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01:49 History How the stethoscope was invented | Moments of Vision 7 Lesson duration 01:49 407,931 Views
04:45 Science & Technology Why doesn’t anything stick to Teflon? Lesson duration 04:45 3,107,484 Views
02:06 Design How smudge-proof lipstick was invented | Moments of Vision 6 Lesson duration 02:06 310,908 Views
09:40 Health This temporary tattoo helps women have healthy pregnancies Lesson duration 09:40 176,687 Views
03:01 Science & Technology The most horrifying parasites on the planet Lesson duration 03:01 2,409,899 Views
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04:56 Earth and Space Science Could we survive prolonged space travel? Lesson duration 04:56 436,111 Views
03:47 Environmental Science What would happen if the world went vegetarian? Lesson duration 03:47 7,565,255 Views
