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Sounds? Hello and thank you for downloading this crowd science podcast from the BBC World Service.

I'm Anand Jagatia and today we're answering three questions from listeners around the world.

Remember, all of our shows need you.

So if you want to send in a question just like today's listeners, please email it to crowd science at BBC.co. UK.

So as you can hear we're not in the studio today's show is coming to you from London

zoo in the UK because this program is all to do with animals but not

giraffs or lions or monkeys think smaller much much smaller. Our first question

comes from listener Sydney.

Hi, my name is Sydney from Zambia. My question has to do with spiders. Now, one thing that I know about spiders is that they do not have women.

So they are for all years, but they are able to make a web stand in between chains.

How do they do that?

So Sydney wants to know about the incredible way that spiders can spin webs across huge distances.

And later on in the programme will also be looking at some bug bears from our other listeners,

like why is it impossible to swat a fly and is there any way to stop mosquitoes from biting you?

...