Most Active Stories
Wed April 23, 2014
What Spooked The Subs Of The '60s? Quacking Whales
Originally published on Wed April 23, 2014 7:21 pm
In the '60s, submarines picked up a mysterious quacking sound in the Southern Ocean. This "bio-duck," as it came to be known, has been heard on and off ever since, but scientists haven't been able to trace it — until now. New research shows that the quack is coming from minke whales, but researchers still don't know why.