Only nuclear power can now halt global warming.

There is little evidence that our individual intelligence has improved through recorded history.

By the end of this century, climate change will reduce the human population to a few breeding pairs surviving near the Arctic.

Nowadays if you're dependent on a grant - and 99% of them are - you can't make mistakes as you won't get another one if you do.

I suspect any worries about genetic engineering may be unnecessary. Genetic mutations have always happened naturally, anyway.

If it hadn't been for the Cold War, neither Russia nor America would have been sending people into space.

By 2040, the Sahara will be moving into Europe and Berlin will be as hot as Baghdad. Atlanta will end up a kudzu jungle. Phoenix will become uninhabitable, as will parts of Beijing (desert), Miami (rising seas) and London (floods). Food shortages will drive millions of people north, raising political tensions.