The following are some popular and not-so-popular methods to train a dog to lie down on command.Once the dog gets good at this, the handler can start gradually fading the “L” hand signal and train the dog to obey to a verbal command.

You can figure it out at home with the 5Strands Pet Food & Environmental Intolerance Test , which is on sale now.Help make your pet's life better with the 5Strands Pet Food & Environmental Intolerance Test .

Getty ImagesResearchers have created a better way of determining how to compare the ages of people and their four-legged friends .Trending stories,celebrity news and all the best of TODAY.“Since the two species don’t age at the same rate over their lifespans, it turns out it’s not a perfectly linear comparison, as the 1:7 years rule-of-thumb would suggest,” reads a press release on the study.