Anyone who follows science and technology knows the frustration of deciphering articles on these subjects in the mainstream press. ... There are plenty of monthly magazines that give the straight dope on the important research and findings of the day, but what if you don't want to wait until the next edition of Science or Scientific American comes out? That's where ScienceDaily comes in.
Disparate groups of creatures, including bats, toothed whales, and birds, have evolved biological sonar that they use to track prey, but other creatures have evolved ways to detect this sonar and thereby increase their odds of survival.