Online trolls: Why they abuse celebs and how to combat it
Stars are targeted in the hope they will respond and spread the abusive message further, a report says.
How bacteria could make fashion more eco-friendly
A new process to dye clothes using bacteria could bring environmental benefits.
App that cancels subscriptions launches in UK
The virtual card automatically protects people from being charged at the end of a free trial period.
Casey Viner: Teenage US gamer jailed over deadly 911 hoax
Casey Viner, 19, ordered the prank call after an argument while playing Call of Duty.
The former soldier who aims to build a $50bn firm
Shachar Bialick says his special forces background drives his success in business.
Facebook removes altered Conservative advertisement
The Tories “misused” the platform when they changed the headline on a BBC News story, the company says.