Darwin's Doubts
Throughout his life Charles Darwin suffered bouts of anxiety and often went off alone by himself to think. His work afforded him the perfect escape and he dove into it at every opportunity.
1 Joulu 201413min
The Beginning: Out of the Sea
The sea was full of life a half a billion years ago. Arthropods fought to survive and there were some interesting things happening on land as well. We have here our first plants - and they spread like...
24 Marras 201414min
The Beginning: An Arms Race
As predators evolved to better catch their prey, their prey evolved unique and efficient ways to avoid being eaten. It was because of this sudden arms race that we see the proliferation of body forms ...
17 Marras 201411min
The Beginning: Multicellularity Rules
The reason natural selection had such a grand old-time with multicellular organisms is because it gave it something to select for. These organisms increased in size, moved into new areas for food, and...
10 Marras 201412min
The Beginning: Sexual Reproduction
One day, millions of years ago, something occurred between two unsuspecting eukaryotes. When they bumped into one another something magical happened. They both left that encounter slightly different t...
3 Marras 201415min
The Beginning: Cyanobacteria
3.5 billion years ago microbial organisms appeared on the earth. These organisms combined, split, and combined some more, until the formation of microbes and single-celled algae. One of these single-c...
27 Loka 201413min
The Beginning: Life
In the beginning the Earth wasn't exactly a hospitable place. It was hot, volcanic, and oxygen was a rare commodity. So the question now is how did life emerge from these conditions? We are still aski...
20 Loka 201412min
Only A Theory
Charles Darwin had a hypothesis was that animals evolved due to a process he called natural selection. He strengthened his hypothesis with tests and observation. Evolution by natural selection has hel...
13 Loka 201415min
