— Dogs do have sweat glands, but panting is their main source of stress and heat relief.
— A dog's estrous cycle is different from the human menstrual cycle -- here's how.
— We chat with "Animal Madness" author Laurel Braitman about canine mental health.
— Brain activity during sleep suggests dogs do dream, but what dogs dream about is less certain.
— We didn't understand status codes until someone added dogs to them. Now we're full-on geeks.
— The dog has one of the best scenting noses in the natural world -- let's go inside and find out why.
— This Sunday, an Italian medical team reported that two dogs had a 98% accuracy rate in detecting urine samples from prostate cancer patients.
— CleverPet is an electronic dog game that rewards your dog with kibble for being crafty.
— Researchers have found a link between paw preference and performance. Here's how it works.
— Heterochromia iridum makes eyes different colors, and it affects more dogs than humans. Do you have a pup like the ones in these pictures?
— Merles are popular, so it seems logical to breed two merles together to get more. But here's why that's an extremely bad idea.
— A survey shows my Border Collie/Australian Shepherd mix might be the canine equivalent of a brain surgeon, but it doesn't feel much like it.
— I can't help being cynical about people who are out to separate dog lovers from their cash.
— Converting dog years to human years depends on many factors, including size, breed, and health.
— Designer dogs are bred for dubious reasons: aesthetics, status, and allergies.
— No More Woof claims to be able to read your dog's brain waves and translate them into speech. Trouble is, it doesn't really exist.
— One researcher said that having dogs in the house "might inoculate the GI tract" of babies.
— U.K. researchers had an "odor judge" rate them to learn what foods result in maximum stench.
— A study of ancient DNA suggests dogs might have entered human culture 32,000 years ago.
— A study of 12 dogs suggests that dogs' emotions are as nuanced and real as those of people.
— This research is still very much in its nascency, but the research is definitely potentially a step in the right direction.
— Dogs can perceive color, but their spectrum contains a lot fewer hues than what humans see.
— In fact, dogs are more likely to catch them from their owners than strangers, a new study says.
— A study reveals that the eyebrows (and the left ear) convey important dog emotions. No kidding.
— Add this to your list of dog facts: A recent study shows that dogs can see color.
— A new study shows that people who treat their dogs like children have been right all along.
— The winner can save $70,000 when cloning a dog. Of course, that leaves $30,000.
— "The motions are precise, even mathematical," says one researcher. Just the same, it ain't pretty.
— The brainy Border Collie might soon be smart enough to go in the kitchen and make you a sandwich.
— It's no surprise the oft-quoted ratio on aging is a bunch of hooey, but the real answer is not simple.
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