.6 | The hamsters that hibernate will live longer because using oxygen is what causes us to age. |
| 1:03.7 | Bodily shut down and interstellar travel. |
| 1:06.2 | The theme for crowd science in half an hour, if you can last that long. |
| 1:10.4 | Before that, science in action, |
| 1:12.0 | and I've been out dining on your behalf. And the global menu I've been sampling is a lot more |
| 1:16.7 | diverse than I'm normally used to. 80% of our plant-based calories nowadays come from only 12 species, |
| 1:25.9 | plant species. But really out there, there are many 12 species, plant species. |
| 1:30.8 | But really out there, there are many more species. |
| 1:35.2 | We have at least more than 5,000 that we can use for food. |
| 1:38.9 | A celebration of dinner diversity coming up. |
... |
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