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rain

Silly Question I know! A group of us were having a discussion,when one came away with the suggestion that ordinary rain is a (very very) diluted form of (sulphuric acid?) How accurate was he? Thanks...

Scorpio60

centimetres dilated in childbirth

Not sure if this is the right topic for this question but it didn't seem to fit anywhere else I was just reading a book where a woman is in labour and the midwife says she's 10 centimetres dilated....

Bazile

Cauliflower & Broccoli

I read recently about the health benefits to men, of eating the above foods . This might seem like a silly question - but given that they make me feel ill , eating them - does it make any difference...

Bazile

Following on from the question below ...

... Why does the disenfectant Liquid Dettol , turn a milky white colour , when mixed with water ?

New Judge

Obese Brussels Sprouts

I have just bought some brussels sprouts (fresh, not frozen - can't stand frozen vegetables). They were in a pack (all the loose ones had gone). Out of interest I read the "healthy eating" guidleines...

Scarlett

Dead toe?!

My big toe on my left foot has been kind of dead for a couple of weeks, on the outer side. when I stretch my leg out I get pins and needles type pin-prick sensation in my toe. Any idea what this could...

Waterbuffalo

Privet leaves

In a science lesson we were looking at a nail varnish cast of the bottom of a privet leaf. We could clearly see the stomata and guard cells but found some other similar sized structures that looked...

tastguy

swallowed alive

If it were possible and i could be shrunk to about 2inches in height, what would it be like if my girlfriend was to eat me? Lets just say she picks me up gently puts me in her mouth, sucks on me...

EDDIE51

Vodka / gin /rum brand analysis ???

I have been told that trading standards people have a method of identifiying Smirnoff Vodka, Gordons Gin and Barcadi Rum from other brands. I am an analytical chemist and am intrested in this from a...

rojash

Favourite Cat!

So, I just tried the new AB (don't get the option in Firefox) and I notice that it nows gives some additional info about me next to my posts. But it claims that my favourite category is "AB...

Kiwi the 1st

Getting Ink Off A Photo

PLEASE HELP! I recently got a photo signed by someone. Now, they put a name on it, but, it was wrong. My question is, can I use anything to get the ink off? The pen used was a Uni Paint Marker....

curiosity

Gout

My other half is suffering his first ever attack of gout in a big toe he injured and badly bruised a year ago. The GP offered him tablets for life. But he has declined as he wants to see when or if he...

theprof

Favourite Cat

Why is Quizzes and Puzzles shown as my favourite cat on the left hand side of my posts when I spend most of my time lurking about and answering questions in Science? Can it be changed?

Betty Swalls

Why is water wet ?

Hopefully not as daft a question as it sounds. Water, as everyone knows, is comprised of Hydrogen and Oxygen (H2O) which are both gaseous at normal room temperature, so why, when they're combined, do...

crazy legs

How many sperm?

How many sperm does it take to get pregnant?Some sources say just one, but others say a good few are needed to break down a barrier.tnx

blueyedevil

semen?

is there fertile semen (as in it can get you pregnant) in pre-***?

Aurorabeauty

Anatomy

Patients in hospital beds are rotated every 2 hours to prevent bedsores. Exactly why is this effective?

seekeerz

Daily Telegraph 10/11

Last one, well nearly - 36d Time in the television schedules after which adult programmes may be shown - I've either got something wrong or it's a term I don't know - any night owls, I'd be grateful

derrynoose

Mnemonics.

At school we learned ' I wished to go TOA dance SOH I took a CAH' as a mnemonic for the sine, cosine, and tan ratios.Did anyone use any other mnemonic for these ratios? What mnemonics would you have...

redpaws11

What will carbon monoxide pass through?

I've heard that carbon monoxide can pass through walls and floors in a home. Can it go through plastic? What other substances will contain it or allow it to pass through?

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