University of Alabama researchers tell the BBC that they've located 17 new pyramids, plus 1,000 tombs and more than 3,000 ancient Egyptian settlements.
According to population numbers released by the United Nations in May of 2011, Earth's human population will cross the seven billion mark on October 31 of 2011.
Charles Darwin might have picked up a parasite on that trip that left him with the chronic digestive problems which he was known to suffer later in his life.
Previously hard to get, an astrocytes can now be grown in the billions and trillions from a single stem cell, enabling lab studies on neurological conditions.
What is a human world? When the first images of Earth were returned from space, we all realized that we live on a water planet. We and the Earth are linked.