Cover Story

Masters of Light: The Science Behind Nature’s Brightest Colors

Many of nature’s most brilliant colors arise not from pigments, but from curious tricks of light. From the brilliant blue of a morpho butterfly to a beetle’s iridescent emerald, structural colors continue to mystify physicists and biologists. A recently unearthed beetle fossil sheds light on the evolution of these spectacular colors.

Read More »

Good Morning, Mr. Keepon

Professor Brian Scassellati and Daniel Leyzberg of the Yale Social Robotics Lab have discovered that receiving personalized instruction from a robot can be comparable to receiving personalized instruction from a human tutor.

Read More »

Metal Fever

Are we running out of metals in this digital era? According to scientists at the Yale Center for Industrial Ecology, not exactly – but that’s not actually the important question.

Read More »