David Matsumoto analyzed thousands of photos of judo athletes at the Olympic and Paralympic Games. Athletes blind from birth, who had never seen a face, made the same expressions as sighted ones at the moment of winning or losing, right down to the polite podium smile. These expressions can't be learned purely by watching others.
Remembering is not replaying a recording — it is rebuilding. Each time you recall a memory, it becomes temporarily malleable and can be altered before being stored again. That is why two people can sincerely remember the same event… differently.
In 2003, Johnson and Goldstein compared European countries. Where you must tick a box to become a donor, consent rates ranged from 4% to 28%. Where you're a donor by default unless you opt out, they topped 85%. People aren't more generous on one side; most simply stick with whatever option was chosen for them.