Discovery on mobile phones of microbes commonly found on people's bodies opens up potential for gadget's use as sensors.
With UN talks in Warsaw producing little but hot air, what can be done to end the inaction on green issues?
Six Green groups leave climate negotiations in Warsaw, saying the meeting failed to deliver.
Almost 90 percent of the country's electricity comes from the burning of coal, but can it be kinder to the environment?
Scientists predict disturbing future for the Earth, saying by 2100 the oceans will be between 26 and 97cm higher.