A jury rules a prestigious venture capital firm did not discriminate against a female employee in a case that highlighted working conditions for women in California's Silicon Valley.

A California jury has found that a venture capital firm did not discriminate against a female employee in a closely watched case in Silicon Valley.

A light bulb made from graphene - said by its UK developers to be the first commercially viable consumer product using the super-strong carbon - is to go on sale later this year.

Apple CEO Tim Cook says he will give away most of his $800m (£537m) fortune to good causes before he dies.