Why do all planets revolve in elliptical orbits around the sun? I mean in nature there existis...
from the Internet
What keeps electrons from eventually falling into the nucleus of an atom if they are attracted by...
from New York
Who discovered High Blood Pressure and what year?
What are neutrinos and positrons?
How are genes located? For instance, Lap-Chee Tsui and his team of geneticists located the...
from Santa Clarita
Is a seed a living thing? If so, how do you prove it? Is it living before you add water?
How can a star become small and dense enough to become a black hole? My understanding is that a...
John D. Miller
from Belmont, NH
I read that one can get a wider range of colors or shades if one uses the secondary colors:...
Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...
from Mississauga, ON
I have a wierd thinking question regarding electricity. When we have a positive charge or a...
I would like to know if there is any way to magnetize a 6x4x1/2 inch ceramic 8 non magnetized...
from the Internet
We have the ability to use sound frequency to cancel out unwanted sounds, and since light is a...
from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
from Athens, Greece
If we put a current-carrying conductor inside a magnetic field (i.e. between two permanent...
from Catonsville MD
Why does my coffee flow more freely from a to-go cup when there are two holes in the lid instead of...
What is happening when someone plays a song on wine glasses? They are filled with different...
How could I decrease the boiling point of a substance without changing the pressure of the liquid?
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
from Houston B.C. Canada
Can someone tell me what Canadian frogs and toads are vocal? We have several types here, but they...
from Ottawa, Canada
Why do your fingernails grow a lot faster than your toenails?
What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...
In chemistry, how do you know what the formula of a compound is? For example, how do you know if it...
I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...
from New Delhi
Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....
from Scarborough, Canada
Which part of the body has highest ph value?
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
What are giant ice meteorites? Would it be possible for them to hit the earth?
If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?
I am quite confused with temperature scales! i would like to know the link between the degree...
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
How do scientists type your blood? How do they find out your blood type?
from Binmaley, Philippines
Why do (nearly) all birds move in a jerking motion as compared with other animals that move...
What is the polar nature of water?
from Sydney, Australia
I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...
from Kamloops, BC
What is the Vir C gene/protein responsible for?
What are the names and locations in the universe of known black holes?
How high in the sky would Polaris the North Star be, as seen from the North Pole?
from Poseyville, IN
How come you can boil an egg in a paper cup over hot coals and the cup does not burn up?
I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...
What is Ultraviolet Colorimetry Analysis? It involves passing UV light through a object and...
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