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Health

Why does your voice change as you get older?

1,735,407 Views

Design, Engineering & Technology

New bionics let us run, climb and dance - Hugh Herr

15,189,163 Views

Health

Myths you learned in health class

545,348 Views

Psychology

Self-esteem

2,591,875 Views

Health

Mom vs. dad: What did you inherit?

2,157,387 Views

Health

Are multivitamins really good for you?

732,536 Views

Health

How much of what you see is a hallucination?

4,746,473 Views

Health

The psychology of post-traumatic stress disorder

3,132,849 Views

Health

How do your hormones work?

2,340,516 Views

Health

The science of hearing

1,114,119 Views

Health

What causes insomnia?

6,171,081 Views

Health

You can grow new brain cells. Here's how - Sandrine Thuret

8,153,968 Views

Health

What stretching actually does to your body

8,529,996 Views

Health

The brain-changing benefits of exercise - Wendy Suzuki

10,518,352 Views

Health

Why is it so hard to cure ALS?

441,661 Views

Health

Honey: bacteria's worst enemy

5,018,225 Views

Science & Technology

What is dust made of?

1,080,256 Views

Health

How fast can we go?

1,854,463 Views

Health

What causes nosebleeds?

3,691,787 Views

Health

How to stay calm under pressure

7,866,198 Views

Health

Why are we ticklish?

864,744 Views

Psychology

The importance of a breakdown

3,498,098 Views

Health

How old are your ears? (hearing test)

24,000,514 Views

Health

What if you never forgot anything?

2,386,542 Views