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Resurse Sanatate

De ce vedem cateodata punctulete si liniute…TED-Ed update

View full lesson: http://ed.ted.com/lessons/what-are-th…

Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you might see things floating across your field of vision. What are these moving objects, and how are you seeing them? Michael Mauser explains the visual phenomenon that is floaters.

Lesson by Michael Mauser, animation by Reflective Films.

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Resurse

De ce lacrimam? TED-Ed Update

Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal, reflex and emotional tears.

Lesson by Alex Gendler, animation by The Moving Company Animation Studio.