00:00Some people put pills under their tongues instead of swallowing them.
00:04And while you might think this is just because they have trouble swallowing,
00:07they're most likely doing it for a different reason.
00:10You see, when a pill is taken this way,
00:12it dissolves into a huge network of blood vessels that sit right under your tongue.
00:17And this makes the medication hit you quicker and harder
00:20because it doesn't have to be metabolized first.
00:23Which isn't really a good thing,
00:24as most pills are actually designed and coded to dissolve the traditional way.
00:29Have you ever wondered why sunburns turn your skin red?
00:32Well, when you're exposed to the sun for too long,
00:35the UV rays damage your skin, which triggers an immune response.
00:39This causes your body to send more blood to the affected area to repair it.
00:44This excess of blood sits right underneath where the sun burns you.
00:48And because your blood is red, it makes your sunburn also appear red.
00:52Have you ever noticed that a flame doesn't have a shadow?
00:56I mean, the match has a shadow, so why doesn't the flame?
00:59Well, a typical light source like a flashlight emits light that travels until it hits an object.
01:04And the object casts a shadow by blocking the light.
01:08But a flame is different.
01:09Instead of blocking light, it actually is the light source, which makes it shadowless.
01:14But a flame can actually have a shadow
01:17if it's blocking a light source that is brighter than itself.
01:20And the light source is the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of the light source of the light source of the light source of the light source of the light source
01:20of
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