Earth
Walrus made from human skin appears in its first public photo
The controversial sculpture made from human and animal materials was created to raise awareness of Arctic oil drilling
Regulars
Humans
Oldest hand hints we came down from trees earlier than thought
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Environment
Ancient DNA suggests dogs split from wolves 40,000 years ago
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Health
Young blood helps repair fractured bones of ageing mice
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Health
Knuckle cracking caught on film for the first time
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Environment
Baboon bone found in famous Lucy skeleton
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Humans
Red Lady cave burial reveals Stone Age secrets
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Environment
Stunning fossils: Fish catches fish-catching pterosaur
Features
Health
Cancer-warped skeletons imagined for building design
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Environment
Polar bear penis bone may be weakened by pollution
The baculum, a bone in the penis of polar bears, is losing density in areas where pollutant contamination is high 鈥� and that may spoil the bears' sex life
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Earth
Polar bear penis bone may be weakened by pollution
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Humans
2015 preview: Meet more of your long-lost cousins
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Humans
Bone bonanza: Chamber of secrets yields human remains
Features
Health
Bone drug goes after calcium in breast tumours
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