Author: EasyReadHeadlines.com

The Finnish Defense Forces sent out an urgent message: We are being invaded. We need help.Hundreds of American troops — part of a new Arctic division — boarded planes in Fairbanks, Alaska. Their flight curved over the North Pole and landed at Rovaniemi Airport, in northern Finland. The soldiers quickly unpacked their M-4 assault rifles, rocket tubes and belt-fed machine guns and deployed to the quiet snowbound forests, dressed in Arctic whites and vaporproof boots.This was all just a drill, launched in mid-February. But the scenario is believed to be increasingly possible. As climate change melts ice across the Arctic,…

The first bat-wearable microphone is helping biologists study the bats’ good safety record at avoiding collisions in rush hour air. On summer evenings, in around a minute, some 2,000 greater mouse-tailed bats can crowd out of a cave opening only about three meters square in Israel’s Hula Valley, says neuroecologist Yossi Yovel of Tel Aviv University. From a distance, their emergence looks like “a plume of smoke,” he says. He and colleagues have now studied the echolocation chirps that let Rhinopoma microphyllum bats detect obstacles, including each other. In the crowded flight, signals from one bat often partially mask a…