Lead levels dropped

Aldrin deliliberately ran the approach radar which was not in the standard operating procedure

Ballistic missile tech already existed.

It was modified for use in the Mercury program.

China makes cars that no one else can

Every physician in the world uses Nazi data collected using the corpses of Jews. Most anatomy books uses drawings mad by Nazis. Just the swastikas have been airbrushed out. The data collection was never repeated.