Dr. Yara Haridi
👤 Speaker
906
total appearances
Appearances Over Time
Podcast Appearances
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
So I'm basically holding like
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
what is it?
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
You say fragments of like cereal.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
They're so tiny.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
They are like grape nuts.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Yeah, they're tiny, tiny.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And we get really good data from them.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Oddly enough, they scan beautifully.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
They section beautifully under a microscope.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
They're just gorgeous.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And the enamel is intact.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Every one of those little bumps is a little odontoid.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Every single one.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
So the odontos adhere to the dermal bone and that's how they make their armor.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Yeah.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Yeah.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And so they're covered in these ones.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
They're really tiny.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
They're even tinier than the other piece that I showed you earlier.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And so this is the earliest representation of what some of these fragmentary early, early mineralizing vertebrates look like.