Why does hair pulling hurt? Blame your myelinated nociceptors Feedback explores the painstaking science of hair-pulling, and learns that experts have discovered that its effects can range from "hot-burning" to "aching" Regulars
Can we live on worms alone? Probably not, find scientists Feedback digs into a study on whether earthworms might provide the nutritional answer in the case of a global famine, and discovers a can of worms Regulars