Hummingbirds Live an Extreme Lifestyle Thriving on All Sugar Diet That Would Put Us in a Coma

(Originally published by Knowable Magazine—Written by Bob Holmes) Everyone loves to watch hummingbirds—tiny, brightly colored blurs that dart about, hovering at flowers and pugnaciously defending their ownership of a feeder. But to the scientists who study them, hummingbirds offer much more than an entertaining spectacle. Their small size and blazing metabolism mean…

Read more