researchers at the university of surrey are looking for volunteers to help them assess if crickets really can meet our dietary needs. sean killick has been to find out more. in some parts of the world, they're quite popular to eat. but, funnily, they've never caught on here — which is a shame, because insects are a good source of protein. so people have begun to farm them. typically, they're frozen, boiled, dried, and turned into an insect—based flour, which can be added to foods such as pasta, bread or cakes. now, at the university of surrey, they're going to test volunteers who've eaten muffins made with powdered crickets to check the nutritional intake of what they say is a more environmentally friendly food source. but is the question less one that's environmental or nutritional, and maybe more cultural? people are reluctant to eat something with six legs and antennae, so that was one of the reasons why we made our muffin. if i wouldn't tell you it has insects in it, you wouldn't know, so that might help people get over reluctance to try it. because when they then try it and go, "