Reviews (see all)
Becky
A fascinating outline for lay readers of continuing issues and problems physicists face today.
sonnguyen95
A few lectures dealing with unknown things in science. As always Tyson is great.
kaci1989
Pretty good. Can be longer and to discuss various topics in depth.
Chriso
A must for all who live in the world.
moggie_rf
Really fun. I do like Dr Tyson.
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