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A.E. asks

Why do we have five fingers? My idea is that one of nature's themes is "having enough." It's like a...

jose from miramar asks

Does fabric softener affect drying time of towels?

Karl-Alexander berg brisebois from Dunham asks

Heisenberg's uncertainty principle tells you that the mass of a particle multiplied by the...

Marcel Leone asks

Is gravity considered to be one of the forms of energy such as electricity, heat, light,...

David Keirsey asks

How did neutrinos get to be objects of such low energy? Neutrinos are supposed to have been...

Grade One, Chesterville Public School from Chesterville, Ontario asks

What do you feed baby praying mantises? We found a mother praying mantis who laid an egg sack on a...

Joaquin Cornejo from Los Angeles asks

Why do dry cell batteries (rechargeable) need to be fully drained before they can be recharged?

Nathaniel P. Luga from Cebu City asks

What chemical or chemicals that can desolve a strong concrete structure, and what is its mixture...

peel from the Internet asks

What would happen if the nucleus of an atom contained too many or too few neutrons, or even none? ...

bahar from iran asks

We want to know, when we burn NaCl, what happens to Cl?

Kevin Pagn from Vancouver asks

Is a nerve impulse considered an electric current since it induces a magnetic field?

eddie poirier from Orange City, Florida asks

I have always heard that distilled water is a poor conductor of electricity. Is this true and if...

Harriet Quaide from Birmingham asks

Is it possible to test for, and diagnose, mitochondrial disorders, after death? How? Can this be...

Totoro asks

How do antiperspirant products work? Could you use one on your chest to prevent sweating?

Akin from Winnipeg asks

Why does HIV form resistance to ARV so quickly? HIV reproduces itself millions and millions of...

Robert Wahl asks

Is it true that bats don't pass their food through but vomit it up while they are hanging upside...

George Chronis from Toronto asks

I have a few questions regarding Space-Time that have always confused me. I would very much...

Amanda from Calgary asks

I am interested in finding more information on how to detect the presence of arsenic in the foods...

Brooke from the Internet asks

How do you find the solubility of a substance?

Hongyi Li asks

Does antimatter's gravity have the same properties ordinary matter?

Pierre Charbonneau, Eng. from Jonquière, Quebec, Canada asks

Is there actually a strobe light on the International Space Station? I saw in the sky a sequence of...

Helen from Toronto asks

How can you extract the bacteriocins (colicins) from E. Coli? I would like to test the...

Mridu from Toronto asks

Specific tissues are meant to perform specific functions. Is it possible to transfer different...

Kelly asks

What is the structure of chicken bone?

Jordan Duncan from Prince George, BC Canada asks

I need to know what happens to wood (softwoods, hardwoods and kiln dried woods) when they are...

Amie from West Harrison asks

How do you get rid of duck weed in a pond?

Jen Collard from Brockville asks

Light cannot escape from a black hole, because of the black hole's mass. If this is true, then...

Ron Belmont asks

How do you calculate potential energy for an object which is sitting on the floor? PE=mgh, which...

Aaron Johnston asks

What would make it possible for a man to move through solid objects? Is it at least in theory...

Stephen Leece from London asks

I am currently researching how sugar (sucrose) reacts with various chemicals. I am particularly...

sarah gubbs from quebec asks

If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute...

Tyler Salo asks

When rockets were sent to Jupiter, did scientists get any readings? Does Jupiter have a solid...

Marie from Rochester asks

My whole family plays hockey. We have frequently discussed how long of a shift should be and with...

Nedim from Atlanta asks

For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...

Yevgeniy Perev from Staten Island asks

When our galaxy will absorb the 2 Magellanic Clouds, that will produce a starburst. For how long...

Rod from canterbury asks

Is there any magnetic shielding material which is not itself attracted by a magnet?

Gaston Fournier asks

NASA has recently detected the presence of ice on the moon. Since the moon is surrounded by void...

Phil asks

What are the chemical properties of phosphorus?

nijin k from Khd asks

What is the heat wanted to melt the hardest substance in the world?

Morten Aasbak from Bergen, Norway asks

I came across a "water powered clock", and it can supposedly generate power from water alone. My...