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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...

theo baker from santa barbara asks

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

joe from Barrie asks

Who was the first to split the atom and what year?

bruce marshall from Davie asks

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

Gord Vance from Ottawa asks

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

Jordan Green from Toronto asks

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

Bobbi Jo from Wyalusing asks

With the volume of the earth, how many baseballs can fit inside it?

Travis Cheeseman from Bloomington, IND. asks

Ok, this is my project: I have put roughly two cups of rice in a sock and threw it in the microwave...

Dean Jones from Saskatoon asks

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

Hunter Smith asks

How does the amount of air inside a soccer ball affect the distance it travels? And how is the...

H. from Boise, Idaho asks

My question is regarding plate tectonics. Is there a possibility that the extreme meltoff that...

Apurba Kanjilal from India asks

How are sparks generated from flint, quartz, and metals? What burns during a spark? How do the...

Lu Chen asks

Where could I find some interesting facts and pictures on Christa McAuliffe?

Rick James from palm springs asks

I'm just curious why we humans are the only species on this planet that have to manufacturer...

Mary Schroeder from Weston asks

I was recently reading an article about large amounts of fish dying on very hot days due to oxygen...

Citre asks

What is tocopheryl acetate? It's also called Vitamin E acetate. Is it like the chemical acetone...

Joanna from Melbourne, Australia asks

There are 2 routes I could take between home and work and they each take about the same amount of...

Judy asks

What is the percentage of salt in the ocean?

Nesa Xiong from Sacramento, CA asks

How long does it takes your hair to grow? How many years and how many inches?

Bryson from Fort Lupton asks

Why will hard boiled eggs tarnish silver. But a egg cooked scrambled in a pan with nothing else...

jehan asks

Are liposomes currently being used to cure cystic fibrosis. How is this done?

Caitlin Drewery asks

Do you have any information on Alice Wilson, the geologist?

Kaitlyn Muller asks

Could you tell me who discovered arsenic and when?

Adrian from Torrance, California asks

How far have scientist been able to dig into the earth surface?

Jeremy, Shawn, and Angel from Orland, California asks

How does medicine (for example, Contact) work in your stomach after you have taken a pill?

Anonymous from the Internet asks

What would happen if nuclear waste was dumped into a lava flow or a volcano.

Mike from Hamilton asks

Who discoverd dinosaurs? Tyrell?

Vijay from Hyderabad, India asks

As an undergraduate computer engineering student, how can I best prepare myself for a career in...

Elizabeth from Oshawa asks

How was life created and why did we start living on earth, or why was it the "chosen" place? i...

Matt Gatton from Louisville, Ky USA asks

If you light a campfire inside a cave in a permafrost zone will condensation form on the cave...

Alli from Cincinnati asks

I've heard that the oceans of the Northern Hemisphere are warmer than those of the Southern...

Sherry asks

Do all meteorologists have to work shift work before they can go on and do other things? How do you...

Stephenie from cedarbrook middle school asks

In our science class we are doing a project about stereotyping scientists. We want to see if the...

Michelle asks

I want to study and work with animals and their environment. Is there an occupation like this? What...

Donald from St. Johns, Newfoundland asks

Comparing the storage capacity of the human brain to computers, if data and memories in a human...

Stephen Venneman asks

Could you explain what the fourth dimension is, exactly? Upon looking at an example put up by...

Donald W. Owens asks

Can you explain the formula for computing the hydrogen burning lifetime of a star with 15 solar...

Colin Groves from Kansas City, Kansas, U.S.A. asks

How do you become a scientist? What do scientists do in a normal day? What did you study in college...

Robin Shane Best asks

What are the values for Heating Degree-days and Cooling Degree-hours for the Toronto, Ontario area?

Brendan Chase asks

Who is David Suzuki?