Be nice to nerds, they'll probably be your boss one day.

I don't think I would have spent time learning about the immune system if understanding vaccines weren't something I considered very important.

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AIDS we're - most of these diseases - we are down from the peak. We're down about 40 per cent from the peak and if we got the right vaccines, which are at the early stage of discovering, then the numbers would come down very dramatically. So that's why we talk about it as an emergency.

So not only are we saving lives now, we're creating the incentive for the breakthroughs that over the next generation will mean we can take AIDS, malaria and TB and bring those numbers dramatically down.

Well the protester I think is a very powerful thing. It's basically a mechanism of democracy that, along with capitalism, scientific innovation, those things have built the modern world. And it's wonderful that the new tools have empowered that protestor so that state secrets, bad developments are not hidden anymore.

Teaching's hard! You need different skills: positive reinforcement, keeping students from getting bored, commanding their attention in a certain way.