Scientists surely have a special responsibility. It is their ideas that form the basis of new technology. They should not be indifferent to the fruits of their ideas. They should forgo experiments that are risky or unethical.
Martin ReesI think all countries need to aim to cut the CO2 emissions per person, taking account of externalities like imports and exports.
Martin ReesI think a few hundred years from now we'll start having the 'posthuman' era of different species.
Martin ReesI suspect there could be life and intelligence out there in forms we can't conceive. Just as a chimpanzee can't understand quantum theory, it could be there as aspects of reality that are beyond the capacity of our brains They could be staring us in the face and we just Don't recognise them. The problem is that we-re looking for something very much like us, assuming that they at least have something like the same mathematics and technology.
Martin Rees