In 1943, the Smith, Kline and French pharmaceutical company added hot pepper extract to Benzedrine, its popular decongestant inhaler. The fiery taste of capsaicin, the compound responsible for the ...
When you consider how babies are made, you bump up against a basic math problem. No need for calculus here, or even the mental gymnastics of carrying the one. It鈥檚 a problem of doubling.
If you have ever written anything on a chalkboard, you know the powdery feeling left on your hands after holding a piece of chalk. While that residue may feel annoying when you try to go on with...
Black, white, and orange 鈥� the signature colours of a calico cat. Subtract the white and you鈥檝e got tortoise shell colouring. But there is gender colour discrimination at play: calico and tortoise...
In 1862, over 6 million visitors flocked to the 鈥淕reat London Exposition鈥� where they were astounded by the electric telegraph, watched an early refrigerator make ice, gawked at Charles Babbage鈥檚 ...
