How did we come up with our system of telling time? Why do we divide the day into 24 hours of 60 minutes each, and put 60 seconds in each minute? Where does the definition of a second come from? And who decides what clock shows the correct time? There’s clearly a lot of questions when it comes to time.
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The collision of two neutron stars, seen in an artist's rendering, created both gravitational waves and gamma rays. Researchers used those signals to locate the event with optical telescopes. For the... read more
Categories: All Science Teachers
To all of you, my heart goes out to you as you struggle with the challenges of this way of learning that none of us anticipated. I'm reading the frustrations from all sectors on... read more
Categories: All Science Teachers
https://youtu.be/eXTbTJLOyFM From CRISPR to Cassini, science stories on the horizon in 2017 won't disappoint. We asked our intrepid beat writers what they'll be looking forward to covering... read more
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