In the past 18 months we have heard lots about the human immune system, as we all learn about how our bodies fight off Covid-19 and how the vaccine helps protect us. But this got listener John, in Alberta, Canada, thinking about how trees and plants respond to diseases and threats. Do they have immune systems and if so, how do they work? Do they have memorie ... Show More
Aug 15
How long does light last?
When listener Rob from Devon, UK, heard of a newly detected planet light years away, he was struck by the sheer scale the light must travel to reach us here on Earth. It got him wondering: How long does light last? What’s the oldest light we’ve ever observed? And does light ever ... Show More
26m 29s
Aug 8
Can we stop the rain?
CrowdScience listener Rit, from Pune in India, is staring out of his window at the falling rain. It’s been pouring for four days now, and shows no sign of stopping. The laundry is piling up, all his shoes are wet, and he’s worried about the effect it’s having on the environment, ... Show More
32m 21s
Oct 2021
Drug resistant malaria found in East Africa
Since their discovery in the 1970s, artemisinin-based drugs have become the mainstay of treatment for malaria caused by the Plasmodium falciparum parasite. Researchers have identified artemisinin-resistant malaria parasites in Southeast Asia since the early 2000s, but now, there ... Show More
1h 1m
Jan 2022
Are western lifestyles causing a rise in autoimmune diseases?
Could the food we eat and the air we breathe be damaging our immune systems? The number of people with autoimmune diseases, from rheumatoid arthritis to type 1 diabetes, began to increase around 40 years ago in the west. Now, some are also emerging in countries that had never see ... Show More
11m 24s
Jun 2021
Cov-Boost trial; SARS-Cov 2 infection in action; sapling guards; why tadpoles are dying
Scientists are now looking at the question of third doses of vaccines against SARS-Cov2, and this week the Cov-Boost trial was launched. It’s being run from University of Southampton and is going to be using seven different vaccines, some at half doses, in people over the age of ... Show More
30m 22s
Aug 2018
Capturing greenhouse gas, Beating heart failure with beetroot, Why elephants don't get cancer, Exactly - a history of precision
Researchers have found a way to produce a naturally occurring mineral, magnesite, in a lab, that can absorb CO2 from the atmosphere, offering a potential strategy for tackling climate change. They've accelerated a process that normally takes thousands of years to a matter of days ... Show More
28m 1s
May 2023
What happens when the immune system doesn't function
Right this second, your immune system is protecting you from all the many potential bugs and foreign particles that can make you sick – bacteria, viruses, fungi, pollen, even food. When you’re healthy, you don’t realise how much work your immune system is doing to keep these nast ... Show More
12m 32s
May 2024
Vaccines, squirrels with leprosy, and exoplanet atmospheres
In the news pod, the nanotechnology enabling the production of a new vaccine to immunise against future coronaviruses. Then, how we can use psychedelic treatments without giving patients an unwanted trip, and how it was discovered that squirrels and humans were both living with l ... Show More
33m 8s