Labour’s persistent failure to address its electorate’s salient concerns is behind the protest vote, asserts DIANE ABBOTT
FLEAS are flightless parasitic insects that live from drinking the blood of animal hosts. They can jump huge distances using their powerful back legs, allowing them to transfer between hosts.
Many species of flea are named after a specific host, such as the “cat flea” (Ctenocephalides felis), but are in fact capable of feeding on several different animals.
As one of the Science and Society authors recently found out from moving into a new house, fleas lurk in carpets and soft furnishings while waiting for a new host. Once bitten, the host will have itchy, red bites.
New research into mutations in sperm helps us better understand why they occur, while debunking a few myths in the process, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT
ALEX DITTRICH hitches a ride on a jaw-dropping tour of the parasite world
A maverick’s self-inflicted snake bites could unlock breakthrough treatments – but they also reveal deeper tensions between noble scientific curiosity and cold corporate callousness, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT



