Reindeer drink urine because salt is rare in their harsh climate. In fact, when Siberian sled masters want to gather their reindeer to hook up to the sled, they urinate to attract the reindeer. | The Great Pyramid of Giza is the oldest of the Ancient Wonders of the World and the last one that remains largely intact. Enjoy more pyramid facts or learn about the Ancient Egyptian pyramids. | Around three quarters of the increase in CO2 levels from human activity over the last 20 years is from the burning of fossil fuels. The rest is made up largely of land use changes such as deforestation. | Beetles taste like apples, wasps like pine nuts, and worms like fried bacon. | In 1908, the first lollipop-making machine started in New Haven, CT.

A year from now you will wish you had started today.