Where on Earth do these extraterrestrial toadstool trees grow?

The Socotra archipelago is an isolated island chain in the Indian Ocean. One-third of the flora on Socotra grows nowhere else on the planet, including these curious dragon's blood trees (Dracaena cinnabari). » 10/13/10 11:35am 10/13/10 11:35am

How seabird excrement paved the way for American imperial expansion

In 1856, seabird guano was an in-demand fertilizer, so the the United States Congress passed The Guano Islands Act. This legislation was a precursor to American imperialism, as it allowed citizens to claim bird-crap-covered islands in the USA's name. » 10/10/10 1:00pm 10/10/10 1:00pm