1.   Bomb sniffing dogs searched the Science Center as the Microsoft king droned on with his marketing message.

2.   In New River, bomb sniffing dogs patroled the halls.

3.   In the wake of the Oklahoma City bombing and the Kobe earthquake, sniffing dogs have become a common sight on television.

4.   Rescue workers, relying on sniffing dogs and sounding probes, dug through the night seeking signs of life.

5.   They are like sniffing dogs that have been given a whiff of a scent and are taught to disregard everything else.

6.   A drug sniffing dog found about two grams of what was believed to be marijuana and a pipe inside the car.

7.   Bomb sniffing dogs patrol check-in counters.

8.   Bomb sniffing dogs search the tents every morning and extra security cameras have been installed.

9.   Bomb sniffing dogs search the tents every morning and extra security cameras have beend installed.

10.   Bomb sniffing dogs have also been deployed at the airport, hotels and the stadium.