At what age does the human brain fully develop?
25
How old were the Jim Twins when they reunited?
39
On which continent did all modern humans originate?
Africa.
Word for twins who share 100% of their DNA.
Identical
What chemical makes teen brains seek rewards and take risks?
Dopamine
Name ONE medical condition both Jim Twins shared starting at age 18.
Tension headaches (migraines).
How many years ago did early humans leave Africa?
60,000 years ago.
Word for two surprising events happening together by chance (e.g., dog named Toy).
Coincidence.
Which un-matured brain area controls impulses and long-term decisions?
Prefrontal cortex.
What exact name did BOTH twins give to their firstborn sons?
James Alan.
What scientific tool did the Genographic Project use to track migration routes?
DNA markers.
Brain's ability to adapt, rewire, and change based on experience.
Plasticity