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Humans

Tam Dalyell on the battle over greenhouse gas levels and why even the Brits need UV standards for hats

Humans

Humans

Humans

Humans

Humans

Humans

Humans

Humans

Humans

Andreas Frew on doubts over diesel's cleanliness, whether cloning should be allowed in any form and why microbiologists are up in arms

Humans

Humans

Humans

Humans