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

Inspiration starts somewhere.

Eventually we'll be able to sequence the human genome and replicate how nature did intelligence in a carbon-based system.

The malaria parasite has been killing children and sapping the strength of whole populations for tens of thousands of years. It is impossible to calculate the harm malaria has done to the world.

I understand how every healthy child, every new road, puts a country on a better path, but instability and war will arise from time to time, and I'm not an expert on how you get out of those things.

Nuclear energy, in terms of an overall safety record, is better than other energy.

If I hadn't given my money away, I'd have had more than anyone else on the planet.