Columbo, eat your heart out: A team of scientists has just solved a massive marine murder mystery, nabbing the culprit behind the deaths of billions of sea stars over the past decade. In a new study, researchers in the U.S. and Canada argue that the bacterial cousin of cholera is behind the epidemic. Through a series of experiments involving both...
Every spring in the Southern Hemisphere, Bogong moths migrate up to 621 miles (1,000 kilometers) from southeast Australia to spend the summer in cool caves in the Australian Alps. At the beginning of the fall, they fly back to their breeding grounds and die. Each moth undertakes the two-way journey only once in its life—so how does it know where...
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