Gautam Gambhir's century helps India reach 179-1 before bad light stops play on day one of the second Test against England in Mohali.

BBC Middle East correspondent Tim Franks sends the latest edition of his diary.

The number of puffins at on the East Yorkshire coast is in decline, according to the RSPB.

A bird warden records evidence that the the UK's smallest seabird has colonised a Welsh island.

A snail species from the Mediterranean is found in the UK at historic Cliveden House.

A British climber who sparked a rescue effort when he left equipment on Mount Blanc claims he told authorities he was safe.

An attempt to retrace an explorer's route across Greenland's ice cap is to be done at night.

BBC News looks at the gang culture and postcode disputes that led to the fatal stabbing of teenager Paul Erhahon.

The annual mass spawning of corals on the Palau archipelago in the western Pacific occurs right on cue.

Evidence from alleged anti-terror police operations Seagram and Overt is due to be heard in forthcoming court trials. How do police operations get such odd codenames?

What is life like as a terrorist suspect? Cerie Bullivant is the first man to walk free from a control order and spoke exclusively to the BBC, saying he is not the man the security services say he is

US stocks see the biggest gains in five years after the world's largest central banks act to calm jittery credit markets.

The BBC's Martin Redfern is spending a month in the Antarctic reporting on International Polar Year.

Grants are helping conservationists to look after willow trees which provide vital homes and food for wildlife.

Jeremy Paxman is named presenter of the year at the Royal Television Society's journalism awards.

Thorough cleaning used to be about soap and water but the government's hospital "deep clean" is all about cavitation and sound waves. So how can you apply the latest technology to your work desk?

The body has been found of an Irish backpacker missing in South America since 18 November.

BBC security correspondent Gordon Corera examines the shadowy world of Britain's security services, forced into radical change after 9/11.

Two girls survive a 75ft fall after their car went over the cliffs close to a Jersey beauty spot.

A teenager is rescued after falling and becoming wedged in a crevice of a cliff.