 | 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 |
| 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 |
| Do blind people dream in visual images? | February 11, 2020 |
| How does trash in the ocean disappear? | August 20, 2019 |
| Can a star turn into a planet? | February 24, 2019 |
| Can gravity form waves? | November 6, 2018 |
| Why does mainstream medicine only treat patients with drugs? | May 18, 2018 |
| Why don't metals burn? | February 18, 2018 |
| Is the reason that nothing can go faster than light because we have not tried hard enough? | July 20, 2017 |
| Since a star's light takes so long to reach us, how do we know that the star is still there? | April 2, 2017 |
| Galaxies look stationary, so why do scientists say that they rotate? | November 17, 2016 |
| Does the back of a rainbow look the same as its front side? | July 3, 2016 |
| How does a black hole give off light? | March 29, 2016 |
| Does a source of electricity ever run out of electrons? | March 17, 2016 |
| Is metal a good heat shield? | March 8, 2016 |
| How is a magnetic field just an electric field with relativity applied? | February 18, 2016 |
| Do Kirlian photographs show the soul of an organism? | February 10, 2016 |
| Would a guitar sound the same on a space station? | January 29, 2016 |
| Where is the edge of the universe? | January 20, 2016 |
| Is it possible to create magnetic waves? | January 13, 2016 |
| What is the overall electric charge of the universe? | January 11, 2016 |
| Can I turn my cat into a diamond? | December 30, 2015 |
| What keeps the sun spinning? | December 21, 2015 |
| What chemicals can make human tissue regenerate in seconds? | December 14, 2015 |
| Can a fire have a shadow? | December 1, 2015 |
| How does the outer layer of skin cells on my finger detect when I am touching an object? | November 23, 2015 |
| Why do the spikes that shoot out of stars form perfect crosses? | November 16, 2015 |
| Can sound waves generate heat? | November 5, 2015 |
| Can a man's testosterone be boosted naturally? | October 29, 2015 |
| Why is the sky not blue as seen from space? | October 16, 2015 |
| How can Lyme disease last for years? | October 9, 2015 |
| Can radio antennas emit visible light? | October 2, 2015 |
| Can you make a sunset in a cup of milk? | September 23, 2015 |
| Why don't I feel the miles of air above me that are crushing me down? | September 14, 2015 |
| Can humans ever directly see a photon? | September 3, 2015 |
| Is there a difference between mainstream science and alternative science? | September 1, 2015 |
| Why have humans evolved to be taller over the last three hundred years? | August 19, 2015 |
| Why do humans crave sugary foods? Shouldn't evolution lead us to crave healthy foods? | August 17, 2015 |
| Why is the moon so bright? | August 6, 2015 |
