EHElizabeth Howell

1. Article · Sep 11, 2026 · Elizabeth Howell

   Gravity Molded Human Consciousness—But a Future in Space Could Make It Evolve, Scientists Say (opens the original)

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   Here’s what you’ll learn when you read this story: In 2016, NASA astronaut Scott Kelly returned to Earth after 340 continuous days aboard the International Space Station (ISS). He readapted to our gravity in months, but in the meantime, researchers observed some temporary alterations in his body. Compared with his earthbound twin, some of Kelly’s telomeres, which act as protection devices for chromosomes and are markers for aging, had lengthened while he was in space; they shortened again back o

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2. Article · Jul 31, 2026 · Elizabeth Howell

   You Could Send Messages to Your Past Self With This Mind-Melting Technology, Scientists Say (opens the original)

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   Albert Einstein introduced a thought experiment in 1907 that, in true Einstein fashion, is still making waves more than a century later. In it, he proposed a technology, called the tachyonic anti-telephone, that could send faster-than-light messages into the past. If this tech actually worked, it would create some wild paradoxes, even making it possible to reshape your past actions. But there’s a hitch: We are still looking for tachyons—the hypothetical, faster-than-light particles that would un

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