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00:57
How does blood clot? | #aumsum
23
B2 High-Intermediate
US
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02:27
Refraction of Light - Why does a pencil look bent…
38
A2 Basic
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01:31
What if we stopped drinking water? | #aumsum
63
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01:06
Why do our teeth turn yellow? | #aumsum
33
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How do fireflies glow? | #aumsum
70
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02:31
Human Sense Organs | Videos for Kids | #aumsum
26
B1 Intermediate
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01:15
Why is curd not stored in copper containers? |…
60
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00:51
Nervous System - Why dont we feel pain when we…
43
A2 Basic
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01:22
Why can't you use phones on planes? | #aumsum
116
B1 Intermediate
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01:03
Taste Buds - Why mint tastes cold? | #aumsum
16
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01:01
Why do animals eyes glow in the dark? | #aumsum
36
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01:01
Why does rain smell? | #aumsum
47
B1 Intermediate
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