Guinness World Record du jour: Watch this guy kick himself in the head 134 times in 1 minute.
The Radium Girls and the Generation that brushed its Teeth with Radioactive Toothpaste.
Kids staying in the shower too long? This Shower Liner Has Inflatable Spikes That Force a Person Out After Four Minutes.
ICYMI, Monday's links are here, and include the anniversary of the 20th of July plot, the unsuccessful bomb attempt to kill Hitler in 1944, the Alameda-Weehawken Burrito Tunnel, weather on other planets, scientists decide there are 4 kinds of drunks, and lots about Sharknado Week.