Ahmad asks

What are neutrinos and positrons?

Jim from Yorkton asks

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

Karen from Ottawa, Canada asks

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

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...

Courtney asks

How do mirrors work? What makes them reflect?

Dixie from Los Angeles asks

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

Olivia from Sydney asks

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

Daniel from Singapore asks

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

Satya from Scarborough, Canada asks

Which part of the body has highest ph value?

Dave from the Internet asks

Hi, I am looking for a procedure that I can use for a science investigation. We are testing water...

Jeremy from Mustang asks

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

John Jones asks

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

Christina from Kamloops, BC asks

What is the Vir C gene/protein responsible for?

Dan asks

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

GRACE JAJA from the Internet asks

How long does it take radio waves to reach saturn?

Gary John Walsh asks

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

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...

Eddie Curtis from Portland asks

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

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...

Richard Morley from Flesherton asks

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

Alexis Rolling from Nampa, Alberta,Canada asks

Why was Mars formed?

David Holt asks

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

Kirsten from Toronto asks

What is in most nail polish removers?

TINA from the Internet asks

How much chorline is added to drinking water? Why?

Andrea from Sydney, Australia asks

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

Justin Murphy from Coquitlam asks

How does what we smell affect what we taste?

Nameless from Internet asks

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

Christina from Orland Park asks

Why are most people right handed instead of left?

Shaun Carney from the Internet asks

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

Becca Thompson asks

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

Zulfikar Yassim asks

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

garrett from scarborough asks

Why is the common garter snake so common?

from asks

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

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...

Aditya from Noida, India asks

How does plant's inner cells respire?

charl mai from Vancouver, Canada asks

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

Ashé from Taree, Australia asks

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

Joe Joe from Scarbrough asks

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

Lola from the Internet asks

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

Jonathan from Brooklyn asks

I want to convert a conventional gas engine to run on hydrogen gas. How would I go about this?