New breakthrough technologies can make it easier, but we've already got, right now, everything we need to… — Greg Craven

Try to keep in mind one of the fundamental aspects of science: letting the evidence form belief rather than belief select evidence.

The clever part is that it changes the question from, Who should I believe? to, What should I do? After all, the physical world is unaffected by our beliefs. It reacts only to our actions.

Scientists are trained to not give absolute answers. It is interesting that in recent years, some have started to do so when talking with the media, because they've learned that whenever they include the very scientific words possibly, perhaps, and uncertainty, their conclusions are interpreted by the media and public as simple guesswork.