In this Nearpod lesson children learn to use media to help find answers to questions.
HAS SPACE ALWAYS BEEN BLACK? As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding, that dark night sky we know so well as actuallyÉORANGE! But why? Did the lights just go out, or did something more spectacular happen? Watch this episode of PBS Space Time and find out!
The world's ocean are absorbing carbon dioxide at an unprecedented rate and the resulting acidification is transforming marine ecosystems. We look at how ocean acidification is already affecting coral reefs in the Florida Keys.
See if you can tell what four similar-looking embryos will become, and watch each develop.
In this interactive, see how closely parts of your body match those in other animals, from sharks to fruit flies.
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