Aw… even though this was back in 2010 they look so young here…
this literally gave me chills.
I’ve never hit the reblog button so fast in my life.
The Hobbit The Desolation of Smaug EXTRAS.
I AM LAUGHING SO HARD RN :’)
One of the most amazing things about being a mammal is our sensitive hearing. Where does it come from? — These three little bones in our middle ear.
Our reptile ancestors only had one bone, but our two extra bones enable us to amplify sound.
Learn more and tune in tomorrow night (4/16) on PBS at 10/9c when Your Inner Fish continues.