Did You Know?
The principles of vaccination were discovered through milkmaids’ resistance to smallpox.
Edward Jenner noticed that milkmaids who contracted cowpox didn't get smallpox. This observation led to the development of vaccination, though the connection was initially dismissed by the medical establishment.
Did You Know?
The first photograph was created when Joseph Nicéphore Niépce left a pewter plate in sunlight.
In 1826, Niépce created the first permanent photograph by accident when he left a pewter plate coated with...
Did You Know?
Iodine was discovered in seaweed ash being used to treat goiter.
In 1811, Bernard Courtois discovered iodine while extracting sodium and potassium compounds from seaweed ash. This accidental discovery...
Did You Know?
Post-it Notes were created when an attempt to make super-strong adhesive failed.
In 1968, Spencer Silver at 3M accidentally created an adhesive that was pressure-sensitive and reusable instead of super-strong....