A Dog’s Sense of Hearing or Smell Teaches Man a Valuable Lesson

Workers at a hydrofracking pad had a dog routinely visit the site, and one day the dog alerted them to a leak. The workers did not smell the leak or hear the leak; the dog’s hearing and smell was the reason the leak was detected. Should all sites use trained dogs to detect leaks? Watch this five-minute fact to find out...

• Drew Walts
• IRISS