Berly McCoy and Regina Barber of Short Wave talk about a hawk's clever hunting strategy, contacts that allow wearers to see infrared light, and how immunity varies during the day. It's time for our ...

It's time for our science news roundup from Short Wave, NPR's science podcast. And joining us this time are Regina Barber and Berly McCoy. Good to have you both here. BERLY MCCOY, BYLINE: Hey, Ari.

Light consists of individual particles that propagate in waves. The wavelength determines the color and energy of the light. The human eye can only perceive a small section of this spectrum, ...