- What If You Built a Pipe to the Bottom of the Mariana Trench?
- What If a Black Neutron Star Entered the Solar System?
- What If You Lived In a Closed Biosphere?
- Discussed: What If You Lived In a Closed Biosphere? - Jane Poynter
- What If Uranus Collided With Earth?
- What If a Turkey Hit Earth at the Speed of Light?
- What If We Could See Through a Black Hole?
- Discussed: What If You Could See Through a Black Hole? - Pr. Clifford Johnson
- What If a COVID Vaccine Were Available Tomorrow?
- What If You Were Attacked by a Megalodon?
- What Happens If You Drink 1,000 Red Bulls in a Month?