Physicians often want to know the glucose and lipid levels in a patient's blood and whether...
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 New Delhi, India
What will happen if we use petrol in a diesel engine or vice versa?
from Staten Island
How much energy in joules will be produced from an exploding mini black hole that is 10 micrograms...
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...
I imagine there must be a gene for lactose tolerance in mammals and humans? They have to have it,...
There has been much mention of antimatter, such as antineutrinos. I was wondering what exactly...
When a nuclear particle radiates either an Alpha, Beta or Gamma praticle can that process be...
Can you tell me about enhancing mental performance and cognitive abilities through brain nutrition...
What is the chemical composition of basic aluminum, steel, and brass, and which metal conducts heat...
There is this question in my physics book asking me to check out the ways plants wrap themselves...
from Ottawa, Ontario
I was just wondering what the ratio is between male and female scientists?
How is aspartame synthesized (theoretically and within industrial processes)?
Could you please tell me what is inertia? Will it bring us more good than bad in our life? Will you...
from Pittsburgh, PA
I'm curious about the possibility of "real" superheroes. Even though I think...
Is snow a conductor or an insulator?
from London, England
I've often wondered about this. It's kind of complicated, so bear with me... If a person suddenly...
from Kuala Lumpur, Malaysia
Is it possible for the air that we breathe to either run out or deteriorate to such an extent that...
from Las Vegas
What type of salt melts ice the quickest?
from Wellington NZ
I saw you answer to the composition of banana peels, but I would really like to know what chemical...
Why is it that when calculating the volume of a pyramid, such as a cone, you always have to divide...
from San Diego
How is the spin imparted to a golf ball during the collision with a driver determined? The paradox...
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 components of a fever strip and the chemical principles behind it?
Can you please provide background information on catalase and how it affects substrates such as...
Why is the sky blue?
from Fredericton, NB
What is the chemical in banana that causes drowsiness?
For some reason, it is common knowledge in this community that when subjected to cold, hot water...
Given that the Earth's magnetosphere is what protects us and all life on Earth from the deadly...
I have seen in a TV show that by a very high magnetic force field even non-magnetic substances...
What's smaller, a quark or a neutrino?
Joan & Colleen
Are cats left- or right-pawed? What percentage are left pawed/right pawed? We are doing some...
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...
Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...
I am doing a science fair project to measure which type of ibuprofen dissolves fastest in stomach...
from Canberra Australia
Some shampoo is coloured in the bottle (purple or green) etc, why when you lather it up in your...
What does the epiglottis do?
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