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This phenomenon only happens in Hawaii . . . and Cuba & Nigeria & Indonesia & Peru & Sudan & Laos &…
Season 2
Episode 26
3:28
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Physics Girl
Why aren't plants black?
Season 2
Episode 15
Why are plants green? Is there a reason plants evolved to be green, globally? What does it have to do with the color of the sunlight coming down through our atmosphere?
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6:27
Try to sing up the scale of notes into a pipe, certain notes are impossible to sing!
9:46
Don’t try this at home! We did it for you – and for science!
6:12
Three tricky riddles! See if you can solve the 2s riddle!
5:19
Can you solve the next two riddles? (1) the silent round riddle (2) the broom riddle
6:12
See if you can solve (1) the bucket riddle (2) the clock puzzle (3) the bowl riddle!