Shapeshifting microrobots can brush and floss teeth
A shapeshifting robotic microswarm may one day act as a toothbrush, rinse, and dental floss in one. The technology, developed by a multidisciplinary team at the University of Pennsylvania, is poised to offer a new and automated way to perform the mun.....»»
Best apps to learn Spanish on iPhone, iPad, or Mac
Learning a new language is now more accessible than ever. These apps and services are best choices for people who want to learn Spanish.Whether you're planning to surprise your Valentine with a trip to the Dominican Republic and need to brush up on y.....»»
Fossil teeth reveal how brains developed in utero over millions of years of human evolution
Fossilized bones help tell the story of what human beings and our predecessors were doing hundreds of thousands of years ago. But how can you learn about important parts of our ancestors' life cycle—like pregnancy or gestation—that leave no obvio.....»»
French aristocrat"s golden dental secret revealed 400 years on
Scientists have discovered the long-buried secret of a 17th-century French aristocrat 400 years after her death: she was using gold wire to keep her teeth from falling out......»»
New pterosaur species with hundreds of tiny hooked teeth discovered
An unusual new species of pterosaur has been identified, which had over 400 teeth that looked like the prongs of a nit comb......»»
Researchers uncover secrets on how Alaska"s Denali Fault formed
When the rigid plates that make up Earth's lithosphere brush against one another, they often form visible boundaries, known as faults, on the planet's surface. Strike-slip faults, such as the San Andreas Fault in California or the Denali Fault in Ala.....»»
Early humans: Tooth enamel reveals life histories
If you take a magnifying glass and a flashlight and look at your teeth very carefully in the mirror, in places you can spot a pattern of fine, parallel lines running across your teeth. These correspond to the striae of Retzius that mark the growth of.....»»
DEAL: Get yourself a Philips electric toothbrush at a fantastic discount right now
If you’re looking for a way to keep your teeth clean and want to go beyond a regular toothbrush, then these deals for the Philips electric toothbrush might be worth checking out. The post DEAL: Get yourself a Philips electric toothbrush at a fantas.....»»
When was the first time life began to prey on each other?
Using the word predation may seem surprising when we talk about the first organisms that set out to eat other organisms, for they were not deadly predators with sharp teeth and claws, but small single-celled life forms that swam around in the primord.....»»
Dinosaur teeth reveal what they didn"t eat
Scratches on dinosaur teeth could reveal what they really ate. For the first time, dental microwear texture analysis (DMTA) has been used to infer the feeding habits of large theropods, including Allosaurus and T. rex......»»
Examining Smilodon"s saber teeth
A team of researchers led by Narimane Chatar, a doctoral student at the EDDyLab of the University of Liège (Belgium), has tested the biting efficiency of Smilodon, an extinct genus of carnivore close to the extant felines. Using high-precision 3D sc.....»»
T. rex"s fancy footwork owed to special ligaments, study finds
How did Tyrannosaurus rex catch its food? Looking at T. rex's fossilized skull, the answer may seem obvious: monstrous jaws and sharp teeth capable of delivering a multi-ton bite force......»»
New dinosaur egg species helps crack mystery of Cretaceous ecosystem in Japan
Giant skeletons aren't the only evidence that dinosaurs left behind. Tiny eggshell fragments can reveal aspects of Mesozoic ecosystems that fossilized bones and teeth fail to capture, especially because the skeletons of smaller animals were less like.....»»
Ancient DNA from medieval Germany tells origin story of Ashkenazi Jews
Excavating ancient DNA from teeth, an international group of scientists peered into the lives of a once thriving medieval Ashkenazi Jewish community in Erfurt, Germany. The findings, shared today in the JournalCell, show that the Erfurt Jewish commun.....»»
Cyber Monday Crest & Colgate deals on teeth whiteners & more
Yes, Cyber Monday is obviously a great opportunity to save on tech products like Apple AirPods and smart TVs. That should obviously go without saying. But this huge one-day sale is good for so much more than that. And this year, there are Cyber Monda.....»»
They"re doing their best: How these 3 neighborhood "pests" deal with rainy days
Have you had a recent encounter with an animal you'd much rather avoid? As La Niña continues to give us rainy days, brush turkeys, bats, and cockroaches are emerging from their hide-outs......»»
A study discovers a surprising relationship between the teeth and the evolution of pregnancy
Humans have the highest prenatal growth rate of all extant primates, but how this exceptional rate came about has been a mystery up to now. Leslea Hlusko, a scientist at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), has p.....»»
This Shark robot vacuum just got a big discount – now just $139
The Shark ION robot vacuum, which features a Tri-Brush System for picking up dirt and a runtime of up to 2 hours, is on sale from Walmart with a $111 discount......»»
UK regulator needs teeth to curb big tech, MPs say
They urge publication of a draft bill that could see firms fined 10% of turnover for market abuses......»»
Chew on this: Personalized health care for mountain gorillas
A mountain gorilla walks in the forest of East Africa's Virunga Volcanoes conservation area. It stops at a piece of wild celery, sits down, and begins to chew. It strips the vegetable's fibrous threads through its teeth, extracting the fleshy, juicy.....»»
Get this blowout brush on sale for 82% off
TL;DR: As of Oct. 18, you can pick up the Cortex USA Volumizing Blowout Brush for just $44.99 rather than $249.99 — that's 82% in savings.Blowdrying your hair is not so different from doing an arm workout. With both arms working in tandem &mdas.....»»