HEFEI, China — Scientists have solved two major limitations of human vision in one breakthrough: our inability to see in darkness and our blindness to infrared light. Newly developed contact lenses ...

Dragonflies can see deeper red light than humans and this discovery may help scientists develop better medical tools.

SYDNEY — The silhouette of a surfer paddling on their board looks remarkably like a seal from below, at least to a hungry Great White shark. But what if we could make that silhouette disappear? In a ...