1.   The dog raised its nose in the air, sniffed, and then started to follow the scent.

2.   He crawled from print to print, sniffing at the earth, following the scent left in the tracks.

3.   A black bear apparently has followed the scent of the trout bait.

4.   But, really, all you have to do is follow the scent of coffee and the murmur of horse talk.

5.   Everyone is following the scent of money.

6.   Following the scent of a well-worn trail, a new creature is sniffing its way into the homes of pet owners.

7.   If a bitten mouse manages to stumble away a few feet before it dies, the snake follows its scent to find its dinner.

8.   In minutes, the hounds were following a scent, Cox said.

9.   The addicts, who are overwhelmingly male, inhale the fumes through a straw, sniffing at the curl of smoke like an excited hound following a scent.

10.   They used dogs trained to follow a scent.