Davina asks

Can you damage your hands by cracking your knuckles?

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Serine from Singapore asks

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Chelsea Imm from Glandorf, OH asks

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

darioush asks

What is thought? Is it matter or energy? And how does the brain create a thought?

Denise from San Jose asks

Is it possible to do a blood test (or some other type of tissue testing) to determine someone's...

Loubelle I. Depita from Koronadal City, South Cotabato,Philippines asks

Why does nutrasweet or aspartame loses its effectiveness in cooking or in processes requiring...

Rosanne Li from the Internet asks

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

Vinita from Edison asks

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Gavin Dune from Australia asks

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

Elizabeth Inch asks

Could Dr. Michael Smith's discovery of site-directed mutagenesis be of benefit specifically to...

Gillian from Haliburton asks

What effect do pain killers have on the human brain? How exactly do they work? What about drugs...

Sadia Ali asks

Apparently we lose millions of brain cells every day. Does that mean we are getting dumber by the...

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...

Jonathan Wever asks

What is the maximum number of decibels one ear can hear?

Amanda from Thunder Bay, Ontario asks

What is colour? How does the brain perceive colour?

Kim from the Internet asks

When metal scrapes metal such as two spoons, it makes the edges of my teeth feel numb. Why is that?

Davina asks

Do people's teeth fall out naturally from old age or is that caused by a disease?

Jonathan Holt asks

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Dennis Nolivos asks

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Alyssandra from Oakville, Ontario asks

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

George Z from the Internet asks

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

Adam Roda asks

Why do we yawn when we see someone else yawn? Why is it contagious?

Terra from Ontario asks

How does sugar conserve food?

Samantha from London asks

At which age do the nasal bones and the mandible complete ossification?

Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks

Why are egg & milk used as antidotes for heavy metal poisoning and what other household remedies...

Brandi asks

Can air in the pleural cavity cause the lungs to expand more fully than they normally would?

Trevin H. from Rocklin asks

I would like to know the chemical compostion of the venom in a yellow jacket wasp sting, the dosage...

Lisa from London asks

When does each organ system of the human body reach full maturity?

Carla Becker from Dallas asks

If we are making a perfume and we pour alcohol on an orange peel; why would the smell increase the...

Amanda from Calgary asks

I am interested in finding more information on how to detect the presence of arsenic in the foods...

Kyra Nabeta asks

In dealing with bacterial resistance, should doctors use the strongest antibiotics now to kill off...

George Donati from Andradas-MG- Brazil asks

When you squeeze out a piece of orange-peel on a flame, it catches fire violently. Why? What is...

Stephen Leece from London asks

I am currently researching how sugar (sucrose) reacts with various chemicals. I am particularly...

Nora from the Internet asks

When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...

Mohsen Omrani from Tehran, Iran asks

I am interested in Computational NeuroScience, particularly in Colour Vision, Land's Effect, and...

Nedim from Atlanta asks

For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...

Sean M. North from Oregon City asks

In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...

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I have been diagnosed with multiple scleroisis recently and I also have severe psoriasis. I've...

Kelvin from Markham asks

Why does the Original Coke sink into the water, when Diet Coke floats in the water?