Structure of sermatozoo        Brave & mighty rules earth.And that is also true in case of fertilizing an ovum ,of course in human.Millions of sperms rush to fertilize one ovum and one succeeds.Obviously  this is an arrangement by nature to have the fittest sperm take part in reproduction.Many a times male fails to fulfill the [...]

Image via Wikipedia A new research to know from saliva test about the premature birth.Before hand it was being searched to get cells for DNA sampling in forensic study. clipped from news.bbc.co.uk Saliva test for early birth risk A simple saliva test could help spot which expectant women are likely to go into premature labour, [...]