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The Cambrian 'Explosion', Transitional Forms, and the Tree of Life
Geologist Keith Miller examines the "Cambrian Explosion", a period of rapid evolutionary diversification approximately 575 million years ago, and whether it poses a challenge to evolutionary theory.
Evolutionary Creation: A Christian Approach to Evolution
Professor Denis Lamoureux presents the theory of evolutionary creation, which claims that the Father, Son, and Holy Spirit created the universe and life through an ordained, sustained, and design-reflecting evolutionary process. The view of origins, says Lamoureux, fully embraces both the religious beliefs of biblical Christianity and the scientific theories of cosmological, geological, and biological evolution.
The Biblical Creation in its Ancient Near Eastern Context
"As a Christian and a biblical scholar, I care both about Scripture as truth and about the ongoing scholarly conversation regarding the composition of the Hebrew Scriptures. And so, when I was asked to speak on the story of creation in Genesis 1, I welcomed the opportunity to give my thoughts on the interaction between this text and its ancient Near Eastern context."
Mesopotamian Cosmic Geography in the Bible
Brian Godawa looks at several aspects of ancient cosmography (descriptions of the universe) that also appear in the Bible, and what these aspects of the text mean for our understanding of Scripture.
What scientific evidence do we have about the first humans?
In recent decades, scientists have discovered more about the beginnings of humanity. The fossil record shows a gradual transition over 5 million years ago from chimpanzee-size creatures to hominids with larger brains who walked on two legs. Later hominids used fire and stone tools and had brains as large as modern humans. Fossils of homo sapiens in east Africa date back nearly 200,000 years. Humans developed hearths for fire, stone points for spears and arrows, and cave paintings by 30,000 years ago. By 10,000 years ago, humans had spread throughout the globe. Genetic studies support the same picture. Humans share more DNA with chimpanzees than with any other animal, suggesting that humans and chimps share a relatively recent common ancestor. Also, the same defective genes appear in both humans and chimps, at the same locations in the genome—an observation difficult to explain except by common ancestry. Genetics also tells us that the human population today descended from more than two people. Evolution happens not to individuals but to populations, and the amount of genetic diversity in the gene pool today suggests that the human population was never smaller than several thousand individuals. Yet all humans, of all races, are descended from this group. Humanity is one family.
Biblical Creation and Storytelling: Cosmogony, Combat and Covenant
The literary conventions employed in Genesis chapter 1 mark it out, not as a scientific document describing material origins, but as a theological polemic against surrounding ancient Near Eastern pagan religions. Creation language here and elsewhere in Scripture is not about establishing scientific origins of material substance and structure but about covenantal establishment and worldview.
Does the Cambrian Explosion pose a challenge to evolution?
The “Cambrian Explosion” refers to the appearance in the fossil record of most major animal body plans about 543 million years ago. The new fossils appear in an interval of 20 million years or less. On evolutionary time scales, 20 million years is a rapid burst that appears to be inconsistent with the gradual pace of evolutionary change. However, rapid changes like this appear at other times in the fossil record, often following times of major extinction. The Cambrian Explosion does present a number of interesting and important research questions. It does not, however, challenge the fundamental correctness of the central thesis of evolution.
What does the fossil record show?
Fossils provide a unique view into the history of life by showing the forms and features of life in the past. Fossils tell us how species have changed across long periods of the Earth’s history. For instance, in 1998, scientists found a fossil showing an animal at the transition from sea creature to land creature. This tetrapod had a hand-like fin, confirming a prediction of evolutionary biology. Though the fossil record does not include every plant and animal that ever lived, it provides substantial evidence for the common descent of life via evolution. The fossil record is a remarkable gift for the study of nature.