Trevin H. from Rocklin asks

I would like to know the chemical compostion of the venom in a yellow jacket wasp sting, the dosage...

Charcoal from the Internet asks

What makes classifying dogs in breeds different from classifying humans in races? I thought that...

Robert Wahl asks

Is it true that bats don't pass their food through but vomit it up while they are hanging upside...

Totoro asks

How do antiperspirant products work? Could you use one on your chest to prevent sweating?

Lisa from London asks

When does each organ system of the human body reach full maturity?

Mark Seymour asks

Why are there no penguins in the Arctic, or anywhere in the Northern Hemisphere?

Carla Becker from Dallas asks

If we are making a perfume and we pour alcohol on an orange peel; why would the smell increase the...

A.E. asks

Why do we have five fingers? My idea is that one of nature's themes is "having enough." It's like a...

David Critch asks

My grade 10 biology teacher tells us that blood comes in different shades of red (dimmer and...

Ross Richardson from Battle Creek, MI asks

How long does it take for alcohol to be detected through the skin after your first drink? Is there...

Peter Gensch from Auckland, New Zealand asks

Is there an effective and affordable way to kill weeds on an organic basis? (i.e. vinegar?)

Ethan Diener asks

If body temperature is 98.6 degrees, why does 98.6 degree water feel hot when you place it on your...

YIanni Mitropoulos from Melbourne asks

If a sound is played to a person over a period of time, is there a way to work out (or to estimate)...

Karan Rana from Atlanta asks

I am doing some research on microarrays. I wish to know if mRNA's also have open reading frames as...

Marlene Caissie asks

I heard there was a woman named Rosy involved in the discovery of the DNA double helix. Who was she...

Harriet Quaide from Birmingham asks

Is it possible to test for, and diagnose, mitochondrial disorders, after death? How? Can this be...

Grade One, Chesterville Public School from Chesterville, Ontario asks

What do you feed baby praying mantises? We found a mother praying mantis who laid an egg sack on a...

Marie from Rochester asks

My whole family plays hockey. We have frequently discussed how long of a shift should be and with...

Benjamin Raja from Singapore asks

At what speed does the world's slowest living thing travel? And what is the world's slowest living...

Kevin Pagn from Vancouver asks

Is a nerve impulse considered an electric current since it induces a magnetic field?

Akin from Winnipeg asks

Why does HIV form resistance to ARV so quickly? HIV reproduces itself millions and millions of...

Anthony from Windsor, Ontario asks

Are there any species that have evolved, but still have their ancestors co existing with them on...

Erin Harris asks

How would Giant Pandas being killed off affect my life?

Karen from Ottawa asks

How old do turtles have to be to have turtle eggs? And do 2 turtles have to have different sex to...

Nedim from Atlanta asks

For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...

Mridu from Toronto asks

Specific tissues are meant to perform specific functions. Is it possible to transfer different...

sabiha from lahore, pakistan asks

There is a controversy among my collegues that during agarose gel electrophoresis the band that...

Stevi asks

How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...

Kelly asks

What is the structure of chicken bone?

Giovanni Cuevas from Bronx asks

How much does a person's head or skull grow every year? If I'm 16, how much would it grow until it...

Marc Baldwin from the Internet asks

Can someone tell me how scientists are able to get an idea of how many foxes are in an area simply...

Leo Hong from London Ont. asks

1. If the earth's population is about 6.2 billion now and it will double lets say every 35 years,...

Harish from Scarborough, Ontario asks

I want to know if we inject cobra's venom into a rattlesnake and rattlesnake venom...

jacqui from Stockleigh Pomeroy asks

Explain recessive gene disease and what happens to the DNA to cause parents to be carriers.

Christina from Orland Park asks

How do chameleons reproduce body parts?

Marc Doucet from Bathurst, New Brunswick asks

Are the pores of the cell membrane composed of protein molecules or are they simply holes in the...

Callie Davies from Phoenix, Az asks

We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had...

Karie from Toronto asks

Why do kids with blonde hair have dark brown hair when they're older? Is it the same process as...

Helen from Toronto asks

How can you extract the bacteriocins (colicins) from E. Coli? I would like to test the...

Terry Hare from Oshawa asks

Why are most scallops white and some are yellowish brown to almost an orange color?