 | How bright is a rainbow? | October 12, 2026 |
| Is there much difference between vision in daylight and in the dark? | June 16, 2026 |
| How does a coin know to land heads half of the time? | January 24, 2025 |
| What is the difference between a law, a principle, a theory, and a hypothesis in science? | July 24, 2024 |
| What is the most stable nucleus? | July 23, 2024 |
| 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 |
