"Keeping international students who have studied in the country is the ideal way of immigration," says Sebastian Fohrbeck."They have the needed certificates, they don't have a language problem at the end of their stay and they know the culture."

I doubt it. As far as I can see, in my country (not Germany) international students live in an English-only expat bubble, don't learn a word of the language of their host country, and they usually leave after finishing their studies.

Save Wordpress site as static HTML:

wget -k -K -E -r -l 10 -p -N -F -nH http://www.oldwebsite.tld/

Remove Wordpress site and upload static HTML in its place.

Tribalism a.k.a. "us" versus "them" is one of the oldest and deepest-seated human instincts (chimpanzees are also very tribal, which suggests that the instinct goes back to the common ancestor of humans and chimps).

The overwhelming instinct is to choose a group to belong to and to want to see competing groups humiliated. Breaking out of this is very uncomfortable, as the effort will not be appreciated by your "tribe mates", who will consider you a traitor.

Saying that colonial organism like corals are tens of thousands years old is cheating IMO. The colony may be that old but the individual polyps are not.

You might as well say that the city of Rome is a 2500 year old "organism".

Smarter people don't really care about a watch looking "classy" since that's just a euphemism for an embarrassing show of wealth

"Classy" only equals "expensive" for people who don't have class.

we have kind of killed off most of the natural predators.

A good thing that there is still one natural predator left: ourselves. PETA is unwilling to understand that humans are the current top predator.

There's this great myth in science, perhaps promulgated by the likes of Popper, that science is a series of revolutions terminating periods of retrenchment and even inactivity.

That's Kuhn, not Popper.

There's actually a hunting technique that's been used called exhaustion hunting, where people chased a deer or whatever until it collapsed from exhaustion and then ran up to it and killed it.

Still in use: Human mammal, human hunter.