Eight-day-old twin girls who were joined at the liver and chest are successfully separated by doctors in Switzerland.
The venom of a wasp native to Brazil could be used as a weapon to fight cancer, scientists believe.
The sperm of all 18-year-olds should be frozen for use in later life because of the risks attached with being an older father, a UK bioethicist argues.
Eight-day-old twin girls who were joined at the liver and chest are successfully separated by doctors in Switzerland.
The venom of a wasp native to Brazil could be used as a weapon to fight cancer, scientists believe.
The sperm of all 18-year-olds should be frozen for use in later life because of the risks attached with being an older father, a UK bioethicist argues.