Christopher Columbus was an European explorer and trader who by coincidence discovered America in the 15th Century. Check your knowledge and build up your Dreevoo profile.
"It's not everyday you wake up and learn something completely new about the early universe." This really is an incredible discovery, a whole new era in physics and cosmology.
Yes you read it right, Heather Dewey-Hagborg makes 3D portraits from the DNA collected from objects like cigarette butts or chewing gums she picks from sidewalks, tossed away by strangers.
Russia was first in space, the United States was the first on the moon and Japan will now be the first nation to send a robot-astronaut to space that can communicate with humans.
The Inca Empire or Inka Empire was the largest empire in South America. It was the last sovereign political entity that emerged from the Andean civilizations before conquest by Spaniards.