Watch the video of Sarah’s school science experiment at Hawthorne Academy in the video player above.

Former elementary school teacher Matt Shurtleff — known to many students as “Matt the Mad Scientist” — demonstrated how sound waves move using water and lasers.

In salt water solutions, water molecules rapidly move around salt ions at a scale of more than a trillion times a second, according to both experiments and simulations. In salt water solutions, water ...

TULSA, Okla. — As winter approaches, some people load up on salt to melt ice from sidewalks and driveways. While salt can readily melt thin layers of ice, it can have a slightly different effect on an ...