According to results of professional group at Stony Brook University, US, electronic devices always affect a child's sleeping from 6-17 ages. Devices has light as calculator, phones, game machines will affect child's sleeping. At night, all devices s
Archeologists have just find a fossil set of bones of a great dinosaur in Argentina. His name is Dreadnoughtus schrani. "With size of a house, weight of elephants, long tail is used as weapon, Dreadnoughtus will not be scared anything."Lacovara said.
It is a tower in Japan. Its name is Burj Khalifa. It look like a needle, include 164 floors. Its height is 828 meter & 169 billion dollars. It is seen as symbol of country.
