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molecular machines

Sodium-potassium_pump_and_diffusion
Image credit: Blausen.com staff (2014). "Medical gallery of Blausen Medical 2014". WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.010. ISSN 2002-4436. Derivative by Mikael Häggström, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons.

Water Is a Problem, and Your Body Has an Ingenious Solution

The sodium-potassium pump is an innovation that allows your cells to combat the forces of nature and in doing so, prevents disaster. Read More ›
Robert_Brown
Photo: Robert Brown, 1855, via Wikimedia Commons.

Embrace the Chaos: How Cells Harness Disorder for Function

In three classes of examples, cells are shown to manipulate chaotic forces toward functional purposes. Read More ›
Synapse_(3910692512)
Photo: "Synapse," at Burning Man, by William Neuheisel from DC, US, CC BY 2.0 <https://creativecommons.org/licenses/by/2.0>, via Wikimedia Commons.

Wrap Your Mind Around the Synapse — Just Try

The method neurons use to transfer signals seems like a kludge. But it works astonishingly fast and efficiently. Read More ›
junk shop
Photo credit: Gzzz, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

The Junk Shop of Andreas Wagner

The fundamental dilemma is this: whenever you co-opt any part from an old system and put it in a new system, there are two possibilities. Read More ›
Vatican
Photo: Vatican, by Luc Mercelis, via Flickr (cropped).

Ann Gauger on EWTN, and Intelligent Design’s Universality

I find this openness and lack of dogmatism uplifting, and an indicator that ID is trying to follow the evidence. Read More ›
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 ›
Behe and Mousetrap
Image source: Discovery Institute.

Michael Behe: A Mousetrap for Darwin

The Lehigh University biochemist answers misconceptions about irreducible complexity, and responds to the claim that “molecular machines” is a misnomer. Read More ›
Helicase
Image: Helicase enzyme, by Phoebus87 at English Wikipedia, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons.

The DNA Replisome: A Paradigm of Design

One can hardly appeal to natural selection to account for the origins of DNA replication without assuming the existence of the thing one seeks to explain. Read More ›
ynews-molecular-machine
Image source: Yale University (press release).

Newly Discovered War Machines in the Immune System

A newly discovered defense against pathogens involves armor and bullets that render an attacker immobile and self-destructing. Read More ›
cell
Image credit: Illustra Media.

Getting It Together: Tethers, Handshakes, and Multitaskers in the Cell

Running a cell requires coordination. How do molecules moving in the dark interior of a cell know how and when to connect? Protein tethers offer new clues. Read More ›

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