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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.

 

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...

 

Series: Biblical and Scientific Shortcomings of Flood Geology (6 entries)

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.

 

Series: Understanding Evolution: Theory, Prediction and Converging Lines of Evidence (4 entries)

One of the challenges for discussing evolution within evangelical Christian circles is that there is widespread confusion about how evolution actually works. In this installment we explore how evolution is a theory in the scientific sense, how it is supported by converging lines of evidence, and how it can make accurate predictions about the natural world, using whale evolution as an example.

 

Speciation and Macroevolution

A common challenge to evolutionary theory is that while life does indeed change over time (what is known as microevolution), no one has ever seen one species evolve into another species (macroevolution).

 

Series: Evidences for Evolution (7 entries)

This technical series, co-written by Darrel Falk and David Kerk, looks into the evidence for evolution in order to dispel doubts that people may have about this well-supported theory. They look at three things specifically: the separate methods which reveal of the age of the earth, the unfolding history of whale evolution, and finally the common trends of heart development in vertebrates.

 

Series: New Limbs from Old Fins (7 entries)

Stephen Matheson presents common descent by evolution as the best explanation for the universal pattern found in tetrapod limbs. He discusses initially the evolution and development of limbs in specifically vertebrate tetrapods. He looks at the question of origins and further digs into amazing fossil discoveries. He then gives evidence of evolution from fish to tetrapods by discussing the similarities in the anatomy, development, and genetic systems associated with this amazingly common pattern in vertebrate appendages.

 

Series: The Cambrian "Explosion", Transitional Forms, and the Tree of Life (8 entries)

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.

 

Evolution: What We Know and What We Don't

In this video conversation, Jeff Schloss makes the observation that when we use the term “evolution”, it is not always exactly clear what we are actually discussing unless we denote the intended usage.

 

Series: The Flood: Not Global, Barely Local, Mostly Theological (4 entries)

The three part series, written by Paul Seely, explores the scientific validity of the Flood in Genesis. He offers the approximate date of the flood according to Scripture, and then looks at various lines of evidence that contradict the idea of a global flood at that time. In light of other Mesopotamian flood stories, scholars conclude that the flood was local at best. In the end, he suggests that this story primarily reveals theological truths from a limited scientific understanding of natural events.

 

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.

 

Series: Misconceptions About Evolution (2 entries)

This two-part series highlights some of the most common misconceptions about evolution and some helpful responses to them.

 

Songs and Speciation

How many times have you heard someone ask the question: "Have scientists ever actually observed the formation of a new species?" In this PNAS article, Peter and Rosemary Grant actually demonstrate the key events in the formation of a new species as it occurred before their very eyes.

 

Understanding Earth

When we read Genesis 1.1: "in the beginning God created the heavens and earth" we picture the origin of the atmosphere, space, solar systems, and galaxies. But in Genesis 1 "earth" does not mean the planet Earth.

 

Breathing at 30,000 Feet

Migration can often be a long and difficult journey for animals. For the bar-headed goose, migration often entails flights over the highest mountains in the world: the Himalayas.

 

Series: Intelligent Design and Common Ancestry (2 entries)

Would those genuinely interested in learning about evolution benefit from a careful explanation of why these common objections don’t hold water? Here the answer seemed to me to be “yes.”

 

Origins News Roundup for March 14, 2014

This week in Origins news, a few different takes on the new COSMOS series on Fox, some intriguing discoveries and theories about dinosaurs, and a smattering of articles supporting women in science—who are often an underrepresented group in STEM fields.

 

Series: Evolution Basics (40 entries)

Written by BioLogos Fellow of Biology Dennis Venema, this series of posts is intended as a basic introduction to the science of evolution for non-specialists.

 

Evolution, Chance, and God

The affirmation of genuine chance and randomness in the universe does not rob the universe of meaning and purpose.

 

Origins News Round-up for January 17, 2014

Today’s Origins News Roundup features challenging and exciting new ideas about evolutionary theory, fossil finds that add to our understanding of how carnivores and humans developed, some interesting science history from England, and more on American views of evolution.

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67 resources found (displaying 1-20)
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