Tag: teeth
Scientists Sequence Bacterial DNA from Germs in Mammoth Teeth
A Mammoth Toothache: Bacterial Community Discovered in Mouth of Ancient Mammoth Genetic-sequencing techniques have identified microorganisms that lived in the mouths of ancient mammoths By Katie Kavanagh & Nature magazine Ancient mammoth teeth, pictured here, contained DNA from 310 different species of bacteria. Join Our Community of Science Lovers! An analysis of the bones and…
This Gloriously Weird Fish Has Teeth on Its Forehead for Sex
This Gloriously Weird Fish Has Teeth on Its Forehead for Sex Researchers have finally traced the origin of the spotted ratfish’s bizarre forehead teeth, which are used for mating By Kate Wong edited by Jeanna Bryner The researchers identified teeth on the tenaculum of ancient relatives to the modern adult male spotted ratfish. This fossil…
1000-Lb. Sisters’ Tammy Slaton Debuts New Teeth Amid Weight Loss
1000-Lb. Sisters star Tammy Slaton unveiled the progress she’s made in filling the gap in her smile by getting new false teeth put in with a bridge, saying, “I’m still getting more done with it.” Tammy Slaton is giving her smile an upgrade. The 1000-Lb. Sisters star unveiled the progress she’s made so far on…
New Human Ancestor Identified from Fossil Teeth
Entirely New Species of Human Ancestor Discovered Ancient teeth found in Ethiopia belong to a never-before-seen species in the Australopithecus genus of human ancestors By Kate Wong edited by Jeanna Bryner Thirteen fossilized teeth were collected in the Ledi-Geraru Research Area from 2015 to 2018. The collections at LD 750 and LD 760 localities represent…
Whiter Teeth for Less? Snag These Prime Day Deals from Crest, Lumineux
Make your smile sparkle. Discover the best Prime Day deals on teeth whitening strips, LED lights, whitening pens, and more. Our writers and editors independently determine what we cover and recommend. When you buy through our links, E! may earn a commission. Some brands featured in this article are partners of Amazon’s Creator Connections program, which…
First Human Genome from Ancient Egypt Sequenced from 4,800-Year-Old Teeth
4,800-Year-Old Teeth Yield First Human Genome from Ancient Egypt Forty years after the first effort to extract mummy DNA, researchers have finally generated a full genome sequence from an ancient Egyptian, who lived when the earliest pyramids were built By Ewen Callaway & Nature magazine The Ancient Egyptian Old Kingdom (2686–2125 B.C.) produced many lasting…
Saber teeth in predators evolved many times. Did it lead to their extinction?
By Jonathan Lambert In the history of teeth, perhaps no tooth is as famous as the saber tooth. These long, blade-like canines seem almost perfectly optimized to kill prey. They’ve evolved at least five times in mammals, most notably in the saber-tooth cat Smilodon, who sported serrated sabers that could measure nearly one foot long.…