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Technology

Concrete roads steel themselves to last longer

Britain pussyfoots on pet passports

Humming horse puzzles vets

Roads to the Abattoir

There was an old woman who swallowed a fly …

Hunting the Horse Killer

Technology

Flower bulbs slow brain disease

Life

Miners at the holly face

Environment

Taiwan's tragic orang-utans

It's a Dog's Life: Most of the 500 dog breeds round the world are affected by at least one genetic disease; how DNA mapping might help

Battle for Brazilian mahogany: One of the world's most beautiful woods could disappear from the market within 15 years, say forestry scientists, the latest attempt to impose strict controls on logging

Wildlife's road to nowhere?: Corridors connecting fragmented islands of natural habitat are all the rage. John Bonner asks whether they are routes to survival for threatened species or expensive dead ends