In our sixth BioLogos videocast, we take a look at the age of the Earth. We explain four methods scientists have used to determine that age: tree ring, lake varve, radiometric, and seafloor spread dating, and also offer some theological insight on how an old earth can fit with the first chapters of Genesis.

As an Evangelical and a scientist, Katharine Hayhoe is already a member of a rare breed. As a climate change researcher who is also married to an evangelical Christian pastor, she is nearly one of a kind.

In 1967, biologists Roger Payne and Scott McVay discovered that humpback whales “sing” and published recordings of the whales’ complex vocalizations, after which “whale song” quickly entered the popular consciousness and helped propel the “save the whales” environmental movement forward.

In this video, Brian McLaren discusses the idea of surrogate arguments, in which a debate over one thing is really a means for arguing something completely different. According to McClaren, the argument over the age of the earth is one such argument.

Geologists Davidson and Wolgemuth address the widely promulgated notion that the Flood can account for the earth’s complex geology, and that all genuine Christians should accept this viewpoint.

In this brief video, Physicist Ard Louis looks at two important aspects of time to consider when reading Genesis 1: chronology and the idea of “deep time”.