Sniffing out crime

Travel through most large railway stations and airports and you can't miss the teams of detection dogs and their handlers. Since 9/11 sniffer dogs are increasingly being used in the name of crime fighting and security. The canine sense of smell is a thousand times more powerful than ours. But how can these animals be trained to smell a counterfeit banknote from a stash of real ones, detect a gram of cocaine in a package of flour, or find a body that’s been buried for decades? Sue Broom finds out in Sniffing Out Crime.

27 minutes

Last on

Thu 26 Mar 2009 01:32 GMT

The Curious Cases of Rutherford and Fry

The Curious Cases of Rutherford and Fry

A pair of scientific sleuths answer your perplexing questions. Ask them anything!