Retirement hobbies

My growing list of retirement hobbies to pursue:

1.  studying meteorology (weather.)
2.  studying paleontology (fossil animals and plants.)
3.  studying geology  (earth’s physical structure & substance)
4.  studying home architecture, with an emphasis in the Craftsman style and Mediterranean Revival style.
5.  study the history of Native Americans.
6.  read.
7.  Tai Chi.
8.  Enjoying all the TV series I never watched but look good now.
9.  joining Mesa-Gilbert Rocks.  https://www.facebook.com/groups/MesaGilbertRocks/
10.  volunteer.  Preferably rocking neonatal babies.