A computer program, Dr. Fill, beat the human competition in the 2021 American Crossword Puzzle Tournament in just 49 seconds.
Here’s the quick and comforting cup of hope you’re looking for—inspiring educators share STEM lessons and tidbits of wisdom.
Researchers find public health measures likely stopped a second wave of disease under impossible circumstances.
Changes in how countries are diagnosing infection with the coronavirus can make shifting numbers difficult to interpret.