What the polls really mean for the future of Scotland
Scotland will vote "yes" to independence, according to two opinion polls – but analysing polling stats suggests the vote is balanced on a knife-edge
News
Humans
End of nations: Is there an alternative to countries?
Features
Humans
The fourth state of matter: Consciousness
Opinion
Humans
Too much, too young: Should schooling start at age 7?
Opinion
Health
Ohio to execute prisoner using untested drug combo
News
Technology
State of innovation: Busting the private-sector myth
Opinion
Technology
Citizen scientist: Out of the lab and onto the streets
Books & Arts
Earth
China aims to slash its air pollution by 2017
News
Technology
Nowhere to hide: The next manhunt will be crowdsourced
News
Health
Mood-sensing smartphone tells your shrink how you feel
An app that listens to your tone of voice to work out your state of mind aims to replace fallible "mood diaries", helping to treat conditions like depression
News
Earth
Taxpayers’ money keeps Japan’s whaling fleet afloat
News
Physics
If you want to be president, hire geeks not pundits
News
Health
US states vote to experiment with marijuana
News
Science may benefit from election despite fiscal cliff
News