Science & Technology

Woman wearing headphones , sitting on a couch, and humming to music

You can’t hum while holding your nose.

Fact
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Doctor shining flashlight in patient's eyes

You can see inside your own eye.

Fact
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You’re taller in the morning.

Fact
2m read

Hot and cold water make different sounds when poured.

Fact
2m read

Without landmarks, humans can’t walk in a straight line.

Fact
2m read

Tooth enamel is the hardest substance in the human body.

Fact
2m read
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