There will be changes we can't yet begin to imagine in manufacturing and technology as well as in the medical sciences.
People will begin to live longer which will tend to put further strain on the population explosion and that may force us to eat lots of synthetic foods because natural foods will be in such demand that many people won't be able to afford them.
Space travel will be theoretically possible but will not *ahem* get off the ground because, really, there is nowhere close enough for us to visit.
For a time Islam will outgrow Christianity because, as more people become aware of reality the Christian churches will lose ground. In the Islamic countries, who are still several centuries behind the West, Islam will continue to grow.