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Jon from Ottawa asks

Who invented the nephoscope? When was it invented?

R Clark from Prince George asks

Can any force be enacted upon a perpendicular slice of air molecules to attenuate the propagation...

joe from Barrie asks

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

Muhammad Zaid Khan from Karachi asks

How can the mass of earth be calculated and what are Newton's rings?

Kirsty from Cumbria asks

Why do both sexes of dabbling ducks have brightly coloured bills?

Citre asks

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

Rick James from palm springs asks

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

Nesa Xiong from Sacramento, CA asks

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

Angelo from Mississauga asks

Why is styrofoam a good insulator?

Jeremy, Shawn, and Angel from Orland, California asks

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

Hunter Smith asks

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

Caitlin Drewery asks

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

Dennis from the Internet asks

Could you explain how to complete and find the genotypes and phenotypes of sexlinked, multiple...

Judy asks

What is the percentage of salt in the ocean?

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...

Apurba Kanjilal from India asks

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

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...

Bobbi Jo from Wyalusing asks

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

Kaitlyn Muller asks

Could you tell me who discovered arsenic and when?

Alli from Cincinnati asks

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

Vijay from Hyderabad, India asks

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

Lu Chen asks

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

jehan asks

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

H. from Boise, Idaho asks

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

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...

Adrian from Torrance, California asks

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

Mary Schroeder from Weston asks

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

Brian from Vancouver, BC asks

I've heard that alcohol can be passed to a baby through breast milk. Is this true and if so what is...

Bryson from Fort Lupton asks

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

Elizabeth from Oshawa asks

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

Michelle asks

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

Mike from Hamilton asks

Who discoverd dinosaurs? Tyrell?

Brendan Chase asks

Who is David Suzuki?

Anonymous from the Internet asks

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

Stephenie from cedarbrook middle school asks

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

Kayli Taylor from Belleville asks

I would like to know if you could help me in my quest to making harsher laws about Driving Under...

Robin Shane Best asks

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

Diana from Tucson asks

How large is a human genome? What percentage of the DNA in the Human Genome actually codes for...

Donald from St. Johns, Newfoundland asks

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

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...