An innovative gel that forms a layer over teeth and then recruits calcium and phosphate ions from saliva to build new enamel has the potential to change dental treatment. To date, we don't have any way to regenerate the tough outer layer of enamel on our teeth as it erodes with age.
Hopefully in the right place.
Behold my new chitinous armour plates!
Don’t give the military ideas like that.
Congrats, you’re now a narwhal
Narwhals, narwhals, swimming in the ocean
Causing a commotion 'cause they are so awesome