History & Science
Get flash to fully experience Pearltrees
Chairman Mao's Underground City
In 1969, Chairman Mao commanded the construction of a second Beijing beneath the surface of the original city, designed to accommodate all six million of its then inhabitants, so that if nuclear war did kick off, folk would still have somewhere to hang out and play Mah Jong while the rest of us burnt to death in a shower of atomic rain.
These days the only things that land on Hashima Island are the shits of passing seagulls.
Battleship Island - Japan's rotting metropolis
Traders ready to change hange your trading. Develop a daily stock trading plan for action on the goal that will help your trading efforts Market trading swings When a trader undergoes an emotionally harrowing loss, many of the factors associated with that stock trade become associated with the emotional pain The market you are about to trade You should know which investment reports affect markets you trade and by how much, and you should know when they are coming out Research market.
World through children eyes
The Earth is very old -- 4.5 billion years or more according to recent estimates. Most of the evidence for an ancient Earth is contained in the rocks that form the Earth's crust.
Geologic Time: Graphical Representation of Geologic Time
The 2012 Summer Olympic Games will begin tomorrow, on July 27th in London, United Kingdom.