United States Virginia change
Sri Lanka Breaking News
Sri Lanka parliament
vivalankaSri Lanka newsSri Lanka businessSri Lanka sportsSri Lanka technologySri Lanka travelSri Lanka videosSri Lanka eventssinhala newstamil newsSri Lanka business directory
vivalanka advertising
Stay Connected
Popular Searches
T20 World Cup
Sponsored Links
Sri Lanka Explorer

Neanderthal sex boost to immunity

Aug 26, 2011 7:15:33 AM - bbc.co.uk
Sexual relations between ancient humans and their evolutionary cousins were critical in boosting our modern immune systems, say scientists.