Category Archives: evidence for evolution

Texas blind salamander has optic nerves but no real eyes

This is the kind of post I originally intended to go on this site. When I started this website, I thought that every few weeks I’d publish a bit of new (or old) evidence for evolution, supporting Why Evolution Is True, which was a new book in 2009. Well, as you see, things kind of […]

Is the appendix a vestigial organ?

One of the main mistakes creationists make is arguing that if a vestigial trait is actually used for something, then it is neither vestigial nor gives us evidence for evolution. (Such features testify to common ancestry.)  Both creationist claims are wrong. They rest on the false argument that if the appendix, for instance, actually has some […]

Don McLeroy responds to the evidence for whale evolution

The other day I put up a post showing a video by Jon Peters about the evidence for the evolution of whales. That’s one of the great stories of evolution, and is copiously documented with evidence from many areas: the fossil record, genetics, embryology, vestigial organs, and so on. (The reptile—>mammal transition is equally well […]

Evidence for evolution: whales

After my CfI lecture in Portland, I met reader Jon Peters, who told me he’d made and videotaped an entire lecture on the evidence for evolution—using only whales and other cetaceans as examples. Some of the material is from WEIT, and I must have given permission for that, though I can’t recall. I may have […]

Vestigial traits in humans

Here’s a new video from Vox that demonstrates several vestigial traits in humans. Most of these are in WEIT, but this is a great short video to show students.  I don’t have a palmaris longis on either arm, but I can wiggle my ears. Still, I didn’t know that you can detect futile attempts to […]

Ottawa: a visit to The Canadian Museum of Nature

While in Ottawa, I spent a couple of engrossing hours at The Canadian Museum of Nature. I don’t have a picture of the entire building (built around 1905), but here’s one from Wikipedia. The incongruous glass addition was put on between 2004 and 2010 to replace the original stone tower, whose weight was causing the building […]

A very nice video on the evidence for evolution from cetaceans

At last! An evolution video that is informative and doesn’t have any big problems (at least none that I could find). This video, concentrating on cetacean evolution, might be useful for classes that give the evidence for evolution. There are some great photos and great evidence here. The video is made by Stated Clearly, which […]

The 12 days of evolution. #8: Evolution and thermodynamics

Here’s the Eighth Day of Creation, or rather, the eighth episode in the PBS/It’s Okay to be Smart series on “The Twelve Days of Evolution.” In effect, the episodes each aim to debunk one creationist misconception (or lie). In this case it’s the old claim that evolution violates the Second Law of Thermodynamics. Let’s review […]

The 12 days of evolution. #6: The imperfection of evolution

Today’s video, part of the PBS/It’s Okay to Be Smart collaboration, highlights the “dumbness” of evolution: the fact that it has no foresight, and therefore devises solutions—I’m speaking metaphorically here—that are less perfect than an engineer could come up with de novo. One of the most famous jerry-rigged and imperfect “adaptations” is the mammalian recurrent […]

Twelve days of evolution. #4: Can evolution really make an eye?

Here’s the fourth video in the “Twelve days of evolution” series produced by PBS and “It’s okay to be smart”. It’s about the evolution of the eye: This is a pretty good explication of how to refute the creationist claim that eyes couldn’t have evolved by natural selection, and were therefore created de novo. That […]