If you are a ham radio operator of a certain age, you probably remember ads for “The Instructograph,” a mechanical device for learning Morse code. [Our Own Devices] has an ancient specimen of the ...

Dot.” “Dash.” Short pulse, long pulse. Humans invented Morse code as a way to communicate using electrical signals. Now, bees ...

Conventional wisdom holds that the best way to learn a new language is immersion: just throw someone into a situation where they have no choice, and they’ll learn by context. Militaries use immersion ...

In a first-of-its-kind study, scientists found that bumblebees can tell the difference between short and long light flashes, ...