Forgotten in the flap over whether a design change will cost 1 World Trade Center its status as the nation’s tallest building is the loss of a symbolic New York gesture. A flashing light — or ...

Bumblebees can learn to understand a simple kind of Morse code and differentiate between long and short light flashes, according to a new study. Researchers have shown for the first time that the ...

Flashlight fish have the ability to generate situation-specific blink patterns resembling a visual Morse code. Researchers have shown in laboratory and field experiments that the animals use these ...