Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles, you'll see a variety of tints glisten, causing you to question what color ...

Arash Ghaemi hopes one day CrimeOwl will have its big break in solving a case, and maybe — just maybe — it will help figure ...

From adaptive wearables to light-based signaling ideas, researchers are exploring what comes next The feathers of a ...