Solved!  Mystery Of How DNA Strands Separate

Solved! Mystery Of How DNA Strands Separate

Cornell researchers have answered a fundamental question about how two strands of DNA, known as a double helix, separate to start a process called replication, in which genes copy themselves. The…
First Test Tube Baby From Frozen Egg Born

First Test Tube Baby From Frozen Egg Born

The first baby to be created from an egg that had been matured in the laboratory, frozen, thawed and then fertilised, has been born in Canada. Three other women are pregnant by the same process. The…