Can we feed everyone?

“What separates humans from animals, is an interest in the past”. That’s a 900-year-old quote from a textbook that Nigerian listener Taiwo came across, and he wrote to CrowdScience to ask if modern science would agree. Most of us spend time thinking about the past, whether it’s n ...  Show more

CrowdScience listener Rachel uses Bluetooth headphones on her cycle to work, seamlessly playing music from her phone without using wires. But how does this technology send information through the air? To find out, Rachel and presenter Caroline Steel travel to Cambridge in the UK ...  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