Great white sharks grow a whole new kind of tooth for slicing bone as they age

Even more striking were the changes that occur as sharks grow. At around 3m in body length, white sharks undergo a major ...
ZME Science

How do they brush their teeth in space? [VIDEO]

Image from Youtube. There are a number of daily chores and trifles that require a distinct amount of care and attention when ...
Live Science

Creepy humanoid robot face learned to move its lips more accurately by staring at itself in the mirror, then watching YouTube

The Columbia University researchers achieved the feat by allowing their robot, EMO, to study itself in a mirror. It learned ...

The Lemur’s Secret Weapon: Why These Primates Have a Built-In Toothbrush

Lemurs are known for their social grooming, but their best grooming tool is their tongue. Below their main tongue lies the ...
YouTube on MSN

DIY LEGO toothbrush vs cavities challenge!

diy lego Toothbrush vs Cavities Challenge! In this video, I test two of the craziest lego toothbrush builds ever made — the ...
YouTube on MSN

Traveling around the world to find the best toothbrush!

Let's Find Out If irl emojis from around the world Stain My Clean Teeth!? Travel with Me to Different Countries To See How Each Country’s Food Affects my Teeth And How Well The Country’s Dental Aisles ...