Why do humans have canine teeth? Patrick McGannon, Surprise, Arizona All primate species have them, says Sabrina Sholts, a curator of physical anthropology at the Museum of Natural History. Early ...

A hot dog day is a special day. It’s an icon of summer, a hallmark of long, lazy weekends, a souvenir of childhood. Every time I eat a hot dog, I’m thrown back to warm memories: my parents grilling in ...

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With location and activity tracking, the top pet trackers and GPS collars we've tested can help ensure your dog or cat is both safe and healthy. Find out which one is right for your furry companion. I ...

Blood in urine without pain may be caused by exercise, certain medications, or kidney diseases. Bladder or kidney cancer can cause blood in the urine without pain. Hematuria is the medical term for ...

Clear urine may mean you are drinking more water than your body needs. Dark yellow or brown pee usually means you're dehydrated. Pink or red pee could mean there's blood in it, which might be a sign ...