Why do politicians speak the way they do?
Scientists are to scan the Amazon forest with a drone-mounted laser to look for evidence of occupation by ancient civilisations.
When anonymous cards were hate mail
Could an algorithm help you find true love?
Wonderful winning photographs capturing the beauty of nature
President Poroshenko of Ukraine says a deal to end the war in the east is in "great danger" amid intense fighting ahead of Saturday night's ceasefire.
When Arvind Kejriwal tweeted a tribute to his wife with a picture of them hugging, he made a little history in India. The BBC's Rupa Jha reports.
US President Barack Obama has urged technology companies to give the government greater help to improve cyber security.
A former US soldier nicknamed Rambo who allegedly formed an international band of snipers as mercenaries confesses to a murder plot in New York.
Why Americans love a good police car chase - on live TV
Canadian police say they have foiled an imminent plot to carry out a mass shooting in the Halifax area and have made three arrests.
David Cameron asks a health adviser to review whether people with obesity or drug problems should have sickness benefits cut if they refuse treatment.
The UK's three main political leaders make a pledge to work together to combat climate change, whatever the election result.
Iceland's Asatru movement builds first temple
A rally is to be held in a bid to persuade Tesco to do a U-turn on its decision to close its Kirkcaldy superstore.
This year's Rio's carnival is witnessing a new trend with several groups parading on stilts for the first time.
Love is in the air on some front pages, as the press marks Valentine's Day by reporting the wedding plans of Sherlock Holmes star Benedict Cumberbatch.
Tim Sherwood, linked with the vacancy at Aston Villa, believes in his own ability, says Spurs academy coach Bradley Allen.
Tens of thousands are expected to watch anti-fraud activist Arvind Kejriwal's swearing-in as Delhi's chief minister, after his historic election win.
Fighting across Eastern Ukraine is showing no signs of letting up as the deadline for a planned ceasefire approaches.