Image of the Day: Invisible Weapons
Image of the Day: Invisible Weapons
See a close-up of the deep-sea dragonfish’s transparent teeth.
Image of the Day: Invisible Weapons
Image of the Day: Invisible Weapons

See a close-up of the deep-sea dragonfish’s transparent teeth.

See a close-up of the deep-sea dragonfish’s transparent teeth.

teeth
Image of the Day: Gnashers
Image of the Day: Gnashers
Carolyn Wilke | Feb 18, 2019
A mollusk grows magnetic teeth so tough they can grind down rocks.  
Newly Discovered Ancient Shark Found Alongside Bones of <em>T. rex</em>
Newly Discovered Ancient Shark Found Alongside Bones of T. rex
Carolyn Wilke | Jan 22, 2019
Galagadon’s tiny teeth look like the spaceships in its namesake video game from the early 1980s.
Image of the Day: Wisdom Teeth Lost
Image of the Day: Wisdom Teeth Lost
Carolyn Wilke | Jan 9, 2019
A study of tiny monkey skulls and teeth suggests that shrinking body size didn’t crowd out wisdom teeth during evolution.
Humans Lived in Southeast Asia More Than 60,000 Years Ago
Humans Lived in Southeast Asia More Than 60,000 Years Ago
Shawna Williams | Aug 9, 2017
Tooth fossils of cave dwellers represent the first known instance of our species inhabiting a rainforest.
Image of the Day: Teeth
Image of the Day: Teeth
The Scientist Staff | Jul 3, 2017
Once mated, female cabbage white butterflies (Pieris rapae) use their "vagina dentata" to rip through the hard encasing of a male’s ejaculated spermatophore. 
Enhancing Stem Cells Helps Regenerate Damaged Teeth in Mice
Enhancing Stem Cells Helps Regenerate Damaged Teeth in Mice
Diana Kwon | Jan 9, 2017
Scientists repurpose an Alzheimer’s drug to enhance the ability of stem cells to repair dental damage in mice.
Study: Dinosaurs Lost Teeth, Grew Bird-Like Beaks
Study: Dinosaurs Lost Teeth, Grew Bird-Like Beaks
Joshua A. Krisch | Dec 28, 2016
Fossil analysis suggests members of at least one dinosaur species started out with full sets of teeth, only to lose them in adulthood and develop beaks instead.
The Topography of Teeth
The Topography of Teeth
Bob Grant | Nov 29, 2016
Intricate, digital maps of animals’ teeth, created using the same geographical tools used by mapmakers, may help researchers determine the diets of extinct species.