Thanks for this interesting question.  I have found the original piece of research about 'Silver Acetate for Smoking Cessation' by T Lancaster and LF Stead (see link below) - but it does not provide any info about the chemistry...

It sounds like a jasper called dalmation jasper, and its attractive appearance means that it's easier to find on online jewelry websites than geology websites!

The key fact which helps you here is that water boils at 100 degrees Celcius to become steam, while salt remains a solid at this temperature.  Therefore, boiling the water will convert it to steam which naturally rises in the air...

This depends on which area you wish to speciialise in: criminology (to solve crimes), medical biology (for post-mortems etc) or environmental science.  If you check on the UCAS site and search for Forensic Science, you will find 260...

The Northern Lights (or Aurora Borealis) are visible near the North Pole of the Earth, while the Southern Lights (or Aurora Australis) are visible only near the South Pole.  Both have the same cause - the sun - and both are...