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Alysha Gulutzan asks

How many electrons, protons, and neutrons make up a nickel atom?

Leo from Montville, NJ asks

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

Rob Pease asks

How can we reshape bone using our understanding of bone growth? Obviously, parts, if not all of a...

kirst from the Internet asks

What everyday appliance uses electrostatics?

Kushagra Bhargava from Jaipur asks

Sir please tell me how the lghtwaves gets their momentum or how they come into motion?

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....

Jason Kang from Thornhill asks

If a person was to experience continous pain, of moderate intensity, for a week, is there any...

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...

Mark Brooks from London asks

Why do ice cubes melt quicker on stainless steel than a china plate and fire clay?

Joel from Australia asks

What is the chemical makeup of an apple?

Curious_Boy from the Internet asks

How do fronts affect temperature? Do pressure centres affect temperature as well? I know that they...

James McCarty from Frankfort, Kentucky asks

Evacuations of the earth's core through volcano eruptions, the pumping of oil, gas, etc., must...

amanda from Vancouver asks

What kind of careers are there to choose from, based on chemistry and biology. To become a doctor,...

Lucy Policelli asks

Is it feasible to embed microchips carrying pertinent data, health, history, money etc. into humans?

Don Roscoe from Vancouver asks

Is there a machine that will measure the amount of oxygen that my lungs use in a breath? Or the...

Charl Mai from Vancouver, Canada asks

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

Edmund Mah asks

Are there special awards for Canadian scientists? Canadian science greats like Sir Frederick...

Tim Sullivan asks

What exactly do meteorologists mean by the term "high pressure"? Do they mean the weight of the...

James Hope from Gloucester asks

Last year in school we learned about nuclear decay, and how some atoms decay by releasing gamma...

Karan Rustagi from Ontario asks

I heard that electricity can be transmitted in other forms than electron flow; like electromagnetic...

Ken Cooke asks

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

nohjin asks

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

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.

Payal from Buffalo asks

How do you determine the proportion of the various gases in the air?

Sophie from Winnipeg asks

Why do street lights shut down, often, when we drive underneath them? Oftentimes, my boyfriend and...

Richard from Halifax, N.S. asks

How do you calculate water flow rate (volume/sec) based on water pressure and hole or pipe size?...

Corinna asks

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

Ian Rosner asks

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

Rena from Thornhill asks

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

Barbara Pearson from Holly Springs, NC asks

I was reading a text which stated that scientists have used ice cores to calculate prehistoric CO2...

Gerhard asks

What kind of permanent changes in a developing child's brain or behaviour can be caused by the...

Antony St-Jacques from Kingston asks

How can I separate NaCl so I can obtain Na?

Carly from Colorado Springs asks

When a group of cancerous cells is compared to a group of normal cells, cancerous cells usually...

Jeremy from Norwood asks

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

Kaycie Nabeta asks

Does the location of chlorophyll a in the thylakoid membrane have anything to do with its...

Eddie from Toronto asks

I know the basic details of how an ionization smoke detector works, where particles enter the...

steve abel from Seattle, WA, USA asks

Can you explain the meaning of the phrase: " has cleared the neighbourhood around its orbit.” I...

Lenny Rivera from New York asks

I am looking for general inofrmation about pangaea the supercontinent. If pangaea was a super...

Johnny from Mississauga asks

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