
Ajit Pai @AjitPai
"During these deep, grub-hunting dives, the whale's heart rate see-sawed wildly, pumping as many as 34 times per minute at the surface and as few as just two beats per minute at the deepest depths—about 30% to 50% slower than the researchers expected." https://t.co/TcaMAnBDNn — PolitiTweet.org