Mayflies, after hatching and then spending one to three years developing as naiads, live less than one day as adults. The lifetime of mayflies usually begins in late afternoon. During this single day, they molt twice, mate...Read More

In a note in his diary Munch described his inspiration for the image thus: "I was walking along a path with two friends - the sun was setting - suddenly the sky turned blood red - I paused, feeling exhausted, and leaned on...Read More

Tuna can cruise up to 55 miles per hour, and they are constantly in motion. To keep this speed machine going, the tuna eats up to ten percent of its body weight daily. Depending on the variety, weights average from 10 ...Read More

Cultured Christmas trees must be shaped as they grow to produce fuller foliage. To slow the upward growth and to encourage branching, they are hand-clipped in each spring. Trees grown in the wild have sparser branches, and...Read More

In 1904, a Georgist Quaker, Lizzie Magie, patented a game called The Landlord's Game with the object of showing how rents enrich property owners and impoverish tenants. She knew that some people could find it hard to ...Read More

The early eating bars of chocolate were made of bittersweet chocolate. Milk chocolate was introduced in 1875 when Henry Nestle, a maker of evaporated milk and Daniel Peter, a chocolate maker, got together and invented milk...Read More