Why do we have boogers inside our nose?
Video has Closed Captions
Why do we have boogers inside our nose? Asks Ellie from California. (1m 47s)
Why do people have different colored eyes?
Video has Closed Captions
Why do people have different colored eyes? Asks Ben from New York. (1m 52s)
Can you sneeze with your eyes open?
Video has Closed Captions
Can you sneeze with your eyes open? Asks Eli from Oklahoma. (2m 1s)
Video has Closed Captions
Why is sleep important? Asks Annabelle from Canada (1m 59s)
Video has Closed Captions
Why do I get carsick and how can I overcome it? Asks Meera from India. (1m 11s)
Why do ballerinas wear ballet shoes?
Video has Closed Captions
Why do ballerinas wear ballet shoes? Asks Harper from Raleigh, NC (2m 18s)
How many germs are killed by toasting bread?
Video has Closed Captions
How many germs are killed by toasting bread? Asks Malcolm from Boston. (1m 35s)
Video has Closed Captions
How do we get bruises? Asks Violet from Richmond, Virginia. (1m 18s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship