Lack of sex may be a health threat for people over 50, say scientists
What is the eye of the hurricane and how does it form?
Bacteria reporting
Antarctic ice melt could have major sea level contribution
Study suggests early humans hibernated to survive winter
Remarkable brain waves are detected in lab-grown mini-brains
The Rise of the Illuminati Order and Its Final Destiny
A new structure in human cells has been discovered
See the last images of the Rosetta probe, captured before collision with a comet
Top 25 world currencies
Rare twin elephants born in Kenya
Researchers discover 'giants' in 5,000-year-old graves in China
RNA formation in volcanic glass could explain the origin of life
