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DNA's killer application

Danny Hillis, computer theorist and co-founder, Applied Inventions

Daisy Tam Dic-sze, an academic in Hong Kong, decided to develop a crowdsourcing application last year to help solve one of the city's biggest problems - food waste. The Breadline app connects bakeries with volunteers to collect leftover bread for charity groups.

DPRK leader Kim Jong-un visited the Chinese Embassy in Pyongyang on Monday morning to express his condolences over a bus accident in which 32 Chinese tourists died.

Dan Gregoria, meteorologist with the National Weather Service in San Diego, told the Los Angeles Times that strong winds "combined with the really dry air; that's why it's creating these critical fire conditions and this fast-spreading wildfire".