Our Senses Did Not Evolve
June 22, 2020
...cochlear outer hair cells (PNAS). This Darwin-free research paper describes wonders in the inner ear, and how failure of particular links between hair cells can lead to deafness. The fine-tuning...
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Research on Embryonic Stem Cells Takes Dangerous Turns
June 12, 2020
...respect. Embryonic Stem Cells: Pushing the Ethical Envelope It’s been awhile since we reported on embryonic stem cells (ESC). Unlike adult stem cells (ASC) and induced pluripotent stem cells (iPSC),...
Epigenetics Complicates Evolutionary Theory
May 26, 2020
...Epigenetics). The same stem cells in bone marrow differentiate into red blood cells (RBCs, also called erythrocytes), white blood cells, and platelets. How does that happen? Before looking into the...
Botanical Marvels: How Plants Catch Light and Take Flight
April 8, 2020
...on Earth.” How Plants Stay Young At the tip of a plant stem, and along points where branches develop, there are clusters of stem cells. When these stem cells divide,...
How Tissues Could Last Forever
February 24, 2020
...very excited. His ‘induced pluripotent stem cells’ (iPSC) opened the prospect for tissue regeneration without the ethical drawbacks of embryonic stem cells. In essence, Yamanaka took differentiated cells and “de-differentiated”...
Solutions Come from Freedom and Ingenuity, Not Government
February 22, 2020
...living cells use metallic cofactors, a team employed magnesium into its electrocatalyst. “This study indicates that the rational materials design can help to fabricate highly active electrocatalysts based on main...
Good Science Bears Good Fruit
January 29, 2020
...cells are inspired by nature (Phys.org). Scientists at the Norwegian Institute of Technology studied molecules in photosynthesizing plants, and created “organic” solar cells based on what they found. “The researchers...
Design Language Works in Biology
December 6, 2019
...release from North Carolina State University about the stem cells in roots. Mick Kulikowski titled his article, “‘Conductor’ Gene Found in Plant Root Stem Cell ‘Orchestra’.” The question before researchers...
Resiliency of Body Amazes Health Workers
August 1, 2019
...Rob and some others. Another California Boondoggle Coming? Speaking of stem cells, Nature also reports that another stem-cell initiative is coming to California. Residents of the Golden State, who regularly...
Ethical Stem Cells Becoming Easier to Make and Use
June 29, 2019
...Regenerative medicine is on the march, thanks to recent advances in stem cells. These are not the stem cells derived from human embryos, with all the ethical problems they entail....
Extreme Fine Tuning in Body Cells, Part 2
May 11, 2019
Here are two examples of an ultra-fine balance between function and disease inside the cells of our body’s sensory cells (Part 2). Microtubules A finely-tuned balance exists in our cells...
Extreme Fine Tuning in Body Cells, Part I
May 10, 2019
Here are two examples of an ultra-fine balance between function and disease inside the cells of our body’s sensory cells (Part 1 of 2). Hearing We learn in school how...
Words of Wisdom from Wildflowers
April 12, 2019
...conditions prevail. c. Macroscopic structures are intricate: anthers, pollen, pistils, ovules, corollae, circulatory system, colors, shapes to match insect pollinators. d. Microscopic processes are mind-boggling: DNA code, mitosis, meiosis, defense,...
More Wonders to Be Thankful For
February 21, 2019
...basis of how cells position themselves in the multicellular aggregate according to cell type. Once seen as nerve cells’ foot soldier, the axon emerges as decision-maker (Science Daily). Even cells...
Wonders of the Equipment in Your Head
December 1, 2018
...cells, in the motor cortex began to send out signals to cancel out the firing of neurons in the auditory cortex that make us aware of the sound. This process...