ELI5 Pluto - is it a planet or not?

Why was VitaminWater sued over the 33g of sugar in each bottle? How do our bodies work with artificial sweeteners? Why do diet sodas taste different to regular ones? Are artificial sweeteners a good way to lose weight? Do they cause cancer? Why nutrition labels for TicTacs list z ...  Show more

What is money laundering? Why can’t a criminal just spend good old fashioned cash? What are some of the ways used by criminals to launder money? Besides casinos, why are laundromats often mentioned? Why are countries like Panama and Cyprus ideal for laundering money? ... we expla ...  Show more

Pluto is tiny, icy, and used to be the ninth planet in the solar system. Used to be. So why isn’t Pluto a planet anymore? Join Molly and co-host Momo as they learn Pluto’s history, talk to planetary scientist Kelsi Singer about NASA’s New Horizons mission, and even hear from the ...  Show more

An international committee of astronomers agreed Pluto wasn't really a planet in 2006. They reclassified it as a 'dwarf planet' instead. The decision was made after Mike Brown of the California Institute of Technology identified a larger body, Eris, in the Kuiper Belt. He has bee ...  Show more

It was the only planet to have been discovered by an American, but it's no longer classified as a planet. Who found Pluto, and how did astronomers even know to look for the so-called Planet X on the edge of our solar system?

Although the International Astronomical Union demoted Pluto from a planet to a dwarf planet in 2006, some scientists think it deserves to be reinstated. Learn why in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/pluto-is-it-planet-after-all. ...  Show more