Answers to Biology Questions

Life on Earth uses energy either directly or indirectly from the sun. However there are deep sea organisms that live...

Why is it, that despite all this talk of evolution going on, humans have not evolved for the last 4000 years?

If as a human I share 98% of my genes with a chimpanzee and 60% of my genes with a banana, how come I only share 50% of...

Why do people go bald?

I'd like to hear about recessive genes and why they say that blondes and ginger people have more of these genes...

Do scientists have any understanding of the mechanisms that skills, that animals such as humans, learn and pass to...

I have hay fever and I was wondering why grass has pollen.

In response to your discussion last week about whether you can use urine on jellyfish stings: I lived in Hawaii for...

There's a myth (or is it truth) that urine from a human can negate a jellyfish sting. Is that an urban legend?

On average, how many flies do we accidentally eat every single day?

Why are insects, which have composite eyes, not blinded by the sun? Apparently they have no eyelids that they can shut...

It's well known in the USA that bees are dying. This is having profound effects on certain types of agriculture....

I found a couple of beetles over an inch long and the shell looked like a withered acorn. The wing span was nearly two...

I saw a bunch of ants that were crowding around some food crumbs on the pavement. Do ants sleep? They seem to be...

I work in a bakery and years ago we used to get a lot of cockroaches. We used to stack the bread tins inside one...

My mother left the lid off a jar of honey in a food cupboard. We'd never seen any ants there before, but they...

This morning I listened to the May 14th broadcast. One of the discussions was about the stinging cells (nematocysts) of...

If everything on the planet got wiped out by a bomb, could life start again like it did originally?

Why doesn't nature make any straight lines?

We kept Friesian cows for about fifteen years. Sometimes they got sunburnt but only on the white patches. Why?

As far as I know, mammals do not use the colours blue or green, but most other animals and plants do. Is there a reason...

People say that dogs are colour-blind. Is that a fact?

有什么生活在深海tren吗ches?

How does a chameleon change its skin colour so fast and is there any molecular mechanism that's known to underlie...