1:B - Scientists think that there are a whopping 200 billion trillion stars. That’s the number of stars in our galaxy, the Milky Way (about 100 billion), multiplied by the number of galaxies (about 2 ...
Nick discovers a way to steer their magnetic canoe around magnetic rocks. In Magnetic Fields, every red and blue object is magnetic. Nick and Sally learn how to use this knowledge to help them steer ...
Here’s a cool trick Eric Stroud and and Michael Herrmann discovered: Sharks hate magnets. And the thing is, anyone who is a shark geek and a magnet geek can kind of mentally put it together. With the ...
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