Young Earth advocates claim that dating methods using tree rings, annual sediment layers (varves), or carbon-14 cannot be trusted because they are all based on untestable assumptions. In fact, geologists have ways of testing ALL assumptions using the methods of empirical science. In this episode, I'll share my own contributions to the subject showing how tree rings, sediment varves, and carbon-14 can be combined in really, really cool ways to demonstrate that counts of tree rings and varves y...
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Young Earth advocates claim that dating methods using tree rings, annual sediment layers (varves), or carbon-14 cannot be trusted because they are all based on untestable assumptions. In fact, geologists have ways of testing ALL assumptions using the methods of empirical science. In this episode, I'll share my own contributions to the subject showing how tree rings, sediment varves, and carbon-14 can be combined in really, really cool ways to demonstrate that counts of tree rings and varves y...
Ep 39 - The Wild World of Embryos with Dr. Jeff Hardin, Part 1
The Seven Series with Gregg Davidson
46 minutes
6 months ago
Ep 39 - The Wild World of Embryos with Dr. Jeff Hardin, Part 1
In this two part conversation, I am joined by Dr. Jeff Hardin, a zoologist at the University of Wisconsin and co-author of the textbook World of the Cell. In part 1, we spend most of the discussion on the amazing and sometimes mind-boggling science of the embryo, including splitting an embryo to create two or more fully developing individuals, two or more embryos merging to form one chimera, trans-species chimeras, glow-in-the-dark cells, gene editing, clones, and designer babies. With lots o...
The Seven Series with Gregg Davidson
Young Earth advocates claim that dating methods using tree rings, annual sediment layers (varves), or carbon-14 cannot be trusted because they are all based on untestable assumptions. In fact, geologists have ways of testing ALL assumptions using the methods of empirical science. In this episode, I'll share my own contributions to the subject showing how tree rings, sediment varves, and carbon-14 can be combined in really, really cool ways to demonstrate that counts of tree rings and varves y...
