For thousands of years, people have studied themselves. Here are 9 new discoveries about ourselves in 2009:
In the past year, astronomers have found water on the moon and discovered the most distant target, at the same time the amount of cosmic radiation reached a record high.
The following are the 10 most positive imprints of the world environment in 2009 according to the poll of National Geographic magazine.
The python swallowed the dog weighing 5.8kg; Heron knocks a large turtle; Mantis mites frog legs ... are the most impressive mutual carnivorous scenes in the animal world last
Glowing frogs, riding cars, monkeys riding dogs are funny pictures of animals in newspapers in 2009.
The halo in the Norwegian sky, the face of people crying on ice, the self-moving rock in the Death Valley are the most popular images this year.
Admire the best images of the weather in 2009. These are pictures of rainbows, storms, thunder, snow and ice, ...
Here are the interesting news about the animal world this year voted by the Guardian (UK).
Hundreds of stars glowing blue, wheel galaxies, butterfly-shaped nebulae are the most beautiful cosmic photos this year.
2009 is a year