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Nick from Melbourne asks

I'm wondering if I have a tube filled with argon gas, or some other inert gas, and heat up a...

Jasmin from Brighton asks

Why are tanks (such as scuba diving tanks, for example) always designed in a cylindrical shape? In...

James Hope from Gloucester, UK asks

My dad was saying that radio waves from TV transmitter stations can burn you severely if you are...

M Anderson asks

If you could dig a hole from one side of the earth to the other passing though the core, what would...

Manny from Kanata, Ontario asks

Does caffeine affect  boys and girls' blood pressure differently?

Jenifer from Vancouver, B.C. asks

Recently I read that U.S. scientists say the ozone layer is shrinking over Antarctica. I would be...

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...

Semutblue from the Internet asks

Is there a liquid chemical that will glow when electricity is passed through it? What voltage would...

Paul Paura from Mississauga asks

how will Hydrogen work as an Assist Gas for Diesel Trucks (Transportation Industry). After doing...

Kris from Vancouver asks

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

deepak from friendswood asks

Will sodium or ammonium nitrate react with hydrogen sulfide ? If yes, what are the expected...

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...

JP from Tempe asks

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

Shane C. asks

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

Anthony Hamilton from Vancouver asks

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

Ashis from Mumbai asks

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

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...

Lee Riffee asks

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

Dave asks

Is it possible for a girl to get pregnant even if the man did not fully ejaculate? If a man and...

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...

Nancy rosamond from Owen Sound, Ontario asks

When I grew up most oranges grapes and other fruit had seeds. This was the normal fruit and...

Yevgeniy Perev from Staten Island asks

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

Sean Polreis from Saskatoon asks

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

Jim Weaver from Lancaster, PA, USA asks

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

Joe from Atlanta, GA asks

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

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...

Swaminathan N from Chennai asks

Why do aqueous ionic solutions have less thermal conductivity than pure water?

Angie from New Tripoli, PA asks

What goes on during the change between isometric and isotonic in muscle cells? What does it look...

Richard L. Gibbens from Colorado asks

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

Doug Tare from Freehold asks

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

Chelsea S asks

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

Hugo Verissimo from Lisbon asks

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

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...

darren liew from Singapore asks

How many times a year can you see the eclipse of the moon???

bruce marshall from Davie asks

In energy transformations, even on the subatomic level, is some energy always lost as thermal...

cheryl from singapore asks

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

Selena from Surrey asks

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

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...

Barbara Berghoff from Illinois/usa asks

I need to know what dissipates into the air during a salt analysis titration. I do this at work...

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...