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Keira Sword asks

Can you please explain to me how yogurt is made? My mom says it is made with bacteria, but I am not...

Vinita from Edison asks

What are the main chemical components in food? How do you determine the total protein, lipid,...

Rosanne Li from the Internet asks

I would like to know how the brain functions generally while sleeping, and what part electricity...

Asma from the Internet asks

Should scientists have any moral responsibility in science? For example, do scientists consider the...

DeeCee from Indianapolis asks

Is there a standard formula that will convert altitude into pressure? I'm interested in altitude...

Larry King asks

How can you measure the energy of an ocean wave? Is there a reasonably simple equation that...

Tracy Weddell from Bakersfield, CA asks

Do neutron stars evolve further? Charts of star evolution always show the neuton star as the last...

Awot Negash from Alexandria, VA, USA asks

What is the relationship between rain intensity/rain rate and visibility? What resources can I...

Rose Durose from Maple Ridge asks

I'm wondering if you could name some pros and cons of the environmental profession and what kind of...

Guy from Vancouver asks

Why did Canada pull out of the ITER fusion project, and what, if any, research is Canada...

Rowland Craig from San Antonio, Texas asks

What is the volume of breathable air on the earth? Perhaps as one atmosphere?

Courtney from Jacksonville, NC asks

Mt.Everest has two peaks, correct? What is the height of Mt.Everest' second peak?

Gavin Dune from Australia asks

How does the sensory memory help us to hear, read and understand whole sentences? For example. when...

Chelsea Imm from Glandorf, OH asks

Can you please tell me what the basic preservatives are in the following breads: white, wheat,...

Laura from Toronto asks

Why does lake water change temperature at a slower rate than the ground?

Michael Chen from Calgary asks

Is there any evidence that the Green House Effect is not caused by industral gas emissions?

H. Basran from the Internet asks

Can any plants regenerate after they are totally dried - I don't mean somatic embryogenesis: can...

Morgan from Ajax asks

If air is a gas, and gas explodes when heated (in an eclosed space, the atmosphere), does that mean...

Will McAbee from Pendlton asks

How does a atom split and how does it create such a big explosion? Also how can I split an atom at...

Kristi from Saskatoon asks

I would like to know how much oxygen is in our breathable air, and also if it has ever been 50%. If...

nijin from Khd asks

How did dinosaurs die? If they died due to a comet impact on the Earth there will be dust...

John Mitrosky from Scarborough asks

My son is doing a herptiles of ontario project and this a missing link question: Do you think...

Sara from Antigonish, Nova Scotia asks

How does the earth stay in the same place in space?

Alicia asks

What would be the appearance of the moon if it were in the western sky just after sunset? Why would...

Margaret Klima asks

What are the globes which, when you puts your hand close to them, display electrical energy...

Veronica Johnny from Port Hardy, BC asks

Where did Albert Einstien live?

henry from Paris asks

I heard that mountain chains (from continental collisions) could (thanks to their weight +...

Peter Griffin from Beaufort asks

Do all antibacterial soaps kill bacteria? How do you test if they do?

Lacci from Withernsea, Yorkshire, England asks

Many people say there are 5 senses in the body but I am arguing with my mum here that there are...

Alyssandra from Oakville, Ontario asks

I was watching a program about sleep-walking and they were saying something about how dreams were...

Pat Prokop from Orillia asks

Last year a friend of mine widened and deepened an existing pond on his property. A considerable...

George Z from the Internet asks

Many people add mustard to salad dressing (oil and vinegar) in order to render the two usually...

Kaycie Nabeta asks

Can you explain where the "extra" ATP comes from in photosynthesis? As I understand it: 24 ATP...

anton from Melbourne (Australia) asks

Is blood more complex than just the four groups? How? Also, what structures allow humans to have...

Ryan Martinez asks

Why do magnets erase magnetically recorded data? Are there some generally accepted guidelines for...

Lisa Yang asks

How do split ends affect the way your hair grows? Why do people say that when you have split ends,...

Boo from Mississauga asks

Why do some people use salt to kill weeds? What does salt do that makes the weeds die?

Josh Blake from Mississauga, Ontario asks

I am really interested in chemistry and I was wondering where I would be able to purchase some of...

Alexandra asks

What's a gathering of frogs called? What's a gathering of toads called?

Jennifer from Brooklyn asks

Why does uracil replace thymine in RNA?