Alexis Rolling from Nampa, Alberta,Canada asks

Why was Mars formed?

Cristina asks

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

Vanessa from Calgary asks

What is the history of solar ponds and what trends are expected for solar ponds in the future?

Kiran Gupta from Singapore asks

Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...

Kelvin from Markham asks

Why does the Original Coke sink into the water, when Diet Coke floats in the water?

Steve Tran asks

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

David Keirsey asks

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

Duane from the Internet asks

If two magnets are in contact with each other or close proximity to each other either repulsing or...

Ernie Epp from Kenora, ON asks

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

Fern Marques from North Bay, Ontario asks

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

Felicia asks

Is it true that if you're pegnant and you get sick, there is a chance your baby will get sick?

Leo Capistrano asks

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

Chris from J-town asks

A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...

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...

John Jones asks

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

Shayne Paterson from Lincolnshire, UK asks

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

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...

Daniel Wong from Singapore asks

How do miners mine for Uranium?

M Harish from Mumbai asks

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

hart from the Internet asks

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

Kay asks

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

Teresa Golebiewski asks

Why doesn't oil freeze? Would it freeze at -270 degrees?

Jonathan Weiler asks

Would it be possible to clone dinosaurs?

Kiana Stewart from Blacksburg asks

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

Kim Monin from Nepean, Ontario asks

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

Sherri from Baltimore asks

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

Leah W. from Duluth asks

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

Mohsen Omrani from Tehran, Iran asks

I am interested in Computational NeuroScience, particularly in Colour Vision, Land's Effect, and...

Sonia asks

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

Michelle from San Jose asks

What are vinyl erasers made of?

dina from Cairo, Egypt asks

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

Gabby Stec from Harrisburg asks

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

Michel asks

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

Yossi Truzman from Ra`anana asks

In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...

C.L.Bridger asks

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

Colin Genade asks

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

Holly asks

What is the difference between a dolphin and a porpoise?

jacqui from Stockleigh Pomeroy asks

Explain recessive gene disease and what happens to the DNA to cause parents to be carriers.

Ahmad asks

What are neutrinos and positrons?

Saurabh from New Delhi asks

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