May 23, 2026
The modern safety pin was created in 1849 by Walter Hunt to satisfy a $15 debt. He sold the patent for $400, which satisfied his debt but caused him to miss out on a fortune in safety pin revenue. (That must have hurt.)
ONE GOOD LINK
BRITANNICA.COM
10 Inventions That Changed Your World
You may think you can’t live without your tablet computer and your cordless electric drill, but what about the inventions that came before them? Humans have been innovating since the dawn of time to get us to where we are today. Here are just 10 of the hundreds of inventions that profoundly changed
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May 22
What is a "leap second"? -
May 21
What causes "lunar hay fever"? -
May 20
How did a fish's mating ritual baffle scientists? -
May 19
Why did ancient Romans purposefully stand on electric fish? -
May 18
How does the number of Americans with a college degree compare to those with criminal records? -
May 17
When did Europeans first sail around the southern coast of Africa? -
May 16
What happens to the Moon when you travel past the Equator? -
May 15
What famous author loves the song "Mambo No. 5" a little too much? -
May 14
What "rare" animal isn't all that rare? -
May 13
Why did people once dunk frogs in their milk?