I imagine there must be a gene for lactose tolerance in mammals and humans? They have to have it,...
from Toronto, Ontario
Is there a difference between total recall and a photographic memory?
Nick (via his mother Illan)
from Denver, Colorado
I put frozen spinach, fresh spinach, canned spinach, frozen peaches, fresh peaches and canned...
from New Delhi, India
What will happen if we use petrol in a diesel engine or vice versa?
from New York
Is it true that the moon moves away from the earth a few centimeters each year? Also do satellites...
from Staten Island
How much energy in joules will be produced from an exploding mini black hole that is 10 micrograms...
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...
There has been much mention of antimatter, such as antineutrinos. I was wondering what exactly...
Could you please tell me what is inertia? Will it bring us more good than bad in our life? Will you...
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 Ottawa, Ontario
I was just wondering what the ratio is between male and female scientists?
There is this question in my physics book asking me to check out the ways plants wrap themselves...
What are the components of a fever strip and the chemical principles behind it?
What is the chemical composition of basic aluminum, steel, and brass, and which metal conducts heat...
from San Diego
How is the spin imparted to a golf ball during the collision with a driver determined? The paradox...
Physicians often want to know the glucose and lipid levels in a patient's blood and whether...
How is aspartame synthesized (theoretically and within industrial processes)?
from Fredericton, NB
What is the chemical in banana that causes drowsiness?
Why is it that when calculating the volume of a pyramid, such as a cone, you always have to divide...
Since a plane's wing is designed to fly right side up, how does a plane stay up in the air when it...
from London, England
I've often wondered about this. It's kind of complicated, so bear with me... If a person suddenly...
I have seen in a TV show that by a very high magnetic force field even non-magnetic substances...
Given that the Earth's magnetosphere is what protects us and all life on Earth from the deadly...
Joan & Colleen
Are cats left- or right-pawed? What percentage are left pawed/right pawed? We are doing some...
from Pittsburgh, PA
I'm curious about the possibility of "real" superheroes. Even though I think...
from Las Vegas
What type of salt melts ice the quickest?
In winter in very cold countries like Canada and Finland, most rivers, lakes and ponds freeze over....
What does the epiglottis do?
Why is the sky blue?
from Springville, NY
How many languages are there in the world?
I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV...
I am a novice and I am looking to buy a telescope for around $350. Which one would be better for...
I am doing a science fair project to measure which type of ibuprofen dissolves fastest in stomach...
Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...
from Canberra Australia
Some shampoo is coloured in the bottle (purple or green) etc, why when you lather it up in your...
A. S. Kaire
If the earth were suddenly stopped in its orbit, how long would it take for it to fall into the sun?
from Carlisle, PA
What is the chemical formula for milk?
from Kintnersville, PA
Has anyone tried a vaccine (attenuated, similar pathogen, killed, toxoid, or subunit vaccine) for...
from Nottingham, England
Is gravity lumpy? If you were standing in a valley, then on a mountain, would your weight be less...
Most often, your question can be answered by going to the following areas
If you have a different question, please search our archives
If your question has not already been answered, you may Ask-a-Scientist.
Created by the science.ca team, Copyright © 2001, 2015 GCS Research Society. Visitor agreement.