The Science Behind July 4 Fireworks and Earth’s Inner Core Slowing Down

Delve into the chemistry and artistry of July 4 fireworks displays. Plus, new research reveals Earth's inner core has been slowing down since 2010. Also, explore the escalating threat of extreme wildfires and the mysterious retinal cells that could alter our understanding of color perception.

Sources:
https://www.wdtn.com/news/science/the-science-behind-july-4-fireworks-displays/
https://phys.org/news/2024-06-extreme-wildfires-years-science.html
https://www.forbes.com/sites/jamiecartereurope/2024/06/29/earths-inner-core-has-been-slowing-down-since-2010-say-scientists/
https://www.psypost.org/scientists-identify-mysterious-retinal-cells-that-could-alter-our-understanding-of-color-perception/

Outline:
(00:00:00) Introduction
(00:00:41) The science behind July 4 fireworks displays
(00:03:06) Extreme wildfires have doubled in just 20 years—here's the science
(00:06:34) Earth’s Inner Core Has Been Slowing Down Since 2010, Say Scientists
(00:09:45) Scientists identify mysterious retinal cells that could alter our understanding of color perception