Sex increases heart complications for older men, study finds.
Is Hawaii losing its iconic birds?
Humpback whale numbers have been increasing, thanks to the stop of whaling and other precautions.
Obama's Climate Action being backed by enemies of climate change
UK to ban microbeads in 2017 despite company protests.
China says giant pandas are still endangered, despite reports claiming otherwise.
Learning foreign languages as a child can help one's brain work faster, according to new study.
Biggest superpowers in the world finally accepts that climate change is real.
Mary Rose, King Henry VIII's doomed warship can now be examined in 3D online.
Pregnant women should not get diagnostic ultrasound in the first trimester, according to new research.
Smoking cannabis can make you lazy, but not for a long time.
Elephants are already endangered, but their numbers are further threatened by the fact that their population increase is too slow.