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Where are the Transitional Fossils?
A common argument leveled against the theory of evolution is that scientists have not been able to produce transitional fossils that show the change of one species into another. In this podcast, we address a common misconception about what transitional fossils actually are.
Series: The Cambrian "Explosion", Transitional Forms, and the Tree of Life
Many evolutionary critics have identified the Cambrian Explosion as a stumbling block to the theory of evolution, arguing that the “expected transitions between major invertebrate phyla are absent, and that the suddenness of their appearance in the fossil record demonstrates that evolutionary explanations are not viable.” Keith Miller argues that the Cambrian Explosion is not so problematic as these opponents claim after all.
In The Bones
I am a fan of the blog "Jesus Creed." Recently it published an interesting post about the transition from fins to limbs as evidenced by fossils of an organism trapped in sediment 375 million years ago.
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.
The Fossil Record
There are two opposite errors which need to be countered about the fossil record: 1) that it is so incomplete as to be of no value in interpreting patterns and trends in the history of life, and 2) that it is so good that we should expect a relatively complete record of the details of evolutionary transitions within all or most lineages.
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.
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Series: Ephesians 4:1-6: A Call of Christian Unity
This series discusses the importance of unity among Christ’s believers. Ross Hastings, an expert in the areas of both chemistry and pastoral theology, is eager to see the church seek out unity rather than divisions in this science/faith interface. Unpacking Ephesians 4:1-6, he explains that unity in Christ through the Holy Spirit is the primary concern of both Jesus as seen in John 17 and Paul in Ephesians 4, making this matter pressing. He urges all believers to be in agreement that God indeed created, yet to be in dialogue over how that creative process occurred.
A Plea to My Shepherds
... I would exhort these, my fellow conservative evangelical shepherds and thinkers, to set aside all reticence and fear, emerge from anonymity, and storm the forum of discourse, engaging this most pressing matter with vigor, equanimity, and humility. In doing so, know upfront that there will be few handrails to guide; you will not be building upon an extensive precedence of published conservative thought.
Evangelicalism and Adaptation
I look my students dead straight in the eye and tell them that no matter what, debate within the intellectual sphere cannot and should not take away or diminish the importance of the personal nature of their faith. The intellect, to use a scientific phrase, while necessary for the faith, is not sufficient
Evolution and Christian Faith Grantees Announced
Congratulations to the 37 winners of the Evolution & Christian Faith (ECF) grants competition! ECF is a new BioLogos program designed to support projects and network-building among scholars, church leaders, and parachurch organizations.
Raising Children to Pursue Truth
In this video Conversation, Joel Hunter articulates the importance of raising a child that can garner knowledge from a variety of sources and to be able to study science with integrity—that is, to be able to pursue the truth to where it leads.
Series: The Human Fossil Record
In this series, James Kidder provides an intriguing study on transitional fossils and the evolutionary history of modern humans. He begins by discussing the fossil record, explaining how new forms are classified. He then explains the physically distinguishing trait of humankind—bipedalism. From the discovery of Ardipithecus, the earliest known hominin, to the australopithecines, the most prolific hominin, Kidder focuses on the discovery, the anatomy, and the interpretation of these ancestral remains.
Oxygen and Co-Creation
In the mid-seventeenth century, John Mayow conducted a series of experiments in which he showed that burning candles in bell jars consumed one-fifth of the enclosed air before extinguishing. Remarkably, mice placed in bell jars did exactly the same thing...
Science, Christianity, and Homeschooling
Resilient learners and a robust faith can handle challenges. But the faith of the students my professor described was different— strong, but brittle; it did not have the resilience that comes through testing.
Series: Biblical and Scientific Shortcomings of Flood Geology
Gregg Davidson and Ken Wolgemuth seek to remove the stumbling block of the Genesis flood in this four part series. Though many believe in an ancient world-wide flood, the evidence given does not hold up to geological scrutiny, but points rather to something regional instead. It is their hope that Christians will not walk away from faith in Christ simply because a global flood is not supported by science. Looking at natural phenomena like the Grand Canyon, salt beds, and fossil deposits, they reveal reasons for these deposits and structures while showing that their origin did not stem from a violent flood that covered the planet.
Science and Faith on a Secular Campus
While many Christian colleges actively seek to help their students engage issues of faith and science constructively, few secular colleges are active in promoting the conversation. As a professor at a secular school, how can I encourage my students to authentic engagement and dialogue on science and faith issues?
Mending the Disconnect
How can it be that two things we love and treasure—two things that are absolutely central to ourselves and the lives we’ve built—seem so often to be at odds with each other?
The State of Evolution (Infographic)
The BioLogos Forum is pleased to present this infographic about evolution and public education in the United States. The graphic, titled “The State of Evolution”, draws upon sources from USA Today, the National Center for Science Education, and Pew Forum, and shows two challenges to a widespread understanding of the science of evolution in the United States.
Allaying Parental Fears About Evolution Education in Public Schools
If they left their children in the public classroom, should they as concerned parents, as committed Christians, as agents of truth and light in this dark world, remain quiet or should they speak out?
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