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Lucy Policelli asks

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

Edmund Mah asks

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

amanda from Vancouver asks

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

Gordon from Oakville, Ontario asks

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

nohjin asks

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

christina from the Internet asks

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

Saw Mui asks

Why does the Periodic Table of the Elements have two separate tables - one above and one below?

Teresa G. Nelson from Alford asks

My father was exposed to massive radiation exposure before he fathered two out of three children....

Chris Chase from Harrisburg asks

Has anyone ever weighed nuclear reactions in reactors to see if the reactor weighs more while...

Charl Mai from Vancouver, Canada asks

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

Bobby King from Magnolia, AR asks

My son's girl friend's maternal Grandmother and paternal Grandmother both have the same birthday...

Don Auld from Vancouver asks

In the CANDU nuclear reactor, what initiates the fission process? I understand that the U235 in the...

david asks

Why are the time zones on maps rated as longitude & latitude in degrees and minutes?

Carly from Colorado Springs asks

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

Barbara Pearson from Holly Springs, NC asks

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

Rena from Thornhill asks

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

Richard from Halifax, N.S. asks

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

Natasha Jackson from leaf river asks

How many skin cells would be in a square inch?

KENNETH HICKFORD from LONDON ENGLAND asks

(1) What quantities of the earths atmosphere are lost to outer space over a given time? (2) how...

Corinna asks

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

Lia Cassanego asks

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

Eddie from Toronto asks

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

Mary Macmillan asks

How and when did the Great Barrier reef develop? Is it still developing today?

Shaheena Perveen from Karachi, Pakistan asks

Why do we get coloured water if we put a slice of beet root in water but we do not get coloured...

Antony St-Jacques from Kingston asks

How can I separate NaCl so I can obtain Na?

Davina asks

Can you damage your hands by cracking your knuckles?

Michael Baird asks

Can you help me with a wonderful magic trick I performed as a boy? I made a silk rose change...

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...

kristi from hurricane w.v asks

If a person or infant is going to get freckles, at what point or age do they appear?

Edward Lotus from Wawa, Ontario asks

Is it a crime to prevent the birth of a malformed fetus? I strongly feel that we should terminate...

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...

Julie asks

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

steve abel from Seattle, WA, USA asks

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

Andrew Hope from Gloucester asks

My son, James, and I cannot agree about the recoil of a gun. I believe that if a gun is fixed in a...

Marsha Anisoquili (Many Ponies) Raymond from St. Petersburg, FL, USA asks

If oriental is eastern and occidental is western, what is northern and southern?

Julian asks

How can I make my own methylated spirit? How does pectin gel?

Azadeh from Tehran asks

If we heat a square metal page with a circle hole in the center of it, what will happen to both the...

Sophie from Winnipeg asks

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

Dale Patt from Kelowna asks

What exactly is "Bovine Spongiform Encephalopathy" (BSE), or mad cow, what are it's effects, and...

Sara asks

What is fire composed of? Could you have liquid fire, or solid fire?