GENETICS

Gift Pet Lovers These Discounted Dog and Cat DNA Kits That'll Arrive in Time for Christmas

Learn about your dog or cat's breed and genetics with at-home DNA testing kits from brands like Embark and Basepaws on Amazon.

Learn More About Yourself for Less by Saving Over 30 Percent on 23andMe Services

Learn more about yourself for less by saving 35 percent on 23andMe's Health + Ancestry Service and 31 percent on a 23andMe+ Membership on Amazon.

In the Crosshairs: Why the Forensic Science of Hair Analysis Isn't Foolproof

For more than two centuries, police have investigated crimes using microscopic hair analysis. But this forensic method isn’t foolproof—and in some cases, it’s led to tragedy.

John Gregory's actual skull alongside a 3D rendering of his head.

A Skull From the 1845 Franklin Expedition Was Just Identified Using a Descendant’s DNA

Nobody made it out of Sir John Franklin’s 1845 expedition alive. But now we know just how far one sailor got.

Why Does Our Hair Grow Darker as We Get Older?

You can chalk it up to hormone changes, but your genes aren’t so innocent when it comes to hair color.

Game of Thrones’s Dire Wolves Existed—But a New Study Suggests They Weren’t Really Wolves

New research suggests that the real-life inspiration for Ghost from 'Game of Thrones' wasn’t a wolf species.

There's a good chance his parents have dimples, too.

Why Do Some People Have Dimples?

Genetics probably play a part in dimple formation, and so does a muscle called the “zygomaticus major.”