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A new DNA analysis reveals that long before the Incan Empire took over Peru, animals were being transported across the Andes, a trek that also involved rainforests, highlands and deserts. The analysis was of parrot feathers discovered at Pachacamac, Peru, a religious hub that is far outside the birds’>
Cranial surgery is tricky business today. Patients will need an aseptic environment, specialized surgical instruments and copious amounts of pain medication both during and afterward.
In ancient Peru, trepanation - removing a section of the cranial vault using a hand drill or a scraping tool - was a lot more>
Personalized online ads must work for the same reason advertising must work; it wouldn't be a trillion-dollar industry if it didn't work. Even supplements and organic food are only $140 billion, and those are really popular things that don't work. Advertising is not popular at all but good luck succeeding without>
In 2026, it is easy to feel intellectually knocked around by all of the health claims you read, and all claiming to be supported by science. Weedkillers causing cancer, food coloring causing diabetes, vaccines causing autism, and ultra-processed foods causing everything else are part of a Vast R̶i̶g̶h̶t̶-̶ Left>
The Posthumous Memoir of Ignaz VenetzThis memoir was published by the Swiss Natural Sciences Society, shortly after the death of Ignaz Venetz, to honor his great contribution to science.For background information, please see part 1 of this article -The Posthumous Memoir Of Ignaz Venetz and Ignaz Venetz>
So the other day Julia Galef and I had the pleasure of interviewing mathematical cosmologist Max Tegmark for the Rationally Speaking podcast. The episode will come out in late January, close to the release of Max’s book, presenting his Mathematical Universe Hypothesis (MUH). We had a lively and interesting conversation>
