Today's theme is life forms. We use technology to improve ourselves, but underneath all the gadgets and wires, we're still the same hairy animals.

Is there something special about human beings?

Kevin Drum doesn't think we're special. He thinks human intelligence boils down to something pretty mundane.

In fact, some UCLA researchers have found that our gut instincts are smarter than our rational minds in some ways.

But it's not that simple. It looks like humans are still evolving at a pretty good clip.

The mysteries of the genome still haven't been unlocked, but we're working on it.

DNA and RNA might not be necessary for life at all.

We shouldn't jump to conclusions about whether humankind is special. It might be the case that life in the universe is just getting started.

Image via Shutterstock.

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