Category: Knowledge
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Knowing things…
By focusing on nervous system circuits of nociception, the body's sensing of tissue damage, anesthesiologists can achieve unconsciousness in patients using less drug and manage post-operative pain better, leading to less need for opioids. (1) We don’t know what consciousness is. Yet, we know when we do not have it. We can’t say what a…
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Zombie cells… Castles in the sand…
Zombie cells are the ones that can't die but are equally unable to perform the functions of a normal cell. These zombie, or senescent, cells are implicated in a number of age-related diseases. Researchers have now expanded that list. (1) Zombie cells. Not like the other cells. Because the other cells sustain life. But we…
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Essential for life…
How did life arise on Earth? Researchers have found among the first and perhaps only hard evidence that simple protein catalysts - essential for cells, the building blocks of life, to function - may have existed when life began. (1) We seek what was the essential ingredients for life. But what is essential? Could life…
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Death.
Around 252 million years ago, the Earth changed drastically and catastrophically. Massive, ongoing volcanic activity in Siberia wrapped the planet in a thick shroud of ash for almost a million years, killing off most of the life that was around at the time. (1) Raw death. No explanation. No rationality. Just death. And then life.…
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