Why do I see green and orange lines in a sodium ion when my flame is the color of yellow?
How high in the sky would Polaris the North Star be, as seen from the North Pole?
Why after drinking massive amounts of alcohol, which is a liquid, do you wake up dehydrated the...
from Kamloops, BC
What is the Vir C gene/protein responsible for?
I read in books that bees cannot identify the colour white. Then what will the bees see instead of...
In microwave transmission sometimes we use power in positive e.g +13db and sometimes in negative...
from Taree, Australia
Why is there no magnetic field in the centre of a bar magnet?
What are the names and locations in the universe of known black holes?
Is it true that only female bees can sting you? And if it is, why is that?
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...
How can an ant hold up a weight which is 50 times more heavy than ant's own weight?
I would like to know the basic principles of work of a solid state gyroscope, such as the ones used...
I am quite confused with temperature scales! i would like to know the link between the degree...
Gary John Walsh
What is a blue moon? When will the next one be? Are there ever two in the same year?
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 do mirrors work? What makes them reflect?
What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...
How do scientists type your blood? How do they find out your blood type?
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...
I was wondering what the breakdown products of ethanol in the body are .... water and what? What...
from Surrey BC
I have been trying to get an answer to: what kind of fire supression system may be on board the...
Why does sound get through a surface like a wall better than light? If you use a curtain they both...
from Dix Hills, NY
Animals eat leaves and grasses and this provides them nutrition. Can people take leaves off trees,...
What are cosmic rays?
I'm writing a science-fiction novel and need information about black holes, gravitation and...
What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...
I am looking for information on the molecular level electromagnetic resonance frequency of various...
What differences are there in the three different types of lemmings?
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...
What causes asteroids to burn up once they enter earth's atmosphere?
At what age does your heart stop growing? I have just watched a program and a young girl was given...
The Tucker Family
How many people have ever lived on earth? We have found data giving the population at differen...
Loubelle I. Depita
from Koronadal City, South Cotabato, Philippines
Why is sterilizing & using alcohol effective against microorganism?
from Sydney, Australia
I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...
I was watching a short documentary on how the Earth first came about. The part that was puzzling me...
Whenever I drop a piece of cork, plastic or metal into a container of water, it always floats on...
Do you have a "Sea-Monkey" life cycle?
How are rocks made? What are the different kinds of rocks?
How do farmers produce a product like seedless mandarins if they don't have any seeds to plant?
How are genes located? For instance, Lap-Chee Tsui and his team of geneticists located the...
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