At this year's TED conference Bill Gates discussed the importance of eliminating CO2 emissions, bringing out a jar of fireflies as an example of a living "energy miracle". Now you can watch Gates's entire talk - bugs and all - online. [TED]
Watch Bill Gates' Firefly-Enhanced TED Talk Online
Trending Stories Right Now
Science fiction and fantasy offer a rich legacy of great books - but that abundant pile of reading material can also be daunting. So sometimes, it's easier to fake it. We asked some of our favourite writers, and they told us the 10 books that everyone pretends to have read. And why you should actually read them.
Someone seems to have accidentally pressed a wrong button at Samsung. On Thursday Galaxy users from around the world received a mysterious '1' message on their devices. Samsung has since addressed the incident and said there's nothing to worry about.