PBS
Solving the Wolverine Problem with Graph Coloring
At one time, Wolverine served on four different superhero teams. How did he do it? He may have used graph coloring.
Zach Star
Random things that will (likely) surprise you
Random things that will (likely) surprise you
Getty Images
Sudoku GA
Extreme close up dolly clip of a man’s hand starting to fill in a Sudoku puzzle in a newspaper. After a few numbers he get’s frustrated & crosses the whole thing out with his pen.
AFP News Agency
CLEAN : EU leaders arrive in Brussels for EU foreign policy summit
EU leaders for a foreign police summit to tackle disputes that threaten their huge coronavirus recovery package and weaken their ability to respond to crises on their borders with Turkey and Belarus (Footage by AFPTV via Getty Images)