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Yevgeniy Perev from Staten Island asks

If we assume that Whitten's new Twistor String Theory is correct, with no real extra demensions,...

Hugo Verissimo from Lisbon asks

We know that cosmic microwave background is 2.725 kelvin. We know universe was some 13Billion years...

Jason from Vernon asks

Does a volcano erupt for a certain time limit? And, is there a known degree of heat that the magma...

Jim Weaver from Lancaster, PA, USA asks

Since most dehumidifiers work on the principle of condensing on an aluminum coil, is there a...

Gary from Birmingham asks

Why is the time of a day measured using 24 hours?

H. Gaspar from Toronto asks

I am considering neuroscience as my ideal career. What type of atmosphere would a neuroscientist...

darren liew from Singapore asks

How many times a year can you see the eclipse of the moon???

Matt from the Internet asks

What is the chemical formula for air?

bruce marshall from Davie asks

In energy transformations, even on the subatomic level, is some energy always lost as thermal...

M Anderson asks

If you could dig a hole from one side of the earth to the other passing though the core, what would...

Swaminathan N from Chennai asks

Why do aqueous ionic solutions have less thermal conductivity than pure water?

David Ewing from Sugar Land, Texas asks

In the field of shape recognition, is there a way to register a single frame, such as the outline...

George Yacoub from Sydney asks

I am having a problem understanding the Earths Atmosphere. It started years ago with the simple...

Ernie Epp from Kenora, ON Canada asks

Regarding the behaviour of a high-voltage spark. I have a device which generates a pulse of ...

Barbara Berghoff from Illinois/usa asks

I need to know what dissipates into the air during a salt analysis titration. I do this at work...

Jordan Green from Toronto asks

Today a girl in my class asked the question "Can you save yourself from an elevator falling 10...

Susana from Germany asks

I would like to know why Russian rocket engines use 4 nozzles and American ones just one. What...

Amy B from the Internet asks

It is snowing today and the wind is blowing from the east but the snow is collecting on the west...

christine from Ontario asks

What is the chemical process of making Cocodimonium Hydroxypropyl Hydrolyzed Wheat Protein? What's...

Carolin asks

Please explain an experiment that can only be done on the Spring Equinox March 21st. You can make...

Gillian Seale asks

What was Dennis Gabor's theory on holography and how did he came up it?

theo baker from santa barbara asks

I have heard somewhere that there is what could be described as a secondary brain in the large...

Cheah Bok Eng from Penang, Malaysia asks

May I know what chemicals can undergo esterization by absorbing sunlight energy at 33 degree...

Bryn Williams from Vancouver asks

If the telomeres of a cloned organism are smaller than a non-cloned organism, and therefore may...

Tony Aben from Kamloops, BC asks

Is there a simple chart that indicates the amount of carbohydrates in various foods? If so where...

Dean Jones from Saskatoon asks

Why do we not have a mouthwash that prevents plaque buildup and, hence, gum disease?

vijay kumar from BHOPAL INDIA asks

I have 30 liter sulfuric acid solution of 1.190 specific gravity, to make it stronger to 1.200 how...

Darren Gough from Vancouver, BC asks

Have you ever hit the top of a glass juice bottle with your fist. It makes a very loud cracking...

Pankhuri Kalra from Delhi asks

Is there any reaction which can take place without the exchange of heat with the surroundings or...

Jessica Hawthorn from Lac La Biche, Alberta, Canada asks

What experience and education should I get for a career in paleontology?

Adam B. from Miami asks

Ok... this has been bugging my mind. Is it possible to generate heat with your mind to set things...

kevin van sprang from powell river b.c. asks

Could it be possible that gamma ray bursts are the end result of a black holes energy bursting...

hardik harsora from rajkot asks

1) How do we identify the age of any object in space like galaxies, etc.? 2) What technology is...

Nicole from Des Moines asks

Does the Earth's core rotate with the crust??

Stephen Leece from London asks

Are there any solutions that change their pH level from neutral to 8.5 or higher due to the...

Beverly Ng from HK asks

Why does light degrade vitamin C? (in juice or liquid form)

Greg Kutz from Goolwa, South Australia asks

At what depth into the soil do temperatures remain constant and what would that temperature be?

Ed from Kyiv asks

Against the black plastic on my TV, dust looks white; when I wipe it off with a white tissue, dust...

Gord Vance from Ottawa asks

Could Uranium 238 be used in conjunction with photovoltaic cells in order to create a viable power...

Mary E. Tucher asks

Science and religion are two different ways of explaining how we exist. How can scientists have...