 | How can I tell if I have depression or just normal sadness? | June 27, 2024 |
| Does everything get smashed to bits when two galaxies collide? | June 25, 2024 |
| Where do ocean tides get their energy from? | June 11, 2024 |
| Where does the atmosphere end? Where is the edge of space? | June 6, 2024 |
| What are some fake-science headlines that reappear regularly? | May 15, 2024 |
| How can glass produce glare without reflecting light? | April 19, 2024 |
| Why is the speed of light a random finite number? | February 7, 2024 |
| Is mental illness really an illness? | January 8, 2024 |
| Is there a difference between thermal radiation and infrared radiation? | December 13, 2023 |
| When does light travel in a straight line? | November 22, 2023 |
| Are there any massless particles? | October 23, 2023 |
| Why don't the gases in the atmosphere separate out according to mass? | September 19, 2023 |
| Why does a person with only one working eye have zero depth perception? | July 28, 2023 |
| How do 5G cell phone signals harm humans? | August 18, 2022 |
| How can radioactive decay just happen with nothing triggering it? | August 11, 2022 |
| Why is gravity not a real force? | August 5, 2022 |
| Are there different types of black holes? | August 2, 2022 |
| Is a black hole a 2D or a 3D object? | July 20, 2022 |
| Why does the air only contain water vapor and not other kinds of vapors? | June 11, 2022 |
