Category: Health security in a nutshell
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Paradox of evolution. What can capture and unleash us from Earth?
Photo: Molecules, wastedgeneration, Pixabay A tiny insertion of a highly charged, binding potential helix into the space of RNA after the prokaryote code was lost or removed could change the direction of life’s evolution. RNA is a single-strand of ribonucleic acid, which is more primordial to DNA built with two strands and slightly different bases.…
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Losing and awakening heartbeat. What is sleep in real?
By Marta Koblańska, February 21, 2025 Photo: This model suggests that the physiological processes influenced by fluctuations in norepinephrine (NA) during NREM sleep—particularly those related to memory consolidation and glymphatic clearance—function best when these fluctuations occur approximately every 50 seconds. Authors: Anita Lüthi, Maiken Nedergaard. Sleeping is a kind of disengagement from the environment to…
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Is it Earth’s destiny to sustain life? At least the one we know
By Marta Koblańska, February 16, 10:30, Photo: PIRO, Pixabay When a new life is arising, an old one is passing away. Ancient belief for life cycles may be true, as chemistry set up founds for environmental processes crucial for emerging lives on Earth. One of the greatest ever philosophers Baruch/Benedictus Spinoza claimed that Earth in…
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Does lack of oxygen in body cells trigger cancer?
Photo: Comparison of the performance of the 70 published hypoxia signatures using the IQM in 104 cancer cell lines, University of Oxford, Matteo Di Giovannantonio, Fiona Hartley Too high demand for oxygen in the body may signal cancer. A decrease of oxygen in tissues’ micro-environment shifts metabolic pathways. Oxygen is a substance without which there would have…
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Human traits. Are they arriving on time?
By Marta Koblańska, January 29, 16:55, Photo: public domain Pixabay Is it possible to catch differences in human genome visible and invisible expression? Modern technologies enable so. And what’s more they can trace our past to millions of years back. Natural selection which is an ongoing process of passing traits from one generation to the…