Scientific American: Are Dogs Funnier Than Cats?
Why Firewood is Measured in Cords and the Origin of Other Odd Units of Measurement.
The history of men's underwear.
Excellent gallery of early science labs. Somewhat related: here's Francis Crick's letter to his 12 yr old son describing his and James Watson's discovery of DNA.
17 Offbeat Holidays You Can Celebrate in May.
10 Incredible Camouflaged Animals.