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Why does skin complexion change with the seasons?

Why does skin complexion change with the seasons?

- asks M.P. from New York, NY

By | Posted July 23, 2007

When you get out of the pool, why is your vision filmy and cloudy? Does this damage your eyes?

When you get out of the pool, why is your vision filmy and cloudy? Does this damage your eyes?

- asks Margaret from Ohio

By | Posted July 16, 2007

How could the universe expand faster than the speed of light? That seems impossible!

How could the universe expand faster than the speed of light? That seems impossible!

- asks Paul

By | Posted July 9, 2007

How are nests made, and are people changing the materials birds use for them?

How are nests made, and are people changing the materials birds use for them?

- asks Peggy from University Heights, OH

By | Posted July 2, 2007

Why do people wear hard contact lenses?

Why do people wear hard contact lenses?

- asks Lindsey from New York

By | Posted June 25, 2007

Inuits live in very cold climates, why do they have dark skin?

Inuits live in very cold climates, why do they have dark skin?

- asks Anonymous

By | Posted June 18, 2007

Does elevating your heart rate during exercise have the same effect on you as a fight or flight response?

Does elevating your heart rate during exercise have the same effect on you as a fight or flight response?

- asks Anh Nguyen from San Jose, California

By | Posted June 11, 2007

What do the animals at the Bronx zoo do in the winter?

What do the animals at the Bronx zoo do in the winter?

- asks Sean from New York City

By | Posted June 4, 2007

Why do I get ice-cream headaches?

Why do I get ice-cream headaches?

- asks Victoria from Salmon Arm, BC

By | Posted May 20, 2007

Does an organic label mean anything?

Does an organic label mean anything?

- asks Susan from Brooklyn

By | Posted May 15, 2007

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