The new frontier? Lip prints. Like the grooves on human fingertips, the grooves on human lips are formed at the embryonic stage and are thought to remain fixed throughout life. While lip prints ...

Cheiloscopy, the study of lip prints, is an emerging field in forensic science that focuses on the unique patterns found on human lips. These patterns, which are formed by grooves and wrinkles ...

Once the weather turns cooler, many of us experience the all-too-human misery of dry, chapped lips. We apply cheap lip balm (bad idea) or lick them (even worse idea), then wonder why they’re ...