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Image of the Day
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
Staff | Jul 3, 2017
Once mated, female cabbage white butterflies (
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
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
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
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.