From the first time I saw Blade Runner and heard Rutger Hauer’s Roy Batty describe “C-beams glittering in the dark near the Tannhäuser Gate,” I’ve wondered what it would be like to see beyond the ...

The ability to regenerate lost body parts has long captured human fascination. Many creatures out in nature can perform feats of repair that far surpass our own abilities. For example, salamanders can ...

Scientists in China have developed contact lenses that let wearers see light normally invisible to the human eye. Cooler still, the lenses work better through closed eyelids, and other versions could ...