I just wrote a depressing post and then deleted it in an attempt to be more upbeat and positive
They will have found out how to extract DNA and will be able to reproduce any extinct animal and reform (terraform) it's habitat. We will of course live in orbit on luxury space pads and have holidays on Earth.
Dolphins will be news readers
Computers will work perfectly without glitches (hmmm that might need more time
)
Invisibility and safe suit (I'm thinking of a force field sort of thing) for stalking wildlife - walking amongst a pride of lions etc
Peace, prosperity and great scientific and artistic advances.
Well - I don't believe it but it a nice idea
Jas