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Salman Sattar asks

I am a novice and I am looking to buy a telescope for around $350. Which one would be better for...

Don Ryan from St. John's, NL asks

Lightning strikes produce huge amounts of electricity. Has science looked at ways to store and use...

A. S. Kaire from Quezon asks

If the earth were suddenly stopped in its orbit, how long would it take for it to fall into the sun?

Brandon from cleveland asks

How long does it take bubble gum to digest after it is swallowed?

Hammad from Phoenix asks

If one were to drop an item on the surface of the sun, assuming the object could free fall to the...

Anthony Hamilton from Vancouver asks

Endel Tulving, Is it possible that what we call "remembering the past" and "imagining the future"...

Chelsea S asks

Can you explain paleomagnetism? From what I've read, I've learned that paleomagnetism is the study...

Bobby from Oak Ridge asks

I would like to know what causes inverted icicles. I have a photo I've just taken if you need to...

Sacha from Charleston asks

Yesterday I was watching "Hercules" with my little sister and now I wonder: Have the planets ever...

Tracy from the Internet asks

Why is a magnet classified as dangerous goods when shipping by air?

Roman Tanisis from Surrey, BC asks

I have an FM transmitter for my iPod. I find that when my hand is within 5 centimetres proximity to...

C. Erik Grisham from Washington asks

Is there an exact relationship between Gravitational forces and Centrifugal forces? If so, is...

Avishan from the Internet asks

What gives yellow corn and blue corn its color? What is the specific pigment and why?

Ken Hood from Batamans Bay, Australia asks

Can a normal late model petrol car engine be coverted to run on almost pure ethanol? How is this...

Davina from Vancouver, Canada asks

Why is it that when you get the chicken pox when you're little it's not as bad as getting it when...

Sean Polreis from Saskatoon asks

Suppose a truck transporting birds is weighed. Will there be a difference in weight depending on...

cheryl from singapore asks

I read that to find the efficiency of a fractional distillation column, you can distill a mixture...

Daniel from SIngapore asks

Is it possible to focus gamma rays into one beam and then reflect it off an orbiting mirror onto a...

Richard from Abilene asks

Are there any planned future deep space explorations planned say in the next 5 or so years. Surely...

Ali from Pakistan asks

Is it possible that a cell phone communication may start at 900 MHZ (or any other frequency) and...

Christian Martel from Montreal, QC asks

Would you know where I can find the temperature at which paper burns, and where I can find data for...

Joe from Atlanta, GA asks

Why are the water levels of the Atlantic and Pacific Oceans different at the Panama Canal if they...

Dan Van Brunt from Thunder Bay asks

Recently a friend of mine took a picture of what he thought was a grasshopper out at his camp far...

Melody from Maronville asks

Is taxonomy a rigorous, objective science?

Manny from Kanata, Ontario asks

Does caffeine affect  boys and girls' blood pressure differently?

Reatha Tillman from Ocean Pines, MD asks

A student gave me 4 pairs of different duck and goose feet. How can I preserve them? Do I dry them...

Lee Riffee asks

With all that the U.S. military is doing by developing laser weapons as an anti-missile defense, I...

Doug Tare from Freehold asks

Since hydrogen is being considered for fuel purposes it's minimum ignition energy (m.i.e.) of .02...

Bethany Garrison from Summerville, SC asks

My mom and I are having an argument. She claims that the gene for blonde hair will be wiped out...

Antoinette Tuthill from Dublin asks

Could insulin resistance have been a beneficial adaptation in times when food was not as plentiful?

Robin from Brighton asks

How is it that some people can 'float' while others seem unable to? In the sea I can quite happily...

Ashis from Mumbai asks

I want to know how ascorbic acid (vitamin-c) is metabolised in the body of fishes.

JP from Tempe asks

If you had a seamless sealed box which was lined with a 100% reflective material, and somehow...

Kris from Vancouver asks

I recently removed some mercury from a thermostat and I've been told by my teacher that to touch it...

Cathy from Thorhild, Alberta, Canada asks

How can we manually assist the freezing process of the ground. Temperatures have been above...

M.Shirley from Horam, E. Sussex, UK asks

ULUru is the aboriginal name for Ayer`s Rock, which was a sacred place for native Australian...

Mischa from Toronto asks

Black Holes, formed after the collapse of massive stars, are infinitely dense objects.Why is it...

Richard L. Gibbens from Colorado asks

My question concerns the latest news about the Cosmological Constant. Has it now been established...

Shane C. asks

Could you explain the idea that gravity could be thought of a depression or well, much like when a...

Selena from Surrey asks

Why can't humans listen to two things at the same time and get all the information for both?