Monday links

This 1968 memo to Gene Roddenberry about William Shatner's disappearing wigs from the Star Trek set is a hoot, plus bonus Monty Python/Star Trek mashup.

15 Non-Sex Uses For Condoms.

Photos Of Boys Who Became The Rolling Stones

The Suez Canal opened on November 17, 1869.

A Boat Trip through the Paris Sewer.

A Cockroach Can Bite With a Force 50 Times Its Body Weight.

ICYMI, Friday's links are here, and include lots of paraskavedekatriaphobia (fear of Friday the 13th) information, living next door to Area 51, an 133 MPH lawnmower, the physics of TIE fighter formations, and the (unfortunately defunct) 1950s U.S. Army program that put price tags on equipment.