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Felicia asks

Is it true that if you're pegnant and you get sick, there is a chance your baby will get sick?

Marke Jones from Aurora, Ontario asks

Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...

Ernesto C Ignacio from Malabon City, Philippines asks

I understand that in some countries it is prohibited to use industrial acetic acid to make table...

TJ from Thunder Bay asks

Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...

Betsy Kirk asks

What is happening when someone plays a song on wine glasses? They are filled with different...

Danielle Panchuk from Calgary asks

Why after drinking massive amounts of alcohol, which is a liquid, do you wake up dehydrated the...

Ian from London asks

How can I tell the difference between Zinc and Aluminium metal?

RR from Toronto asks

How do electric kettles work?

Pablo Ros asks

I have been charging a leyden jar with an electrophorous (pieplate and cup) and was wondering how...

Anonymous from Queens, NY asks

I would like to know why the bananas has that semi circular shape. I wonder if it is because the...

Kay asks

How can a star become small and dense enough to become a black hole? My understanding is that a...

Arnold J. Wallmann asks

What causes albino-ism in people? Which chromosome is the albino gene on?

Matt from Mississauga asks

I have been reading and learned that electrons flow from negative to positive in the external...

Elise asks

I have done lots of research on auroras and I understand almost every thing about them. The basic...

Michel Lamontagne from Edmonton asks

Why does sound get through a surface like a wall better than light? If you use a curtain they both...

Phil asks

What are the chemical properties of phosphorus?

vanessa demelo from paris asks

Why does insulin resistance induce weight gain? I don't understand because insulin is suposed to...

Bruce MacKinnon, CET from Kitchener, Ont asks

Is polyol used in the reaction of isocyantes (methylene diioscyante) the same compound as Glycerol?

Fern Marques from North Bay, Ontario asks

How can planetary angular momentum be tranferred from one body (Earth's rotation) to another...

Ben from the Internet asks

What exactly are Proton Spin Numbers, and how can you have a non-integer proton spin number?

Sarah from Northampton England asks

How do you measure the pH of soil? How do you make up a solution of different pHs? What is the best...

Alvina Chung from Sydney asks

The first four facts below suggest that the earth should be getting heavier and heavier - but it...

Jennifer Joseph from Dix Hills, NY asks

Animals eat leaves and grasses and this provides them nutrition. Can people take leaves off trees,...

Sarah Spratt asks

What is the most critical environmental problem in Canada today?

Clare Reading from Mesa asks

What is the pH of Diet Pepsi? (or cola,generally) and... Does smoking affect the body's pH? If so,...

Gina from Boston, Massachusetts asks

I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...

Shane Harrison from England asks

I was watching a short documentary on how the Earth first came about. The part that was puzzling me...

Wilma de leon from Philippines asks

What is the reaction between a chitin--the polysaccharide intermediate between protein and...

Dave from Sutton asks

Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...

Nijin from khd asks

I read in books that bees cannot identify the colour white. Then what will the bees see instead of...

KIm from Waldorf asks

What furnishs H30+ in water solution?

Steve from Honolulu, HI asks

I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...

Tony Kirk asks

Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...

dave hack from brisbane asks

Nitrous oxide when used in motorsport is often classed as "forced induction" although is...

Furqan from Lahore asks

Why don't ordinary Silicon diodes emit light like LED's?

Linda Sanders from Catonsville MD asks

Why does my coffee flow more freely from a to-go cup when there are two holes in the lid instead of...

Adil asks

Has absolute zero (0 K) ever been reached a laboratory?

Peter Griffin from Beaufort, SC asks

Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...

Meghan asks

Do you have any information about Canadian scientist Dr. W. A. Smirnoff? He works on the spruce...

Sarah Bosquet from Issoudun asks

I'm writing a science-fiction novel and need information about black holes, gravitation and...