Can we feed everyone?

CrowdScience listener Po wants to know whether AI could one day replace all human jobs. And while he requests that CrowdScience continues to be hosted by people, it made presenters Caroline Steel and Anand Jagatia wonder – could an AI really present this show? To find out more ab ...  Show more

CrowdScience listener Doug has been experimenting with holding his wireless garage key to his chin. Why? Because he's testing a strange trick of physics. The range of a key can apparently double when held against your head rather just being held in your hand. Could this really be ...  Show more

At least 30,000 of the 350,000 known plant species on our planet are edible, according to the United Nations' Food and Agriculture Organization, but only 170 species of plant are cultivated for food on a large scale. As climate change affects plant yields and disease threatens so ...  Show more

How farmers and scientists in eastern India are using ancient rice seeds to fight flooding, increasing soil salinity and drought. The BBC’s William Kremer tells Graihagh Jackson about his visit to the Sundarbans in West Bengal, where cyclones and rising sea levels have devastated ...  Show more

Switzerland has submitted a proposal to create a United Nations expert group on solar geoengineering to inform governments and stakeholders. The idea was discussed at the UN Environment Assembly in Nairobi, Kenya, this week. Professor Aarti Gupta shares how, after tense negotiati ...  Show more

Food is also what connects farming to human health and our natural environment. In this episode of The Science Behind Your Salad, we ask you to close your eyes and listen: the steady hum of bees, the deep boom of a rare bittern, and the people creating the future of the food on y ...  Show more