› added 9 years ago

230

TIL that scientists with the University of Rochester have figured out how to manipulate light into moving at what they think to be negative speeds.

Read more rochester.edu

via reddit.com

yRep TIL almost all major toothpaste brands contain sodium lauryl sulfate (also sodium dodecyl sulfate), an inexpensive lathering agent that is a known cause of canker sores.
BgXmK TIL of witch camps in Ghana where women accused of witchcraft flee to for safety. Some of these camps are over 100 years old
A4Yl TIL Michael Jackson got $2 for every Thriller album sold. Which was one of the highest royalty rates of that time.
x6kvo TIL that the right to form and to join trade unions is a universal human right as per the universal declaration of human rights.
694dJ TIL that the original record holders for the 1 mile run were all from the United Kingdom, from 1855 on. UK would hold the record for over 50 years, until it was finally broken by American John Paul Jones.