Scientists say they have a vaccine that stops mice getting a brain disease similar to BSE in cattle and which may ultimately protect humans against vCJD

Tight rules have been introduced to ensure that BSE-infected meat does not enter the UK food chain.

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 Here are the lesson notes on bonding and formula mass, along with some questions for all of you who were in the lesson and for some who were not! (Rob, Jonathan, Holly, Harry, Rachel,Tyler)

bonding.pdf

formula%mass.pdf

atomicstructure.mp3

If you have a camera that takes video and you are allowed to bring it in  at your own risk on tuesday for the lesson then please do.

All new farming methods, not just genetically modified (GM) crops, should be assessed for their potential impact on the environment, UK experts suggest. Government advisors on GM plants said that while GM technology was subjected to close scrutiny, there was no similar system for conventional practices. The impacts on the land, as well as the economic benefits, should be understood before being widely adopted, they said.

The costs and benefits of energy crops are not fully understood

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