Asian honey bees scream as they are being attacked by giant hornets, scientists have discovered. By recording acoustic signals from bees defending their nests from hornets, researchers were able to pinpoint an alarm signal akin to screams of fear.... ...Heather Mattila, from Wellesley College, Massachusetts, studies the organization of animal societies and insect communication. In December last year, she published a study showing that honey bees will use animal poop to defend their nests .. Mattila and colleagues have looked closer at what happens before and during an attack. They said hornets and honey bees appear locked in an "evolutionary...