Wormhole scientists are buzzing. In the last few years there’s been a boom in wormhole research, thanks to some eye-catching breakthroughs. So could we one day travel through a wormhole? And what would happen if we did? Best of Earth Lab: Best of BBC Earth: Unexplored (2022) Who owns Mars? What happens when we meet […]
Tag: Chemistry
What Is Fire?
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: We’ve got T-SHIRTS! Don’t miss our next video! SUBSCRIBE! ►► ↓ More info and sources below ↓ Why does fire burn? What’s the chemistry and physics of a flame? This week, learn about the beautiful science happening inside […]
The 2,400-year search for the atom – Theresa Doud
View full lesson: How do we know what matter is made of? The quest for the atom has been a long one, beginning 2,400 years ago with the work of a Greek philosopher and later continued by a Quaker and a few Nobel Prize-winning scientists. Theresa Doud details the history of atomic theory. Lesson by […]
Why does ice float in water? – George Zaidan and Charles Morton
View full lesson: Water is a special substance for several reasons, and you may have noticed an important one right in your cold drink: ice. Solid ice floats in liquid water, which isn’t true for most substances. But why? George Zaidan and Charles Morton explain the science behind how how hydrogen bonds keep the ice […]
Origins of Life: Astrobiology & General Theories for Life – Scaling | Pablo Marquet
These videos are from the ComplexityExplorer.org course ‘Origins of Life. This course aims to push the field of Origins of Life research forward by bringing new and synthetic thinking to the question of how life emerged from an abiotic world. This course begins by examining the chemical, geological, physical, and biological principles that give us […]
Where did the Moon come from? A new theory | Sarah T. Stewart
The Earth and Moon are like identical twins, made up of the exact same materials — which is really strange, since no other celestial bodies we know of share this kind of chemical relationship. What’s responsible for this special connection? Looking for an answer, planetary scientist and MacArthur “Genius” Sarah T. Stewart discovered a new […]