H.D. Lail asks

What is the difference between animal hibernation and a human coma? These states appear similar,...

Steve Tran asks

Hi, my name is Steve and I am a junior bodybuilder. Which one gives you the red tan, the normal...

Kiana Stewart from Blacksburg asks

If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?

Michelle from San Jose asks

What are vinyl erasers made of?

Holly asks

What is the difference between a dolphin and a porpoise?

Sonia asks

How could I decrease the boiling point of a substance without changing the pressure of the liquid?

hart from the Internet asks

I understand that alkenes are more reactive than alkanes. I recently read however, in a new high...

Ian from London asks

How can I tell the difference between Zinc and Aluminium metal?

Karie from Toronto asks

Why do kids with blonde hair have dark brown hair when they're older? Is it the same process as...

Ben from the Internet asks

What exactly are Proton Spin Numbers, and how can you have a non-integer proton spin number?

Colin Genade asks

I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...

Thomas Seltsam from Austria asks

Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...

Ava Gabourel from New York asks

Who discovered High Blood Pressure and what year?

Kim Monin from Nepean, Ontario asks

I am trying to make natural beeswax into an ivory colour. Some people say they use natural dyes. ...

dina from Cairo, Egypt asks

I'm interested about light. I have two questions: What is the difference between scattering and...

Robert Steinhaus from Castro Valley asks

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

julie from Soledad asks

What is the polar nature of water?

Dawn from Santa Clarita asks

Is a seed a living thing? If so, how do you prove it? Is it living before you add water?

John Crowe from Dublin asks

If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...

Bertrand Xiao asks

Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?

John Jones asks

Why has our departmental tarantula, who lives in my office, retreated into a cardboard tube and...

Ernesto C Ignacio from Malabon City, Philippines asks

I understand that in some countries it is prohibited to use industrial acetic acid to make table...

Daniel Wong from Singapore asks

How do miners mine for Uranium?

Kay asks

How can a star become small and dense enough to become a black hole? My understanding is that a...

Shayne Paterson from Lincolnshire, UK asks

I am currently researching EMP for a essay at my college. My essay is looking at possible...

Leo Capistrano asks

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

Michel asks

If Humans and Apes are related, why aren't we able to reproduce together?

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Cristina asks

How far is the Sun from Pluto? How long does it take for sunlight to travel to Pluto?

Willam Lockie asks

What is the protocol used to determine where each country is allowed to put its satellites to avoid...

Kirsten from Toronto asks

What is in most nail polish removers?

Stevi asks

How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...

David Keirsey asks

What are the quantum numbers that are involved in the distinction between matter and antimatter? I...

kumar sah from Davis Ca. asks

I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...

C.L.Bridger asks

What chemical additives can be used to increase the octane rating of unleaded gasoline?

Jessica Muller from Hamilton, Canada asks

I have heard that some one discovered that the atom is actually made up of sound waves. Is there...

Daniel Eyre asks

How far is Pluto from the sun, and will we ever be able to travel to other planets, besides the...

Gabby Stec from Harrisburg asks

Why, specifically, do ferrite magnets gain strength in low temperatures?

Tom Henson from Bettendorf, Iowa asks

I am doing a science project on how light affects plant growth. If you could answer my 10...

Saurabh from New Delhi asks

Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....