Live stream preview

Watch this video and more on

Watch this video and more on

Start your free trial

Already subscribed? Sign in

Up Next in S7: "Evidence for Evolution"

  • Vestigial Structures

    Vestigial organs are structures in living things which supposedly had a function in their evolutionary ancestor, but now have ‘no function’—or at least, different or reduced functions. Whether the appendix, the tailbone or wisdom teeth, ‘vestigial’ structures are often considered evidence for evo...

  • Thinking About “Bad Designs”

    A textbook argument against creation is that nature includes “bad designs” which point to evolution rather than a Creator. For example, food and air both pass through the pharynx, which can lead to choking, and a small blind spot exists in the human eye. Let’s apply some critical thinking checks ...

  • Biogeography

    Biogeography, the study of living things’ geographic distributions, supposedly supports evolution. But is that true? Let’s apply some Critical Thinking Checks to the popular claim that marsupials (like kangaroos) live only on southern continents because their ancestors evolved there.