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they are correct. They are families. You can attach various functional groups (ester, alcohol, acid, amine, alkyl, carboxyl etc) to the cores as shown. That's what organic chemistry students do. They study how to make the compounds efficiently given the chemical formula and structure.

I've read somewhere that Porton Down people found it was Novichok A-230 albeit that is our own classification.

Boris Johnson exceeded his usual buffoon self this morning on Marr's show. “We’re not going to have the influence of the European Court of Justice, that’s just BBC claptrap, we’re not going to be paying in after we come out. Yes there will be an implementation period, but after we come out...

that happens to a lot of motors that are parked outside.

but every little helps!

I would have thought that in the long run, Russia may join the EU if the EU causes NATO to be disbanded.

OT, I am sure JC will give back as good as he gets. if JC needs to be protected from the right wing press then he won't be good enough to be our next PM.

Hilary Benn made a good interview on BBC1 Sunday Politics just now. If anyone fancies a long read, here is the link...

TM has a lot of experience in U-turns and survived.

your child is at the top end of the capability of a child seat, front or rear. The cheapest alternative is a trailer. the height of the child seat will not let you swing your leg over it.

alternatively, they have a lot of samples and just don't want to help the Russians for obvious reasons.

I am unsure about this frame lock. If its working mechanism is too clever and thus not obvious to the customers, they may not set it correctly and safely.

there is always a possible return. That's the strong point of a democratic system like ours. The first step is to remove the tories from power.

We sell them for £16 a pair when bought with one of our hubkits. They come in two types: 3-pin with yellow plug and 2-pin with red plug. You can find them on ebay too.

in the real world, detecting minute traces of radionucleotides is not a clear-cut science unless you have sufficient samples. Even then, if you are looking for one particular nucleotide, like 210Po in this case, is even more difficult. Arafat's body tissues have been thoroughly examined and...

zlatan, read the wiki on Po 210. https://en.wikipedia.org/wiki/Polonium Quote: 210Po is widely used in industry, and readily available with little regulation or restriction. In the US, a tracking system run by the Nuclear Regulatory Commission was implemented in 2007 to register purchases of...

I can confirm that it is common knowledge to physics students that all radioactive materials that emit alpha particles are usually easy to handle. The alpha particles can't even penetrate our skin, so Po 210 is easy to handle as long as it does not get into your eyes or your food then into your...

that are indeed the aims and the reality often falls short of them. Many people with the right information are gagged or discouraged to come forward because of their employment (access to privileged information or non disclosure contract or fear for their safety etc) and the people who...

No. I have no opinion on those reports. At the political level, you have to make up your mind and tell the voters where you stand. It's not fact based and does not require a high degree of proof. You'll pay of course for jumping on the wrong horse. BTW, Tony Blair paid. BJ and Gavin Williamson...