'Sparks fly' when egg meets sperm

A new study has revealed that a fertilized mammalian egg releases from its surface billions of zinc atoms in "zinc sparks," one wave after another.

Single protein behind successful fertilisation

An international team of researchers has discovered how a single protein oversees the processing of DNA during sperm and egg generation for successful fertilisation.

'Ancient fish pioneered penetrative sex'

Sexual intercourse was pioneered by a group of unsightly, long-extinct fish about 385 million years ago in Scotland, Australian scientists have reported.

Synthetic sperm protein to treat male infertility

In a new hope for couples affected by infertility, researchers have come up with a method for treating male infertility using a synthetic version of the sperm-originated protein known as PAWP.

Fertility clinic in Japan uses sperm from kins in IVF

To help married couples conceive, a fertility clinic in central Japan has been conducting in-vitro fertilisation (IVF) using sperms from close relatives, including father of the husbands, resulting in 118 babies between 1996 and 2013.

Sperm cells `extremely efficient at swimming against current`

Researchers have said that sperm cells are extremely efficient at swimming against the current.

Oh baby! Scientists find protein that lets egg and sperm hook up

Fertilization takes place when an egg cell and a sperm cell recognize one another and fuse to form an embryo. But how they recognize each other in order to hook up had remained a mystery.

Gene which binds egg to sperm `discovered`

Here`s some good news for infertile couples worldwide -- scientists claim to have discovered a new gene which could enable male sperm to bind to a female egg, a process essential to fertilisation.

Gene which binds egg to sperm `discovered`

Here`s some good news for infertile couples worldwide -- scientists claim to have discovered a new gene which could enable male sperm to bind to a female egg, a process essential to fertilisation.

Thank parasites for the joys of sex!

The theory holds that sex evolved because it lets organisms reshuffle their genes into new combinations to stay a step ahead of parasites.

Thank parasites for the joys of sex!

The theory holds that sex evolved because it lets organisms reshuffle their genes into new combinations to stay a step ahead of parasites.