Nabita from Montreal asks

I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...

David Magill from Shippensburg asks

In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...

Tony Kirk asks

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

Thomas Seltsam from Austria asks

Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...

aparna from Petaluma asks

Why is blood salty?

Matt from Ottawa asks

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

Daniel Wong from Singapore asks

How do miners mine for Uranium?

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...

Steve Tran asks

Hi, my name is Steve and I am a junior bodybuilder. Which one gives you the red tan, the normal...

Betsy Kirk asks

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

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?

Nikhil Bhansali from New Delhi asks

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

C.L.Bridger asks

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

Leah W. from Duluth asks

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

Kirandeep from Ludhiana asks

Why do proteins form lather on making their solutions?

M Harish from Mumbai asks

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

Dr. X from Cornberry asks

I have made a theoretical discovery in my studies. It concerns vibrations of frame of reference in...

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...

shane from doylestown asks

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

Liz Morice asks

What makes the aluminum powder in an Etch-A-Sketch stick to the glass to make an image?

John Jones asks

Why has our departmental tarantula, who lives in my office, retreated into a cardboard tube and...

Willam Lockie asks

What is the protocol used to determine where each country is allowed to put its satellites to avoid...

Gabby Stec from Harrisburg asks

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

Anita.S asks

What is Birute Galdikas' latest book on the Orangutan Behaviour and her work?

erin asks

Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?

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...

Ethan Heil from Salem, VA asks

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

missy cunningham from portsmouth asks

Every time we go to our local grocery store and get a buggy that does not have a chain hanging from...

julie from Soledad asks

What is the polar nature of water?

Tom Henson from Bettendorf, Iowa asks

I am doing a science project on how light affects plant growth. If you could answer my 10...

kumar sah from Davis Ca. asks

I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...

tina from the Internet asks

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

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?

Ava Gabourel from New York asks

Who discovered High Blood Pressure and what year?

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...

Pierce H. asks

Does mercury in its gas form act the same way as air - I mean if heated, does it rise?

Karen from Ottawa, Canada asks

Why do your fingernails grow a lot faster than your toenails?

Mauro Mavrinac from Ottawa asks

Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...

özgür o?uz from Yata?an/Mu?la asks

How can an ant hold up a weight which is 50 times more heavy than ant's own weight?

Edward from Mississauga, ON asks

I have a wierd thinking question regarding electricity. When we have a positive charge or a...