August 21, 2025
Only about 7 percent of all helium sold is used to fill party balloons. Three times more helium is used to cool MRI machines.
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7 Scary Surgical Instruments, Then and Now
Just thinking about scalpels, forceps, and shears is enough to make some people squeamish. But while the modern versions of those instruments are nothing to sneeze at, consider the surgical knives, gorgets, and trepans of centuries past. Those vintage tools were crude at best by modern standards,
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Aug 20
The U.S. national anthem was officially translated into what other language? -
Aug 19
Why is a penny attached to the Mars rover Curiosity? -
Aug 18
What part of animal anatomy was once banned from Mickey Mouse cartoons? -
Aug 17
Which city’s cabbies have to memorize more than 25,000 streets? -
Aug 16
Who is in both the baseball and basketball hall of fame? -
Aug 15
What unusual fuel goes into U.S. Army trucks? -
Aug 14
What unlikely animal is the crocodile closely related to? -
Aug 13
What notorious nude rite of passage was once required by all Ivy League schools? -
Aug 12
Why is tomato juice so popular on airplanes? -
Aug 11
Why was the first woman on a U.S. stamp a European monarch?