Another amazing week on Planet Earth, with news stories ranging from quantum computers are revealing an unexpected new theory of reality to James Benford’s search for extraterrestrial artifacts to the 2.5 billion Tyrannosaurus rex that lived during the species 2.4 million years of existence on Earth.
Quantum computers are revealing an unexpected new theory of reality–A powerful new idea about how the laws of physics work could bring breakthroughs on everything from quantum gravity to consciousness, says researcher Chiara Marletto for New Scientist.
How Many Alien Probes Could Have Visited Earth? Asks James Benford for Centauri Dreams–“Benford is continuing his research into the still nascent field known as SETA, the Search for Extraterrestrial Artifacts. A plasma physicist and CEO of Microwave Sciences, Benford became intrigued with recent discoveries about Earth co-orbital objects there is even a known Earth Trojan and their possibilities in a SETI context. If we
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Here’s how you should think about your immunity to SARS-CoV-2 after you receive your first shot of a two-dose vaccine, according to a 1/14/21 BBC Futures story: “Pretend it didn’t happen.” In other words, assume you have acquired no immunity to SARS-CoV-2 after that first dose. “…Most vaccines require booster doses to work,” writes Zaria Gorvett. Your immune system’s first response to a vaccine typically activates B cells, which make antibodies, as well as T cells of various types, including memory T cells that stick around. The problems are that B cells are short-lived, and the body makes few memory T cells until “the second meeting” with a virus or other pathogen, the story states. The 2nd dose or booster is a re-exposure that increases the number of memory T cells, the number and quality of memory B cells, and the quality of antibodies to a pathogen, according to an Imperial College London i
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