- the unimaginable vastness of the universe
- how things were discovered or invented
- composing music
- becoming a better writer
- people who have complete faith (religiously)
- earthquakes
- if people like me
- why people do the certain things they do
- how do airplanes fly
- what cats think
- what happens after death
- what it's like to be really spontaneous
- what it's like to be in love
- if there's such a thing as love
- outer space
- the end of the world
- is there a difference between the mind and the brain
- 3D printers
- souls
dec 7 2011 ∞
feb 7 2015 +