SciShow explains what really causes those popping sounds your joints make — fluid dynamics, people! — and what you should watch out for if you’re a habitual knuckle-popper.
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Categories: Gr 9-10 Science, Gr. 11-12 Physics
https://youtu.be/qj7RN8sDYKo Cosmologists and astronomers have found a discrepancy in the Hubble constant from opposite ends of the universe. Is the Hubble constant in trouble? Learn more:... read more
Categories: Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
They knew it had to exist, but they just couldn’t find evidence of it. Now, after decades of searching, astrophysicists have found verification of the first molecule that... read more
Categories: All Science Teachers, Gr 9-10 Science, Gr. 11-12 Physics
First, astronomers made history when they detected a gravitational wave from two black holes merging. Then it was two neutron stars. Now, astronomers believe they've detected a gravitational wave... read more
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