Scientists produce ’world’s smallest Christmas card’

Beatles’ Abbey Road zebra crossing given listed status

Parisian luxury hotels mask city’s growing poverty

Space laser spies for woodpeckers

Swarm satellite mission to try to sense ocean magnetism

UAE hotel boasts ’most expensive Christmas tree ever’

Rare propaganda films of 1940s Britain released online

The decade’s top ten new species

Basketball rules hit record $4.3m at Sotheby’s auction

Wild food crop relatives to be ’rescued’