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Zambi Donburi from Brisbane, Australia asks

Is it true that no mass can travel at the speed of light? If this is true, as you are nearing the...

Harrison from the Internet asks

Why does decaying food cause gas? I have been trying to find resources but can't find any could you...

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

Why does Nitric Acid stain the human skin yellow?

Kay asks

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

Sarah Bosquet from Issoudun asks

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

Fern Marques from North Bay, Ontario asks

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

shane from doylestown asks

How do scientists type your blood? How do they find out your blood type?

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...

John Crowe from Dublin asks

If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...

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...

Gabby Stec from Harrisburg asks

Why, specifically, do ferrite magnets gain strength in low temperatures?

Nikhil Bhansali from New Delhi asks

Why are the lipids found in the human body mostly even numbered?

Jessica Muller from Hamilton, Canada asks

I have heard that some one discovered that the atom is actually made up of sound waves. Is there...

C.L.Bridger asks

What chemical additives can be used to increase the octane rating of unleaded gasoline?

Matt from Ottawa asks

Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...

Leah W. from Duluth asks

What is the smallest living thing? What is the largest living thing?

Andrew from Friendly asks

Who was the first scientist to study light?

Nijin from khd asks

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

Ava Gabourel from New York asks

Who discovered High Blood Pressure and what year?

Dawn from Santa Clarita asks

Is a seed a living thing? If so, how do you prove it? Is it living before you add water?

Ernie Epp from Kenora, ON asks

Collision of galaxie clusters. In recent news reports that I've read it has been reported...

Jestin from India asks

Why rainbow is a bow?

Vasu from London,ON asks

Is it possible for a singularity to form outside a black hole?

Rudolf Olivier from Gauteng, South Africa asks

Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?

Dallin Shaner from the Internet asks

What is the scientific explanation of why a magnet's magnetism would decrease or increase when its...

dave hack from brisbane asks

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

Ethan Heil from Salem, VA asks

I was reading about the tensile strength of certain fabrics, and was wondering what kind of...

Amanda Gillis from Margaree asks

What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...

Aime Roger from Halifax asks

I am quite confused with temperature scales! i would like to know the link between the degree...

Paul Hosking from Brisbane, Australia asks

We are having a debate at work that we hope you can settle. The father of one of my workmates has...

tina from the Internet asks

Will pea seeds germinate slower in a liquid substace other than water? why? I am conducting an...

Roman Tanisis from Coquitlam, BC asks

Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...

M Harish from Mumbai asks

Why does a bar magnet repel when it breaks?    n====|====s

Steve from Honolulu, HI asks

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

Sherri from Baltimore asks

Does Henna (a plant based hair dye) contain any aluminum in its substances?

Holly asks

What is the difference between a dolphin and a porpoise?

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...

Jessia from Ontario asks

How high in the sky would Polaris the North Star be, as seen from the North Pole?

Francis from Ottawa asks

When a ball is rotated at the end of a string in a horizontal circle (parallel to the ground) what...

julie from Soledad asks

What is the polar nature of water?