Our Lives Matter S1E12: Africa 7 Million Years Ago
Seven million years ago our ancestors were chimpanzees living in a forest in Africa. Then a drought caused a food shortage, and some of them walked into the grassland looking…
Plants and Worms to Fish, Amphibians, and Reptiles (text)
ACT I Scene 1 3,500,000,000 years ago there were single celled organisms floating in the ocean. There are a lot of steps between them and us. If you focus on…
Our Lives Matter S1E11: Plants and Worms to Fish, Amphibians, and Reptiles
How did we get from single celled organisms to all the diversity of life in the world today? If you focus on how many differences there are between one…
A Conceptual Detour of Evolutionary Biology (text)
ACT I Scene 1 Our story of the evolution of life has gotten up to multi-cellular life floating in the ocean. You know how many more steps there are…
Our Lives Matter S1E10: A Conceptual Detour of Evolutionary Biology
There are a lot of steps in between the evolution of multicellular life and the evolution of the plants and animals as we think about them today. We can fill…
The Evolution of Life (text)
ACT I Scene 1 The Earth formed about 4.5 billion years ago. Life began about 3.5 billion years ago. So how did it happen? That’s another big mystery people have…
Our Lives Matter S1E09: The Evolution of Life
Genes are molecules. Evolution is caused by the replication, variation, and selection of genes. For life to begin on Earth, the geology of the Earth had to start a chemical…
The Big Bang to the Periodic Table of the Elements (text)
ACT I Scene 1 The universe began with an extremely dense concentration of energy. Then it exploded in the Big Bang, kind of like a gigantic supernova. Physicists…
Our Lives Matter S1E08: The Big Bang to the Periodic Table of the Elements
The Big Bang was a huge explosion of energy. Some of it condensed into matter. That set the universe in motion. It led to the formation of atoms. It also…
Our Lives Matter S1E07: A Philosophy of Four Mathematical Laws
Math is the metaphysics of science. Every scientific discovery is the discovery of a mathematical pattern in the world. To tell a mathematical story of the world that people…