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Danielle Panchuk from Calgary asks

Why after drinking massive amounts of alcohol, which is a liquid, do you wake up dehydrated the...

A F Jenks from Nelson, NZ asks

When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...

Matt from Ottawa asks

Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...

Dallin Shaner from the Internet asks

What is the scientific explanation of why a magnet's magnetism would decrease or increase when its...

Amanda Gillis from Margaree asks

What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...

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?

Fern Marques from North Bay, Ontario asks

How can planetary angular momentum be tranferred from one body (Earth's rotation) to another...

erin asks

Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?

shane from doylestown asks

How do scientists type your blood? How do they find out your blood type?

Steve Tran asks

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

Nijin from khd asks

I read in books that bees cannot identify the colour white. Then what will the bees see instead of...

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...

Leah W. from Duluth asks

What is the smallest living thing? What is the largest living thing?

Zambi Donburi from Brisbane, Australia asks

Is it true that no mass can travel at the speed of light? If this is true, as you are nearing the...

Kirandeep from Ludhiana asks

Why do proteins form lather on making their solutions?

Aime Roger from Halifax asks

I am quite confused with temperature scales! i would like to know the link between the degree...

Gabby Stec from Harrisburg asks

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

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?

Pierce H. asks

Does mercury in its gas form act the same way as air - I mean if heated, does it rise?

Willam Lockie asks

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

Nikhil Bhansali from New Delhi asks

Why are the lipids found in the human body mostly even numbered?

Rehan Ahmed from Rahim yar Khan, Pakistan asks

What is vacuum ? How is it created because if we remove the air then the instrument in which we...

Ethan Heil from Salem, VA asks

I was reading about the tensile strength of certain fabrics, and was wondering what kind of...

M Harish from Mumbai asks

Why does a bar magnet repel when it breaks?    n====|====s

Betsy Kirk asks

What is happening when someone plays a song on wine glasses? They are filled with different...

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

Why does Nitric Acid stain the human skin yellow?

Steve from Honolulu, HI asks

I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...

Harrison from the Internet asks

Why does decaying food cause gas? I have been trying to find resources but can't find any could you...

julie from Soledad asks

What is the polar nature of water?

Ernie Epp from Kenora, ON asks

Collision of galaxie clusters. In recent news reports that I've read it has been reported...

Tony Kirk asks

Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...

Jestin from India asks

Why rainbow is a bow?

tina from the Internet asks

Will pea seeds germinate slower in a liquid substace other than water? why? I am conducting an...

Darren Connell from the Internet asks

We have the ability to use sound frequency to cancel out unwanted sounds, and since light is a...

Ava Gabourel from New York asks

Who discovered High Blood Pressure and what year?

Michel Lamontagne from Edmonton asks

Why does sound get through a surface like a wall better than light? If you use a curtain they both...

Sherri from Baltimore asks

Does Henna (a plant based hair dye) contain any aluminum in its substances?

Vasu from London,ON asks

Is it possible for a singularity to form outside a black hole?

deepak singhal from Bangalore (India) asks

Before getting married should we consider blood groups of both individuals? Is there any...