Ian Rosner asks

Can you explain the fourth dimension and state simply Einstein's Theory of Relativity?

Selena Henderson from Houston asks

Why don't hurricanes hit the country of Panama? Is there any data predicting the probability of...

Beth Conrad from Hong Kong asks

How can I build a water purifier?

Jenn from Torrance asks

What is the composition of an American nickel? Also, do you think that a nickel has a higher...

Mohammad from Toronto asks

What is 2 with the power of 4? and can u tell me some consideration of microwaves?

Jonathan Weiler asks

How are the tiny chips and wires that go into a computer made? They seem so tiny and fragile.

Sheila Hart asks

How can you detect a chemical in the human body even after it has passed through? For example,...

Jefrey from KL asks

What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the...

Jackie B. from Wisconsin asks

Which metal conducts heat the fastest?

Yuriy Yashkir asks

What does the future of Psychology hold? New therapies for brain disorders? Computer...

Jeremy from Norwood asks

What component controls how data is written on a hard drive?

Anonymous asks

How can I create a real light saber? It does not have to be completely like the ones in the movie...

Ken Cooke asks

I read somewhere there are a total of 9 dimensions. Can you elaborate on what these dimensions are?...

Emma from the Internet asks

Why has Aluminium only recently been extracted from its ore?

Lia Cassanego asks

I am experimenting with microwave reboil caused when you microwave coffee or water and add sugar,...

Stef asks

How are minerals used in the production of Canadian coins?

Johnny from Mississauga asks

In math class, my teacher has been frequently making references to what I've mentally labelled, as...

Katie Harvill from Tuscaloosa asks

1)How does prenatal exposure to sex hormones influence behavior later in life? 2)What are gender...

Zach asks

How were the organelles in the cell named?

christina from the Internet asks

Why are portable phones called cellular phones? How do they work?

Kashif from Toronto asks

Why is propylene glycol not an alcohol? Same for glycerol. Why don't they evaporate and smell like...

Eli Sklar asks

What education do you need to become an embryologist?

nohjin asks

Where does the energy in freezing water come from? When water freezes, its volume increases so that...

Leo from Montville, NJ asks

Where can I find the data to support that polyvinylpyrrolidone is safe for medical applications? ...

Tony from Melbourne asks

In my recent science project, I tried discharging batterys in the freezer, fridge and room. The...

Gordon from Oakville, Ontario asks

I was studying for a science exam and stumbled across a chapter that covered energy. The chapter...

Christobell Bison from Sudbury asks

Can Ozone be created? And if so, is it possible to patch up the Earth's protective layer of Ozone...

david caron from Toronto asks

What is the energy required to split H2O, (joules), and the energy released from combusting H2 +...

Ryan from Toronto asks

I am in grade 7 and attempting to do a Science Fair Project. I would like to know how I could test...

Brian from Avon Lake asks

I am doing a report on aluminum and the impact it has on our environment for a science class. Do...

kirst from the Internet asks

What everyday appliance uses electrostatics?

Julie asks

What is the chemical make-up of pear, banana and apple peels?

Ian Burke asks

What do you think of a Gas/Electric hybrid car? I made a power generation device made up of 8 a.c....

Rena from Thornhill asks

For school I need to know about natural convection and forced convection. I need to know the...

Corinna asks

Can stabilized oxygen be used in place of iodine or chlorine to purify water? What if used in...

Lori Anne Stanger from New Liskeard, Ontario asks

As everyone had heard in the news, as a result of the Indian Ocean earthquake and Tsunami of Dec...

Charl Mai from Vancouver, Canada asks

Do herbal medicines interfere with the effectiveness of prescription medicines? If so, how does...

Natasha Jackson from leaf river asks

How many skin cells would be in a square inch?

Antony St-Jacques from Kingston asks

How can I separate NaCl so I can obtain Na?

David from Kitchener, Ontario, Canada asks

My question may be hard to answer. I have wanted to be a scientist since I knew what science was,...