In 2006, Felix Warneken showed 18-month-olds an adult who dropped a clothespin out of reach or bumped into a closed cabinet with his arms full. Nearly all of them helped at least once, often within seconds, without being asked or rewarded. But if the adult threw the object down on purpose, they stayed put: they had understood his intention. Helping shows up long before anyone teaches it.
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.