These truisms proved false in 2015

Brontosaurus is back, manipulating the speed of light and a warm-blooded fish

COUNTER INTELLIGENCE  Yes, Brontosaurus is a real dinosaur genus. No, the speed of light is not always constant. And, some fish are warm-blooded — sort of. 

Davide Bonadonna, Milan, Italy

Some truisms turned out to be false in 2015 — notably, Brontosaurus exists only in pop culture, the speed of light is always constant and fish are cold-blooded.