#ted-ed

- #vampires
- #cats
- #awesome
- #education
- #history
- #language
- #folklore
- #culture
- #education
- #science
- #color
- #light
- #rgb
- #vision
- #perception
- #eyes
- #education
- #math
- #logarithms
- #base
- #exponent
- #steve kelly
- #ted-ed
- #ted ed
- #education
- #brain
- #science
- #neuroscience
- #neurons
- #sound
- #sound wave
- #audio
- #education
- #dna
- #genome
- #human genome project
- #atcg
- #science
- #biology
- #cells
- #education
- #science
- #chemistry
- #atom
- #electron
- #george zaidan
- #charles morton
- #ted-ed