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mitosis

Mitosis-AscarisEggcs400x2
Photo credit: John Alan Elson, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

Astounding: The Role of Motor Proteins in Cell Division

A crucial aspect of mitosis is the movement of chromosomes — initially the alignment of as paired sister chromatids during prometaphase and metaphase. Read More ›
sperm cells
Photo credit: videomediaart, via Pixabay.

Sex Is a Spicy Problem for Evolutionary Theory

Could sex be the product of a gradual evolutionary process, one dictated by “numerous, successive, slight, modifications,” as Darwin himself put it? Read More ›
zebra
Photo credit: Taylor Sondgeroth via Unsplash.

In Life, Checkpoints and Error Correction Defy Darwinian Explanations

Living cells employ forward-thinking and backward-thinking strategies. Both strategies require planning outside the immediate situation. Read More ›
Behe-SecretsOfTheCell-bacteriaModel
Photo source: Secrets of the Cell, via Discovery Institute.

Model Cell Visualized as a Compact Factory

Capturing the interior parts of a cell in their complex relationships took a lot of work, but some researchers have set a new high bar for biophysical imaging. Read More ›
Tiktaalik
Photo: Display of Tiktaalik, Wyoming Dinosaur Center in Thermopolis, by Evolution News.

More Fishy Tales Afoot from Neil Shubin

Tiktaalik discoverer Neil Shubin from the University of Chicago searches for genetic clues between fish fins and tetrapod toes. Read More ›
Oxytricha trifallax
Ciliated Protozoa
Photo: Oxytricha trifallax, [Public domain], via Wikimedia Commons.

The Wonders of Genomic Acrobatics: Ciliated Protozoa as a Case Study

Explaining this sort of phenomenon by slight, successive modification, as Darwin envisaged, seems problematic. Read More ›
mitosis
Scott Turner
Image: Cell mitosis in an onion root, by staticd (Own work) [CC BY-SA 3.0], via Wikimedia Commons.

Biologist Scott Turner’s Purpose and Desire, In His Own Words

If Turner is right, the clockwork, mechanistic, DNA-centric model may have met its match. Read More ›

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