 You don't need to be an 'investor' to invest in Singletrack: 6 days left: 95% of target - Find out more
Interesting short read if you like this sort of thing.
The lay paragraph is very interesting. Perhaps we will have solid proof in our life times?
http://www.bbc.co.uk/news/science-environment-43976977
Looks interesting, I will read at the week end.
This paper is also quite interesting:
https://www.nbcnews.com/mach/science/did-another-advanced-species-exist-earth-humans-ncna869856
pbs space time utube channel gives a good background to this kind of stuff for the hard of thinking of us 🙂 (what we've manage to discover about the nature of the universe(s) in such a short period of time is quite staggering) IIRC there one space time vid about whether the "anomaly" in CMB was our universe colliding with another.