Most popular

Becca Thompson asks

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

Shagufta asks

What are cosmic rays?

Cynthia Everhart from Leesburg asks

My neice is being tested for an unknown cause to her developemental delay. She has recently been...

Anton St-Jacques from Kingston asks

I heard that all cells only come from existing cells. If this is true, how did the first cells...

Ben Carney asks

What is Ultraviolet Colorimetry Analysis? It involves passing UV light through a object and...

TINA from the Internet asks

How much chorline is added to drinking water? Why?

Jim from Yorkton asks

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

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...

Jestin from India asks

Why rainbow is a bow?

Al Ullman asks

What is "route dependent toxicity"?

Arnaldo from montreal asks

Is it possible make the aluminium transparent ?

Bonita asks

I lost my sense of smell after a fall from a horse 5 years ago. The back of my head hit the...

Gary John Walsh asks

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

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?

Donna Creighton from Havre de Grace MD asks

Do noses and ears continue to grow throughout the lifetime?

Garry Scott from Surrey BC asks

I have been trying to get an answer to: what kind of fire supression system may be on board the...

David from the Internet asks

During cellular respiration, why can't NADH pass its electrons to NAD+ across the inner membrane of...

Denise Atkins asks

What causes asteroids to burn up once they enter earth's atmosphere?

Dave from the Internet asks

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

Ethan Heil from Salem, VA asks

I heard that many cereals are fortified with iron chips on the actual cereal. Is there an...

Chloe Jones from London asks

Why do trees lose their leaves?

Heather Purdie from Edinburgh asks

At what age does your heart stop growing? I have just watched a program and a young girl was given...

Ashé from Taree, Australia asks

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

Jeremy from Mustang asks

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

Nijin from KHD asks

Is there any living thing that doesn't need water to survive in the whole life? If there is...

Justin Murphy from Coquitlam asks

How does what we smell affect what we taste?

Jennifer Joseph from Dix Hills, NY asks

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

Sara asks

If the first dimension is length, the second is width, and the third is depth/height, what's the...

James from Montreal asks

What is a wormhole? How does it work? How is a wormhole created? Is it possible to survive going...

from asks

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

Danielle Panchuk from Calgary asks

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

Amelia Singh from scarborough asks

How are rocks made? What are the different kinds of rocks?

Lisa Pearce from Gympie asks

Whenever I drop a piece of cork, plastic or metal into a container of water, it always floats on...

The Tucker Family from Hamilton asks

How many people have ever lived on earth? We have found data giving the population at differen...

Nameless from Internet asks

Chloroplasts, which help give the cell energy using photosynthesis, also make the cell green,...

Christina from Orland Park asks

Why are most people right handed instead of left?

Kirsten from Toronto asks

What is in most nail polish removers?

UML @ Lake.Sherwood .School from Baton Rouge asks

What cause the red dye to explore when it leaves the bank during a robbery? Does the red dye ever...

Eddie Curtis from Portland asks

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