How do bird nests stay together? Researchers unravel entanglement between stiff, straight rods
The concept of constructing a self-supporting structure made of rods—without the use of nails, ropes, or glue—dates back to ...
Mathematicians Wrote a Proof for a 100-Year-Old Problem—and May Have Just Changed Geometry
The Kakeya set—named for its discoverer Sōichi Kakeya—was complicated by a subsequent mathematician named Abram Samoilovitch ...