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Denise Atkins asks

What causes asteroids to burn up once they enter earth's atmosphere?

Shagufta asks

What are cosmic rays?

Ahmad asks

What are neutrinos and positrons?

Shaun Carney from the Internet asks

What keeps electrons from eventually falling into the nucleus of an atom if they are attracted by...

Sara asks

If the first dimension is length, the second is width, and the third is depth/height, what's the...

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Amelia Singh from scarborough asks

How are rocks made? What are the different kinds of rocks?

Gary John Walsh asks

What is a blue moon? When will the next one be? Are there ever two in the same year?

Jim from Yorkton asks

Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?

Cynthia Everhart from Leesburg asks

My neice is being tested for an unknown cause to her developemental delay. She has recently been...

sabiha yamin from lahore, pakistan asks

I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...

Dixie from Los Angeles asks

What is a simple way to explain miscible and immiscible liquids?

Satya from Scarborough, Canada asks

Which part of the body has highest ph value?

Dan asks

How many galaxies do we know about and what are their names? When will the first human go to Mars?

Jeremy from Mustang asks

I am doing a science fair project and the question is this....Can people remember things better if...

John Douglass asks

Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...

Steve T from Kingston, ON asks

Light is refracted because its speed decreases when it enters a denser medium. Why does it speed...

from asks

I would like to know the basic principles of work of a solid state gyroscope, such as the ones used...

Anton St-Jacques from Kingston asks

I heard that all cells only come from existing cells. If this is true, how did the first cells...

garrett from scarborough asks

Why is the common garter snake so common?

Eddie Curtis from Portland asks

What differences are there in the three different types of lemmings?

Alexis Rolling from Nampa, Alberta,Canada asks

Why was Mars formed?

Gary Kolling asks

What term is applied to all processes and physical measurements carried out under conditions of...

TINA from the Internet asks

How much chorline is added to drinking water? Why?

Steven Kelliher from Abington/ MA asks

I know this must get asked a lot, but I was wondering, and doing research on the topic and am...

Nameless from Internet asks

If we were produced from ONE cell with ONE type of DNA how could it have reproduced into trillions...

Joe Joe from Scarbrough asks

What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...

Justin Murphy from Coquitlam asks

How does what we smell affect what we taste?

Zulfikar Yassim asks

A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...

David Holt asks

How do farmers produce a product like seedless mandarins if they don't have any seeds to plant?

Aditya from Noida, India asks

How does plant's inner cells respire?

Christina from Orland Park asks

Why are most people right handed instead of left?

Christina from Kamloops, BC asks

What is the Vir C gene/protein responsible for?

Andrea from Sydney, Australia asks

I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...

John Wood from Binmaley, Philippines asks

Why do (nearly) all birds move in a jerking motion as compared with other animals that move...

Colin Genade asks

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

Charles from Vancouver, BC asks

The earth receives energy in the form of radiation from the sun. Some is re-emitted into space and...

Becca Thompson asks

What are the names and locations in the universe of known black holes?

GRACE JAJA from the Internet asks

How long does it take radio waves to reach saturn?

Richard Morley from Flesherton asks

Do you have a "Sea-Monkey" life cycle?