from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
I was watching a short documentary on how the Earth first came about. The part that was puzzling me...
I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...
from the Internet
We have the ability to use sound frequency to cancel out unwanted sounds, and since light is a...
A F Jenks
from Nelson, NZ
When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
from New Delhi
Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....
Why do proteins form lather on making their solutions?
I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...
If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
How do electric kettles work?
from New York
Who discovered High Blood Pressure and what year?
Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...
from Binmaley, Philippines
Why do (nearly) all birds move in a jerking motion as compared with other animals that move...
In microwave transmission sometimes we use power in positive e.g +13db and sometimes in negative...
A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...
from Santa Clarita
Is a seed a living thing? If so, how do you prove it? Is it living before you add water?
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 Kamloops, BC
What is the Vir C gene/protein responsible for?
from Scarborough, Canada
Which part of the body has highest ph value?
What is the polar nature of water?
In chemistry, how do you know what the formula of a compound is? For example, how do you know if it...
I am quite confused with temperature scales! i would like to know the link between the degree...
from the Internet
During cellular respiration, why can't NADH pass its electrons to NAD+ across the inner membrane of...
I was wondering about planet orbit paths and if they change. I read that a change in the Earth's...
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
My neice is being tested for an unknown cause to her developemental delay. She has recently been...
from Sydney, Australia
I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
What is happening when someone plays a song on wine glasses? They are filled with different...
What are the names and locations in the universe of known black holes?
What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...
What is "route dependent toxicity"?
I'm writing a science-fiction novel and need information about black holes, gravitation and...
How high in the sky would Polaris the North Star be, as seen from the North Pole?
Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?
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