dogs

This week on Weird Animal Questions, we’re focusing on the critters closest to your heart—pets. If we were going to domesticate another species like we did with cats (sorta) and dogs (yeay!), what would be the best candidate?—Charles Martin via Facebook A. We didn’t domesticate the dog so much as the wolf domesticated itself, and...

An owner’s scent activates the parts of a dog‘s brain associated with pleasure, a new brain-imaging study says. Thus, a dog encountering its owner’s smell could feel in some way like a person reacting to the perfume or cologne of a loved one, according to study leader Gregory Berns, a neuroeconomist at Emory University in Atlanta. For his research,...

  Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend on radio, or listen below! Hour 1 – Recapping her three-year expedition that made her...

You’ve probably heard about domestic dogs that are trained to sniff out drugs, explosives, and bad guys. You may also know that canines can detect the tiny molecular changes that distinguish cancer cells from healthy ones. Dogs in studies have perceived lung and breast cancer via a whiff of a patient’s breath, ovarian cancer from...

For polar bear pregnancy tests, it’s all about the poop. Elvis the beagle is helping zoos around the country figure out if their polar bears are pregnant, and he gets it right 97 percent of the time. But Elvis has never met a polar bear. Instead, he sniffs samples sent to him from zoos around...

A couple of months ago we told you how the age of certain wild animals is determined. Since then, some of you wondered about age-related changes in those animals. Now that it’s September, aka World Alzheimer’s Month—Alzheimer’s disease accounts for up to 80 percent of all dementia cases, in which mental abilities decline and impede daily...

Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend, or pick your favorite segments and listen now below! Episode: 1322 – Air Date:...

Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend, or pick your favorite segments and listen now below! Episode: 1322 – Air Date:...