Why do trees lose their leaves?
I was watching a short documentary on how the Earth first came about. The part that was puzzling me...
At what age does your heart stop growing? I have just watched a program and a young girl was given...
I would like to know the basic principles of work of a solid state gyroscope, such as the ones used...
I'm writing a science-fiction novel and need information about black holes, gravitation and...
from Scarborough, Canada
Which part of the body has highest ph value?
from the Internet
How much chorline is added to drinking water? Why?
How high in the sky would Polaris the North Star be, as seen from the North Pole?
I read in books that bees cannot identify the colour white. Then what will the bees see instead of...
What are the names and locations in the universe of known black holes?
from Kamloops, BC
What is the Vir C gene/protein responsible for?
from Taree, Australia
Why is there no magnetic field in the centre of a bar magnet?
Is it true that only female bees can sting you? And if it is, why is that?
from Surrey BC
I have been trying to get an answer to: what kind of fire supression system may be on board the...
UML @ Lake.Sherwood .School
from Baton Rouge
What cause the red dye to explore when it leaves the bank during a robbery? Does the red dye ever...
Why does sound get through a surface like a wall better than light? If you use a curtain they both...
What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...
How do scientists type your blood? How do they find out your blood type?
I am quite confused with temperature scales! i would like to know the link between the degree...
from the Internet
I have a question which is a bit strange but in all honesty i don't know and i was hoping you could...
I was wondering what the breakdown products of ethanol in the body are .... water and what? What...
Gary John Walsh
What is a blue moon? When will the next one be? Are there ever two in the same year?
How do mirrors work? What makes them reflect?
from Sydney, Australia
I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...
from Dix Hills, NY
Animals eat leaves and grasses and this provides them nutrition. Can people take leaves off trees,...
from Poseyville, IN
How come you can boil an egg in a paper cup over hot coals and the cup does not burn up?
How are rocks made? What are the different kinds of rocks?
Loubelle I. Depita
from Koronadal City, South Cotabato, Philippines
Why is sterilizing & using alcohol effective against microorganism?
What are cosmic rays?
How can an ant hold up a weight which is 50 times more heavy than ant's own weight?
What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...
What differences are there in the three different types of lemmings?
Do you have a "Sea-Monkey" life cycle?
from New Delhi
I have an e-DNA (environmental DNA) sample in a vial. How can I learn if the given e-DNA sample is...
I am looking for information on the molecular level electromagnetic resonance frequency of various...
How do farmers produce a product like seedless mandarins if they don't have any seeds to plant?
What causes asteroids to burn up once they enter earth's atmosphere?
The Tucker Family
How many people have ever lived on earth? We have found data giving the population at differen...
Whenever I drop a piece of cork, plastic or metal into a container of water, it always floats on...
from Salem, VA
I heard that many cereals are fortified with iron chips on the actual cereal. Is there an...
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