If you thought vaccinating the whole U.S. was hard, the challenges only grow on a worldwide scale.
The science of the “brazil nut effect” has implications from drug manufacturing to avalanche planning.
The Muldrow Glacier is moving 10-100 times faster than usual. Why is it moving so quickly?
A computer program, Dr. Fill, beat the human competition in the 2021 American Crossword Puzzle Tournament in just 49 seconds.