Many researchers now believe most of these disorders share a common origin: clusters of deformed proteins that pile up in the brain over the years, slowly poisoning brain cells.

FORBES: Dirty Minds

That similarity, though, is almost certainly the result of convergent evolution rather than a common origin, since the last joint ancestor of Crassicorophium and spiders lived way longer ago than the ancestor of Crassicorophium and barnacles.

ECONOMIST: A species of crustacean makes silk underwater

The thieves were so flippant about law enforcement that they didn't even bother to conceal the origin of their mailings, a common practice for international hackers.

FORBES: Magazine Article

NAFTA's complex rules of origin, moving instead towards a customs union with common tariffs on goods from other countries (to be set at the lowest level of any of the three).

ECONOMIST: North America

Given that Crassicorophium and barnacles are both crustaceans, albeit ones whose common ancestor lived 100m years ago, that suggests a single origin for the ability to make this type of goo.

ECONOMIST: A species of crustacean makes silk underwater

Homo sapiens last shared a common ancestor with our robust cousins around 600, 000 years ago, well prior to the origin of both modern humans (see above) and Neanderthals.

BBC: What is anthropological genetics?