Sound on! 🤣 Marsh named #Triceratops “three-horned face” in 1889. It lived at the very end of the #Cretaceous (66 mya) and has been found all over western North America, from Denver, Colorado to Alberta, Canada. Imagine staring down the barrels of this 3-horned tank! 3x modern rhino dimensions at over 30’ long and well over 6 tons (some estimate 12!), this giant herbivore was one of the few, if not only, LK herbivores that straight-up outweighed a #Trex. Those horns were likely covered in a ker

Tetrahymena

Avascular Necrosis and Minimally Invasive Treatment Using Stem Cells - Mayo Clinic.mp4