SciShow

Venomous Mammals, Sensory Receptors & the Moon's True Origin Story (2012x159)

: 19, 2012

Hank describes to us some news stories that illustrate how science is continually changing the things we think we "know" - from the status of various animals species, to the way our senses work and even where the Moon came from - scientists ask questions and make discoveries that change the world, and our understanding of it, every day.