Programmable jewelry uses high school cliques to teach kids to code

How do you get teenage girls interested in coding? Simple, give them new ways to call out friends and enemies in social scenarios. At least, this seems to be the idea behind Jewelbots, a new line of programmable friendship bracelets that light up and vibrate when other Jewelbots are near. BFFs can assign one another […]

Rare African plant points the way to diamonds

Pandanus candelabrum’s role as a diamond spotter may sound unlikely, but this sort of indicator species has been known about for centuries. For example, the small Alpine plant Lychnis alpina has distinctive pink flowers and has been used since medieval times to find sources of copper. Modern analysis has since discovered that the species is […]