The world population reached seven billion Oct. 31, according to the United Nations.
Conservationists declared the Javan Rhino officially extinct in Vietnam. Only 50 are left in the world.
Researchers report that a gorging python can expand its heart with the combination of three fatty acids. This finding could help researchers develop new ways of treating human heart disease.
Scientists in Germany found that the brain is activated similarly when people dream and when they perform real actions.
Scientists believe they have discovered the most efficient catalyst to date by splitting oxygen atoms from water. They hope to apply it to future energy storage use.
Researchers have collected data suggesting that a white blood cell response could be the reason women have high blood pressure during pregnancy.
-compiled by Faiza Arif and Adnin Zaman