New Alaskan butterfly with antifreeze in its blood tells tales about climate change

A newly identified Alaskan butterfly, which is thought to be a hybrid of two ancient species that possibly mated prior to the last ice age, could be a valuable messenger for scientists studying climate change, according to a leading lepidopterist (butterfly boffin). But that’s not its only trick. Butterflies are cold-blooded creatures (although they have … Continued