A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

In his cozy workshop behind his D.C. home, contemporary kumiko craftsman David Gootnick, a Craft Show featured artist, uses the raw material of his practice: a five-foot-long, two-inch-thick plank of ...

Micro decisions can have macro consequences. A soft matter physicist reveals how interactions within simple cellular ...