Why is airport food so expensive? The reasons you pay a massive markup on a water bottle are more complex than you might think.
These Sisters will make your Evil Siblings look like Angels.
Birthdays this weekend include free-market economist Milton Friedman’s (July 27): Here are some favorite quotes and short videos; and Beatrix Potter’s (July 28): in addition to Peter Rabbit et al, she produced some gorgeous botanical drawings.
Why It May Make Sense to Draw Eyes on Cows’ Butts.
ICYMI, most recent links are here, and include the Apollo 11 anniversary, early blacklisting in Hollywood, a laser that identifies people from a distance by heartbeat, and the anniversary of the 20th of July plot (the unsuccessful bomb attempt by insiders to kill Hitler in 1944).