I’ve noticed this for decades while I later became a “senior” myself. Old folks populate the highest level of the American Academy of Arts and Science (and probably the American Academy of Forensic Sciences) who go to court as experts. Median age is 71!
This article talks about a survey of AAAS scientists pertaining to the legal system which hires some for proving “facts.” The title is “Many scientists take a dim view of the court system – until they take part in it.”
FORENSICS and LAW in FOCUS @ CSIDDS | News and Trends 
There is the American Academy of Arts and Sciences. There is also the American Association for the Advancement of Science. The latter publishes Science Magazine.