Topic: teeth

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Humphead parrotfish poop helps create new island beaches

How can a hungry school of fish help to create a thriving reef island? In this clip from the BBC's The Blue Planet, neon-colored Humphead Parrotfish crunch rocks and hard corals alike as they forage for coralline alga...

Toothpaste – Ingredients With George Zaidan

Cultures throughout history have tried a variety of things to clean their teeth... Egyptians and Babylonians brushed with twigs around 3500-3000 BC. In 5000 BC, a recipe of ox hooves, eggshells, myrrh, and pumice woul...

What causes cavities?

When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can...

A hippo gets his teeth brushed

At the Tennoji Zoo in Osaka, Japan, hippo hygiene is important. Thanks to training and consistent routines, hippopotamus Tetsuo understands how to get his teeth brushed (and get a quick physical check-up) from the car...

Why Warm Blood is Better Than Cold – Rise of the Mammals

What does a tiny Hadrocodium wui fossil tell us about the evolutionary advantages that mammals were developing before the Cretaceous–Paleogene mass extinction event that finished off the dinosaurs 65 million years ago...

Gyrecraft – Transforming sea plastics into valuable objects

From Azusa Murakami and Alexander Groves of Studio Swine, this is Gyrecraft, a term that references the swirling gyres in which micro-plastics can be found, and scrimshaw craft, the now verboten pastime of whale tooth...

Orca Rescue in 4K: The conservation efforts of Dr. Ingrid Visser

Follow marine biologist Dr. Ingrid Visser and the wild orca that she researches and advocates for in this episode of HERO4: The Adventure of Life in 4K resolution: Orca Rescue in 4K. Filmed on location in New Zeal...

Straightening teeth with dental braces: An 18 month time lapse

The impact of getting braces has never been as evident as in this 18 month orthodontic time lapse of an 11 year old girl and the alignment of her teeth. Ready... set... straighten! Today's Orthodontics: See what brace...

How to make Halloween jack-o-lanterns with scary teeth

How scary and realistic do faces look when you give them big teeth? YouTuber DaveHax demonstrates five pumpkin carving techniques for making your own scary and surprising Halloween Jack-o'-lanterns, including how to: ...

Brush Brush Brush by Of Montreal

Brush Brush Brush by Of Montreal, animated by Kangaroo Alliance for the season 2 “Teeth” episode of Yo Gabba Gabba.

Fossil Sharks – The Brain Scoop

The Megalodon Shark and Helicoprion: two mysterious, extinct sharks that have left fossilized clues of their existence in the form of their teeth (and some vertebrae). Get a close look at the largest shark tooth and a...

REMUS SharkCam: The hunter and the hunted

When the Woods Hole Oceanographic Institution team took their REMUS "SharkCam" underwater vehicle -- equipped with six camera views -- to Mexico's Guadalupe Island, they expected to track and film great white sharks f...

Fearsome Teeth of the Gelada Baboon

In the mountains of Ethiopia, the BBC’s Steve Backshall and his Deadly 60 team track a group of graminivorous (grass-eating) gelada baboons to observe their amazing, lion-sized, canine tee...

Why does toothpaste change the taste of orange juice?

Easy experiment: Drink orange juice. Brush your teeth. Drink orange juice again. What just happened? From The American Chemical Society, here's a Reactions explanation for why most toothpast...

The Sarcastic Fringehead – BBC Life

From the BBC series Life, meet the Sarcastic Fringehead as Sir David Attenborough narrates. More info from Discovery.com:  This small, scrappy fish found along the Pacific Coast from San Francisco to Baja Califor...

Eerie critters from the deep sea – MBARI

'Tis the season for scary creatures with toothy grins. From the team at MBARI, deep-sea fish with some serious teeth! Listed in the order they appear: Aristostomias scintillans (Shiny loosejaw...

The Narwhal, Unicorns of the Sea

Thanks to the vikings, who sold Narwhal tusks during the middle ages, we now have wonderful tales of unicorns in our fantasy books. But what is a Narwhal and why do they have a large tusk? From Wikipedia: The narw...

Sea Otter vs. Ice: Rocks are perfect for cracking frozen food-filled ice

From the Vancouver Aquarium:  Sea otters usually prey on hard-shelled food — If they’re too hard to crack with their teeth, they’ll smash them open with, or against, a r...


 
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