LifeMonarch butterflies' big white spots help them fly better The big white spots seen on the wings of migratory monarch butterflies may have evolved to help them fly more efficiently on their long, hot journeys News
LifeBison lick each other's wounds after a traumatic experience Communal wound licking has been documented in a hoofed mammal for the first time. American bison may use the behaviour to boost social connections and reduce stress News