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Nov 24, 2014

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 wildfire. The quiet life on land enjoyed by the plants looked appealing to that first vertebrate that poked its head out...

Nov 17, 2014

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 that mark the Cambrian Era. The real winners were the Trilobites.

Nov 10, 2014

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 protected themselves against the environment. It is during this period that some peculiar forms began to emerge.

Nov 3, 2014

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 than they had been before. What passed from one to the other was a few microscopic bits of genetic material....