Physicians often want to know the glucose and lipid levels in a patient's blood and whether...
I imagine there must be a gene for lactose tolerance in mammals and humans? They have to have it,...
There is this question in my physics book asking me to check out the ways plants wrap themselves...
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Is it possible for the air that we breathe to either run out or deteriorate to such an extent that...
from London, England
I've often wondered about this. It's kind of complicated, so bear with me... If a person suddenly...
from Pittsburgh, PA
I'm curious about the possibility of "real" superheroes. Even though I think...
from Fredericton, NB
What is the chemical in banana that causes drowsiness?
from Wellington NZ
I saw you answer to the composition of banana peels, but I would really like to know what chemical...
Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...
from Kintnersville, PA
Has anyone tried a vaccine (attenuated, similar pathogen, killed, toxoid, or subunit vaccine) for...
from Springville, NY
How many languages are there in the world?
from the Internet
What gives yellow corn and blue corn its color? What is the specific pigment and why?
Will Cyanide be a poison to brewer's yeast used to make beer?
How long does it take bubble gum to digest after it is swallowed?
from the Internet
In their book on the 'Mammals of Britain and Europe', MacDonald and Barrett state that Red Foxes...
from Ocean Pines, MD
A student gave me 4 pairs of different duck and goose feet. How can I preserve them? Do I dry them...
from Vancouver, Canada
Why is it that when you get the chicken pox when you're little it's not as bad as getting it when...
I want to know how ascorbic acid (vitamin-c) is metabolised in the body of fishes.
from Kanata, Ontario
Does caffeine affect boys and girls' blood pressure differently?
from Summerville, SC
My mom and I are having an argument. She claims that the gene for blonde hair will be wiped out...
Why do we not have a mouthwash that prevents plaque buildup and, hence, gum disease?
from santa barbara
I have heard somewhere that there is what could be described as a secondary brain in the large...
Dan Van Brunt
from Thunder Bay
Recently a friend of mine took a picture of what he thought was a grasshopper out at his camp far...
from New Tripoli, PA
What goes on during the change between isometric and isotonic in muscle cells? What does it look...
If the telomeres of a cloned organism are smaller than a non-cloned organism, and therefore may...
from Lac La Biche, Alberta, Canada
What experience and education should I get for a career in paleontology?
from Sacramento, CA
How long does it takes your hair to grow? How many years and how many inches?
How is it that some people can 'float' while others seem unable to? In the sea I can quite happily...
from palm springs
I'm just curious why we humans are the only species on this planet that have to manufacturer...
Why do both sexes of dabbling ducks have brightly coloured bills?
I would like to know if you could help me in my quest to making harsher laws about Driving Under...
from the Internet
Could you explain how to complete and find the genotypes and phenotypes of sexlinked, multiple...
from Central Butte, Sask
Could you tell me the symptoms when given either thalium or strychnine?
from New york
What does the word enzyme mean and how does it work in laundry detergent?
from Vancouver, BC
I've heard that alcohol can be passed to a baby through breast milk. Is this true and if so what is...
How large is a human genome? What percentage of the DNA in the Human Genome actually codes for...
Who is David Suzuki?
Who discoverd dinosaurs? Tyrell?
from Suwanee, Georgia
Why did humans develop pubic hair (facial, under arm, etc.)? And also why does the male voice...
How can I demonstrate the relationship between magnetism and organisms?
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