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sodium

grass
Photo credit: Ochir-Erdene Oyunmedeg via Unsplash.

Doctor’s Diary: No Such Thing as a Coincidence

I find coincidences everywhere I look, all the time. Consider a simple blade of grass. One could write a long treatise about the simultaneous goings-on therein. Read More ›
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 ›
Zygote
Photo credit: Nina Sesina, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

Let’s Think About a Zygote Like an Engineer

Actually, life is a series of millions of hard problems that have to be solved all the time, or else. Read More ›
drinking water
Photo credit: engin akyurt via Unsplash

Liquid Harmony: How Our Bodies Manage Salt and Water

Left to their own devices, the laws of nature tend toward degradation and death, not life. Read More ›
salt
Photo: A grain of table salt, by Chhe, Public domain, via Wikimedia Commons.

How We Balance Water and Sodium to Maintain Life

On their own, the laws of nature don’t tend toward life. To stay alive, living things utilize ingenious solutions. Read More ›
Pacific salmon
Photo credit: Milton Love, Marine Science Institute, University of California, Santa Barbara, CA 93106, Public domain, via Wikimedia Commons.

Appreciating the Irreducibly Complex Design of Salmon Osmoregulation

Three main things must occur for the young salmon, called a smolt, to prepare for life in the salty ocean. Read More ›
maize

Nearly All of Evolution Is Best Explained by Engineering

Transposable elements modify gene regulation in maize to confer drought tolerance, alter flowering time, and enable plants to grow in toxic aluminum soils. Read More ›
red blood cells
red blood cells
Image credit: Red blood cells, Gerd Altmann via Pixabay.

Blood Pressure — And Genuflecting to Evolution

Systems biologists assume for the sake of research that a biological system under investigation is optimally engineered. Read More ›
Greenland Ice Sheet
Photo: Greenland Ice Sheet.

Glaciers Enhance the Biosphere — By Design

Glacial meltwater performs unexpected and surprising roles that benefit life on earth. Read More ›
traffic cop

Security Gates in the Cell

A key characteristic of life is active transport: control over what enters and exits the cell. Closer looks reveal exquisite “selectivity filters” with moving parts that make active transport work. Read More ›

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