Fine.
But there's a question that's usually not addressed: if we find them, given that it is, and probably will be for a very long time, impossible to communicate with them, what do we do then?
At my former employer, NC State, "Elsevier" was among the very dirtiest of dirty words.
"[C]an each of the natural numbers below 100 be expressed as the sum of three cubes?
"Dangerous" because it "is quite possibly the simplest unsolved problem in mathematics — which is exactly what makes it so treacherously alluring."
Discussion on Quora. I think I like the ideas of "brains in a tank" and commercially viable fusion.
A 2.5 minute video of some of climate change's greatest hits.
A few more recent links on climate change:
"Plausible Scenarios for Global Warming" (Hinderaker at Powerline summarizes recent research by Judith Curry. Highly recommended.)
"Global Warming in a Few Charts".
"Good News from the Apocalypse Desk".
"The Incredible Story Of How Climate Change Became Apocalyptic".
"Alex Epstein’s Clear Thinking on Climate and Energy".
And finally, a recently recommended fix:
"My dad and I are a great reminder that genetics aren't an exact science." (Or, as one of the comments points out, the limits of using just one parent to predict the offspring.)
Long time readers have seen this many times before: give the points and bet on Big Al.
I've noted a number of times here how weird some of modern physics is, particularly quantum physics and astrophysics. But Philip Goff snaps, "Hold my beer," and offers us a theory of panpsychism.
This would seem to be a big problem for astrophysics.