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Daniel from Singapore asks

Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...

Ahmad asks

What are neutrinos and positrons?

Sara asks

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

samantha from Sarnia asks

Is it true that only female bees can sting you? And if it is, why is that?

Mauro Mavrinac from Ottawa asks

Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...

Karen from Ottawa, Canada asks

Why do your fingernails grow a lot faster than your toenails?

Christina from Kamloops, BC asks

What is the Vir C gene/protein responsible for?

Dixie from Los Angeles asks

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

Neil O. from Oshawa asks

What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...

Jeremy from Mustang asks

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

Olivia from Sydney asks

I was wondering about planet orbit paths and if they change. I read that a change in the Earth's...

TINA from the Internet asks

How much chorline is added to drinking water? Why?

Courtney asks

How do mirrors work? What makes them reflect?

Gary John Walsh asks

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

Satya from Scarborough, Canada asks

Which part of the body has highest ph value?

David Holt asks

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

GRACE JAJA from the Internet asks

How long does it take radio waves to reach saturn?

Eddie Curtis from Portland asks

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

Richard Morley from Flesherton asks

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

Kirsten from Toronto asks

What is in most nail polish removers?

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...

John Jones asks

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

Dan asks

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

Alexis Rolling from Nampa, Alberta,Canada asks

Why was Mars formed?

Shaun Carney from the Internet asks

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

charl mai from Vancouver, Canada asks

Among the techniques that are being used to determine the identity of an unknown person, for...

from asks

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

Joe Joe from Scarbrough asks

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

Andrea from Sydney, Australia asks

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

Andrea from London asks

In chemistry, how do you know what the formula of a compound is? For example, how do you know if it...

Christina from Orland Park asks

Why are most people right handed instead of left?

Becca Thompson asks

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

Aditya from Noida, India asks

How does plant's inner cells respire?

Zulfikar Yassim asks

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

Ashé from Taree, Australia asks

Why is there no magnetic field in the centre of a bar magnet?

garrett from scarborough asks

Why is the common garter snake so common?

Lola from the Internet asks

I am doing a science fair project about if temperature affects the digestion of protein or not. To...

Nameless from Internet asks

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

Chloe Jones from London asks

Why do trees lose their leaves?

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...