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Image of the Day
Found: Missing Link in Whale Evolutionary History
Ashley P. Taylor | Nov 29, 2018
A toothless whale fossil without signs of baleen could help explain how the whale filtration system evolved.
How a Sleep-Associated Hormone Affects Murine Tooth Development
Mallory Locklear | Aug 22, 2016
Disrupting the light/dark cycles of pregnant mice, researchers observe detrimental effects in the mouths of the animals’ pups.
Telltale Mouth Microbes
Jyoti Madhusoodanan | Sep 9, 2015
The composition of the plaque microbiome can reveal a child’s risk of dental caries months before the decay appears, according to a study.
Amanda B. Keener | Jul 29, 2015
Microscopic analysis of carnivorous dinosaur teeth reveals specialized serrated edges.
Mining the Mouth’s Many Microbes
Tracy Vence | Jun 18, 2014
The oral cavity contains several distinct and dynamic microbial communities, and some of these commensals may seed the body’s other microbiomes.
Making Sense of the Narwhal Tusk
Kerry Grens | Mar 18, 2014
Emerging evidence suggests that the marine mammal’s long front tooth might help the narwhal sense environmental changes.
on The Pulse #3
Kerry Grens | Jan 28, 2014
Kerry Grens chats about ancient tooth decay, asthma, and fat cells.
Teasing Out New Teeth
Dan Cossins | Mar 12, 2013
Researchers mix cells from human adult gum tissue with tooth-inducing cells from mouse embryos to grow new hybrid teeth complete with roots.
Braking for Whales
Kate Yandell | Feb 19, 2013
Fossils of four new cetacean species have been discovered at a road construction site in California.
First Stem-Cell-Organ Transplant
Jessica P. Johnson | Jul 13, 2011
A fully-functional tooth grown from stem cells is successfully implanted into a mouse.