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Genetically, Central American mammoths were weird

The species’s boundaries in North America seem to have been fairly fluid. We tend to lump all mammoths together as big, hairy elephant-like beasts with enormous tusks. But there were a number of mammoth species, including less furry ones that inhabited temperate regions. And the furry ones include at…

The personhood trap: How AI fakes human personality

AI assistants don’t have fixed personalities—just patterns of output guided by humans.  Recently, a woman slowed down a line at the post office, waving her phone at the clerk. ChatGPT told her there’s a “price match promise” on the USPS website. No such promise exists. But she trusted what…