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Dom Elbon from Nottingham, England asks

Is gravity lumpy? If you were standing in a valley, then on a mountain, would your weight be less...

Anthony Hamilton from Vancouver asks

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

Toby asks

I have seen in a TV show that by a very high magnetic force field even non-magnetic substances...

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...

Ashley Robertson asks

How do "bath bombs" work? Why do they fizz when placed in water?

Carl Hinton from Northampton asks

I was taught at school that the building blocks of all matter were quarks, yet a neutrino is at...

Sacha from Charleston asks

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

Marnie from Burlington, Ontario asks

My roommate insists that the first day of Spring falls on March 21st every year, yet on the...

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...

Tamara Bain from Edmonton asks

My brother and I have a very important bet and it is about the following: If you remove the...

Chelsea S asks

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

Joe from Atlanta, GA asks

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

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...

Manny from Kanata, Ontario asks

Does caffeine affect  boys and girls' blood pressure differently?

Yevgeniy Perev from Staten Island asks

If we assume that Whitten's new Twistor String Theory is correct, with no real extra demensions,...

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...

Ashis from Mumbai asks

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

Richard from Abilene asks

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

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?

Sean Polreis from Saskatoon asks

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

Hugo Verissimo from Lisbon asks

We know that cosmic microwave background is 2.725 kelvin. We know universe was some 13Billion years...

Jason from Vernon asks

Does a volcano erupt for a certain time limit? And, is there a known degree of heat that the magma...

C. Erik Grisham from Washington asks

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

vijay kumar from BHOPAL INDIA asks

I have 30 liter sulfuric acid solution of 1.190 specific gravity, to make it stronger to 1.200 how...

Ali from Pakistan asks

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

Antoinette Tuthill from Dublin asks

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

hardik harsora from rajkot asks

1) How do we identify the age of any object in space like galaxies, etc.? 2) What technology is...

Selena from Surrey asks

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

David Ewing from Sugar Land, Texas asks

In the field of shape recognition, is there a way to register a single frame, such as the outline...

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...

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...

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...

Jim Weaver from Lancaster, PA, USA asks

Since most dehumidifiers work on the principle of condensing on an aluminum coil, is there a...

christine from Ontario asks

What is the chemical process of making Cocodimonium Hydroxypropyl Hydrolyzed Wheat Protein? What's...

Salman Sattar asks

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

JP from Tempe asks

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

Brandon from cleveland asks

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

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...

Tracy from the Internet asks

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

Robin from Brighton asks

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