American cosmologist Lisa Randall is suggesting that dark matter may have played a key role in the extinction of dinosaurs,
http://www.hngn.com/articles/159615/20151212/dark-matter-dinosaurs-new-theory-suggests-origin-extinction.htm
...fer da life of me I can't imagine why a beautician would know anythig about dark matter or dinosaurs.

Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!