Is there powerful easy-to-understand evidence for evolution that people can see with their own eyes?

You're looking at it now. Try figuring out why this is undeniable evidence for evolution, then go visit What are those tiny rear limbs doing there? to get the scientific explanation. If you're an evolution denier you should click the link to find out why a biologist said this is rock-hard evidence for evolution.

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12 more evidence for evolution posts:

Human chromosome 2 and chimpanzee chromosomes 2p & 2q

Bible thumping retard in Idiot Tennessee is a science denier. What a surprise!

A whole bunch of fucking evidence for evolution

Evidence for evolution you can see with your own eyes

Evolution deniers can't explain why their god fairy would use its magic wand to create the giraffe's laryngeal nerve 15 feet longer than necessary.

Science deniers, how do you explain Dorudon?

The Great Apes: chimps, people, gorillas, orangutans

Endogenous Retroviruses make Jeebus cry.

Some stuff I stole from Jerry Coyne's Why Evolution is True

The ancestor of the Chihuahua is the wolf.

Lanugo makes Jeebus cry.

This is for the Christian assholes who say there are no transitional fossils.