It turns out that preservation of these structures is widespread, confirming the ancient origin of this type of circulatory ...

Meet Mosura fentoni, a bizarre 506-million-year-old "sea-moth" with three eyes, claws, and an abdomen full of gills.

Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods.

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. 340 million-year-old ...

The main difference is, in human teeth ... odontode structure from Astrapsis, an ancient jawless vertebrate fish. The tubules (shown in green) are filled with dentine, the same material that makes up ...

Your teeth play important roles in your daily life, but have you ever wondered how humans evolved to have them? Skin scales ...

The sensitive interior of human teeth might have originated ... revealing their internal anatomy. “This shows us that ‘teeth’ can also be sensory even when they’re not in the mouth ...

Sugar has long seduced the human palate — and wreaked havoc on ... “And now that we have this structure, perhaps we can find ways to modulate its function.” For example, compounds that ...

There’s the fact that human teeth are sensitive. Plus, the structure that Haridy had found in Anatolepis (the now-arthropod) was for sensing. “All this extra anatomy,” she says ...