1.   All bomb dogs train regularly to keep their senses keen.

2.   Dogs trained to sniff for bombs searched luggage, trash bins and parked vehicles.

3.   Except for marijuana, the dogs do not train with real narcotics, only with synthetic scents because of the dangers of heroin and cocaine.

4.   In Lake County, Fla., the school board said a dog trained to sniff out guns and bombs would roam school hallways next year.

5.   The dogs train on a muddy field, sniffing suspects out of wood boxes and jumping over simulated fences.

6.   They look at profiles such as weight or wrapping and use dogs trained to sniff narcotics.

7.   Dogs trained to find people buried in avalanches joined in the hunt, and helicopters flew overhead to look for clues in the constantly shifting mass.

8.   Dogs trained to find people buried in avalanches joined in the search, and helicopters flew overhead to look for clues in the constantly shifting mass.

9.   Vehicles on the White House grounds are routinely checked by dogs trained to smell materials used in explosives.

10.   Ahead of them a pointer dog specially trained to work with birds of prey suddenly froze.