A new study published in Nature traces the evolutionary origin of human teeth to sensory structures found on the exoskeletons of extinct fish. Researchers say the same "genetic toolkit" that ...

In a new study, the researchers showed how sensory tissue discovered on the exoskeletons of ancient fish is linked to the same "genetic toolkit" that produces human teeth. Originally, the researchers ...

The main difference is, in human teeth, it acts as an internal detector, while in ancient fish armor, it serves as an external sensation antenna. Paleontologists have long suspected that teeth evolved ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The sensitive ...

A man gardening in his backyard unearthed an urn filled with human ashes and false teeth this week in Queens, cops said. The 33-year-old made the spine-chilling discovery outside of his home near ...

(CNN) — The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago.

DEAR HELOISE: A wonderful way to clean stubborn coffee residue from pots, cups, and even your teeth is baking soda. Make a paste of baking soda and water, then rub it right off! Also, adding a ...