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 ...

(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.

So-called large language model (LLM)-based agents, such as ChatGPT and Llama, ... Wild Orangutans Show Communication Complexity Thought to Be Uniquely Human May 16, 2025 — Researchers have found ...

CHICAGO -- 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.

After more than 20 years on the air, ESPN's Around the Horn will air its final episode on Friday. The debate-style program, which debuted on Nov. 4, 2002, has produced nearly 5,000 episodes and ...