The story of evolution is captivating precisely because it is so connected to us.

The idea of common ancestry leads naturally to powerful and testable predictions about evolution.

There's a big difference between how species would look if they were designed or engineered versus how they would look if they evolved. Evolution works with pre-existing traits, and engineer works from scratch.

A good summary of the origin of life on Earth evolving all the way up to human beings.

Birds and reptiles share many resemblances, meaning they have a common ancestor, which is dinosaurs.

Tiktaalik was discovered right where evolution predicted it should exist, with traits that brought it closer to land without making it onto land, creating another fossil prediction for the future.

A list of the traits hippos exhibit that make the land mammal a likely candidate for being related to the whale.

Species by species list of the links from ancient land mammals to the whale.

A trait is vestigial not because it no longer serves a purpose, but because it no longer serves its original purpose.

Remnants of a tail, muscles that serve no purpose, etc.

Modern horses have a common birth defect of growing extra toes from when their ancestors had them.

An experiment from 1980 that stimulated hens to grow teeth by triggering a gene holdover from their ancient reptilian ancestors.

Used to produce Vitamin C, alive in most mammals, but dead in humans, primates, and others.

Yet, as aquatic mammals, they have no need to smell anything.

Embryos go through the stages of the evolution of their ancestors as they develop.

That appears at the same time in development as it does in Chimpanzees, but then vanishes.

A fantastic example of bad design as it moves from one side of the fish's head to the other.

The two groups of species share many many traits, but they exist in completely different parts of the world, evolving separately, but converging to be almost interchangeable.

European honeybees are defenseless against this predator, but Asian honeybees have evolved an amazing counter attack.

Breeders are able to sculpt dogs into whatever they desire. Experimental proof of evolution.

Turkeys, corn, broccoli, tomatoes, etc, etc, all bred from wild species into their modern domesticated forms.

Scientists blocked a gene for digesting lactose in bacteria, which then mutated to have the digestive function taken over by another gene producing an enzyme, which then got progressively selected for efficiency.

Bacteria evolve into different species in order to adapt to the different environments at the bottom and top of a test tube.

Evolution in action.

If plants and insects can evolve resistance to these human-induced selective pressures, then we may assume they evolve to other natural environmental pressures as well.

Scientists predict how a drought will affect the flowering time of plants in California, and it comes true.

So quickly in fact that scientists could turn an elephant into a mouse in just 10,000 years.

A simple series of adaptive steps explain the evolution of eyes over time.

A river formed the Grand Canyon, so we know that small processes can have huge effects given enough time.

Various evolutionary strategies males of different species keep a female from mating with other males after sex.

A Great summary of the differences between them evolutionarily.

Example of the natives of an island having nearly the same number of classifications of birds as the taxonomists who studies the species.

A species is defined by the fact that its members can breed with one another.

Different pheremones, blooming times, geographical isolation can keep members of two different species from breeding.

Just as astronomers search the skies for stars in varying stages of life, biologists look for species in varying degrees development.

Although he thought he was merely seeing God's plan.

The bone tilts to bring the knees inward, like it does in humans, but not in chimps, who waddle because they are bow-legged.

Not only do these prints demonstrate A. afarensis could walk upright, but the nature of their preservation, having been made in volcanic ash and their proximity to one another, paints a image of two ancestors huddling together in an ashen landscape.

The analogy is made that if you change 1 percent of the words you change much more than 1 percent of the sentences, and the same applies to the genetic drift between humans and chimps.

It is wrong to pretend they do not exist, but we should remember that the differences between human races are minor compared to the genetic differences between individuals within a race.

Cultural norms in different societies probably shaped many of the physical differences we see between races today, different definitions of beauty.

Some groups of humans evolved the ability to digest milk beyond infancy as their societies domesticated cows.

Culture has removed many of the selective pressures from human survival, allowing harmful mutations to build up in the genepool; meanwhile, people living in third-world countries continue to experience selective pressures from droughts, famines, and disease.

Resistance to evolution is less about the theory and more about its moral implications.

We are the one species of 3.5 billion years of evolution that has figured out how we got here.

The fact that the species that exist on islands could only have migrated there versus the ones that do not exist are evidence of evolution.

Evolution modifies existing structures rather than creating new ones from scratch.

Science yields answers in time, ignorance begets confidence in the present.

Because they evolve from egg-laying reptiles, they have dead genes for producing yolks and even produce yolks in the placenta.

Although they have very different reproductive strategies, the two groups have many parallels in species adapted to the same environments.

Taxonomists working independently naturally "nest" species in the same groups.