Instructional Video8:00
SciShow

8 Elements You Might Not Know That Are Extremely Useful

12th - Higher Ed
There are 118 elements on the periodic table, but it seems like only a handful of them get any attention. But just because you haven't heard of an element doesn't mean that it isn't a vital part of everyday life! Learn about these lesser...
Instructional Video4:51
SciShow

Why We Started Shooting Lasers Into People’s Eyeballs

12th - Higher Ed
Your eyes might malfunction, but lasers can fix them. Here's how researchers developed those procedures.
Instructional Video5:23
TED-Ed

TED-Ed: How does laser eye surgery work? | Dan Reinstein

Pre-K - Higher Ed
In 1948, Spanish ophthalmologist Jose Ignacio Barraquer Moner was fed up with glasses. He wanted a solution for blurry vision that fixed the eye itself, without relying on external aids. The surgery he eventually devised was called...
Instructional Video
Mayo Clinic

Mayo Clinic: Video: Lasik Eye Surgery

9th - 10th
Learn about LASIK surgery to correct vision abonormalities in this Mayo Clinic animated video of the procedure. (37 sec)