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Ian Hancock from Calgary asks

In Chemistry today, we learned that when HCl is ionized in water, the H2O becomes H3O+, because of...

Samantha from London asks

At which age do the nasal bones and the mandible complete ossification?

Atul Mulay asks

What chemical reaction takes place when you use henna to tint skin? Is it possible to extract the...

Markovic Ljiljana asks

When and how was the kaleidoscope made?

Ram Ajore from Delhi, INDIA asks

What are the ways in molecular biology to show confirmation of hybridization on a solid surface for...

Cathy Schroeder asks

Why do batteries behave differently when kept at different temperatures? In my science project a...

Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks

Why are egg & milk used as antidotes for heavy metal poisoning and what other household remedies...

Karl-Alexander berg brisebois from Dunham asks

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

David Keirsey asks

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

Lee Ming Fei asks

Why does chalk, a cylinder, always break into three pieces when it falls, and not into two or four...

Brandi asks

Can air in the pleural cavity cause the lungs to expand more fully than they normally would?

Trevin H. from Rocklin asks

I would like to know the chemical compostion of the venom in a yellow jacket wasp sting, the dosage...

Derrick Smith from Jacksonville asks

In science fiction it is common to see P-P fusion, but my reading seems to indicate it is...

Aaron Johnston asks

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

Russell J. Wells Jr. from Dearborn Hts., Mich. asks

Why is the efficiency of most all lasers limited to .1% to 30%? What are the limiting factors? What...

Rod from canterbury asks

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

Charcoal from the Internet asks

What makes classifying dogs in breeds different from classifying humans in races? I thought that...

George Murphy asks

An article in the National Geographic magazine describes the Big Bang event as linear in form. Does...

Robert Wahl asks

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

Totoro asks

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

David Graveline asks

What are the most recent theories about what existed before our big bang? Have there been one or...

D. Andrew White from Toronto asks

Do different isotopes vary slightly in chemical properties? Or are they the same? i.e. are the...

peel from the Internet asks

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

Aliahs Ahmadzai from Maple Ridge, BC asks

When you get a lighter and get a piece of metal and you turn on the lighter and put it over the...

Jerry E. Allen asks

Is it possible to freeze water in a vacuum? Is there a chart that shows water temperature vs....

Donald from Halifax asks

If neutrinos have mass, as now seems to be the case, they cannot travel at the speed of light …...

Lisa from London asks

When does each organ system of the human body reach full maturity?

Citre asks

What kind of weather is on Mercury and Saturn? Does it rain or snow on these planets?

Tridib Das from Guwahati, Assam, India asks

Just like 1 mole of water contains Avogadros number of molecules and has the same mass as that of...

Darrin asks

Why does an atom have neutrons and why does a specific atom have a limited amount of isotopes. For...

Mark Seymour asks

Why are there no penguins in the Arctic, or anywhere in the Northern Hemisphere?

Amanda from Calgary asks

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

Carla Becker from Dallas asks

If we are making a perfume and we pour alcohol on an orange peel; why would the smell increase the...

Jonas Malmgren asks

Is the interstellar space between the galaxies completely empty? Not even a single star or a nebula?

Leo Capistrano asks

How long would a single molecule of a radioactive element last? If the half-life of U-235 reduces...

Robert Steinhaus from Castro Valley asks

Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...

Marcel Leone asks

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

Tyler Salo asks

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

Nathaniel P. Luga from Cebu City asks

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

James Hope from Gloucester asks

I have a physics paper here (don't worry i am not asking you for the answers!) that says each U-235...