from Mississauga, Ontario
If Pluto is not a planet, how is it classified? What is it called now?
from Portland, Oregon
How are sand dollars bleached white? Is it by the sun or the sea?
from St.john's, NL
Ethanol is the focus of many tax dollars these days. It seems to me that the burning of any...
from New Delhi, India
What will happen if we use petrol in a diesel engine or vice versa?
Why is it that a difference in the number of electrons in an atom makes a completely different kind...
from Greenwood, Nova Scotia
Hi, I was just wondering, I wanted to get into the whole biology scheme of things when I get older...
from Elk Park
I have a wierd question: can a 250 lbs 5 foot 7 woman stand and walk on a 170lbs 6foot 2 man...
from Toronto, Ontario
Is there a difference between total recall and a photographic memory?
from New York
Is it true that the moon moves away from the earth a few centimeters each year? Also do satellites...
from Wellington NZ
I saw you answer to the composition of banana peels, but I would really like to know what chemical...
from Staten Island
How much energy in joules will be produced from an exploding mini black hole that is 10 micrograms...
What's smaller, a quark or a neutrino?
When a nuclear particle radiates either an Alpha, Beta or Gamma praticle can that process be...
from London, England
I've often wondered about this. It's kind of complicated, so bear with me... If a person suddenly...
There has been much mention of antimatter, such as antineutrinos. I was wondering what exactly...
from Ottawa, Ontario
I was just wondering what the ratio is between male and female scientists?
I imagine there must be a gene for lactose tolerance in mammals and humans? They have to have it,...
Can you tell me about enhancing mental performance and cognitive abilities through brain nutrition...
Could you please tell me what is inertia? Will it bring us more good than bad in our life? Will you...
from Las Vegas
What type of salt melts ice the quickest?
Why is it that when calculating the volume of a pyramid, such as a cone, you always have to divide...
How is aspartame synthesized (theoretically and within industrial processes)?
There is this question in my physics book asking me to check out the ways plants wrap themselves...
What is the chemical composition of basic aluminum, steel, and brass, and which metal conducts heat...
from Pittsburgh, PA
I'm curious about the possibility of "real" superheroes. Even though I think...
from Kuala Lumpur, Malaysia
Is it possible for the air that we breathe to either run out or deteriorate to such an extent that...
Why is the sky blue?
Since a plane's wing is designed to fly right side up, how does a plane stay up in the air when it...
What are the causes of Northern Lights? Do they have any relation to the green-house gasses in the...
For some reason, it is common knowledge in this community that when subjected to cold, hot water...
Joan & Colleen
Are cats left- or right-pawed? What percentage are left pawed/right pawed? We are doing some...
from San Diego
How is the spin imparted to a golf ball during the collision with a driver determined? The paradox...
What are the components of a fever strip and the chemical principles behind it?
from Fredericton, NB
What is the chemical in banana that causes drowsiness?
Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...
Given that the Earth's magnetosphere is what protects us and all life on Earth from the deadly...
In winter in very cold countries like Canada and Finland, most rivers, lakes and ponds freeze over....
I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV...
I have seen in a TV show that by a very high magnetic force field even non-magnetic substances...
What does the epiglottis do?
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