Dr. Yara Haridi
👤 Speaker
906
total appearances
Appearances Over Time
Podcast Appearances
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And each bump has tubules and it's really hard.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And we're like, what if?
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
So we scanned a bunch of arthropods and basically, long story short, found out that this Lake Cambrian guy was not a vertebrate.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
No.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
At all.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
But an arthropod.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
So what does that mean?
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Exactly.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
So what that means is that we don't have our transitional fossil.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
We don't have the guy in the middle.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
We still have this giant gap between squishy boys and fully armored fish.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And that was really weird.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And it really bothered me.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
I was really upset.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Yeah.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
I was like, oh no, my tooth, my earliest tooth.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
But even at that moment, I was like, why does it still look like a tooth?
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Why are these arthropods covered in things that look like odontodes?
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
Yeah.
Ologies with Alie Ward
Paleohistology (WHY TEETH EXIST) with Yara Haridy
And what are they?