There are over 400,000 species of plant on earth, they’re on every continent including Antarctica. But humans only regularly eat about 200 species globally, with the vast majority of our nutrition coming from just three species. Many of the fruits, leaves and tubers that other plants grow are packed full of toxins that are poisonous to us, and would make us ... 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
May 2021
What's the appetite for gene edited food?
Gene editing could revolutionise agriculture, with some scientists promising healthier and more productive crops and animals, but will consumers want to eat them? With the first gene edited crops recently approved for sale, Emily Thomas hears why this technology might be quicker, ... Show More
36m 7s
Jun 2019
Global Food Security, Reactive Use-By Labels, Origins of the Potato
On the day that the UK government launches a year long “food-to-Fork” review of food production in the UK, we present a food themed special edition.Global Food Security
Maia Elliot is an analyst and writer for Global Food Security, who recently held a competition for young food r ... Show More
32m 8s