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If Pluto is not a planet, how is it classified? What is it called now?
Julie from Portland, Oregon asks
How are sand dollars bleached white? Is it by the sun or the sea?
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Ethanol is the focus of many tax dollars these days. It seems to me that the burning of any...
Rory from winnipeg asks
Why is it that a difference in the number of electrons in an atom makes a completely different kind...
Zach from Greenwood, Nova Scotia asks
Hi, I was just wondering, I wanted to get into the whole biology scheme of things when I get older...
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What will happen if we use petrol in a diesel engine or vice versa?
Sandra Roberts from Toronto, Ontario asks
Is there a difference between total recall and a photographic memory?
Yevgeniy Perev from Staten Island asks
How much energy in joules will be produced from an exploding mini black hole that is 10 micrograms...
Kate Cunningham from Wellington NZ asks
I saw you answer to the composition of banana peels, but I would really like to know what chemical...
Mateusz from New York asks
Is it true that the moon moves away from the earth a few centimeters each year? Also do satellites...
Michal Jaworski from Calgary asks
When a nuclear particle radiates either an Alpha, Beta or Gamma praticle can that process be...
Steph from London, England asks
I've often wondered about this. It's kind of complicated, so bear with me... If a person suddenly...
James from Montreal asks
There has been much mention of antimatter, such as antineutrinos. I was wondering what exactly...
Rafael Bourdieu asks
Can you tell me about enhancing mental performance and cognitive abilities through brain nutrition...
Kristina from Ottawa, Ontario asks
I was just wondering what the ratio is between male and female scientists?
Avadhuta Raya from Amsterdam asks
I imagine there must be a gene for lactose tolerance in mammals and humans? They have to have it,...
Monse from Las Vegas asks
What type of salt melts ice the quickest?
Heidi from Malaysia asks
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Sébastien Morin asks
How is aspartame synthesized (theoretically and within industrial processes)?
Kelvin C from GTA asks
Why is it that when calculating the volume of a pyramid, such as a cone, you always have to divide...
Sam asks
There is this question in my physics book asking me to check out the ways plants wrap themselves...
Ryan from Pittsburgh, PA asks
I'm curious about the possibility of "real" superheroes. Even though I think...
luke kujawa from armada asks
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Jonathan from Kuala Lumpur, Malaysia asks
Is it possible for the air that we breathe to either run out or deteriorate to such an extent that...
Jim Davis asks
For some reason, it is common knowledge in this community that when subjected to cold, hot water...
kaushik from bangalore asks
Why is the sky blue?
Tim Wiebe asks
Since a plane's wing is designed to fly right side up, how does a plane stay up in the air when it...
Dave asks
Is it possible for a girl to get pregnant even if the man did not fully ejaculate? If a man and...
Richard from Flesherton asks
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Steve Arkin from San Diego asks
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JP from Chandler asks
Given that the Earth's magnetosphere is what protects us and all life on Earth from the deadly...
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What is the chemical in banana that causes drowsiness?
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Jim from Philadelphia asks
Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...
Anthony Daddazio from Maple asks
I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV...
Michael Parks from Scotch Lake, Cape Breton, N.S. asks
If nothing can escape from a black hole, how come we are here? The big bang must have...
Lisa Pearce from Gympie asks
In winter in very cold countries like Canada and Finland, most rivers, lakes and ponds freeze over....
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