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45-hour voyage in replica canoe tests Paleolithic migration theory

Earlier this week, we reported on a Swedish archaeologist who spent the last three years sailing the fjords in a replica boat similar to those the Vikings may have used. Not to be outdone, Japanese researchers have followed suit, building their own seaworthy dugout canoe with Paleolithic-era tools to cross between Taiwan and Yonaguni Island, where one of the world’s strongest ocean currents, the Kuroshio, remains active. They presented their findings in two new papers published in the journal S

NASA's Voyager Found a 30k-50k Kelvin "Wall" at the Edge of Solar System

In 1977, NASA launched the Voyager probes to study the Solar System's edge, and the interstellar medium between the stars. One by one, they both hit the "wall of fire" at the boundaries of our home system, measuring temperatures of 30,000-50,000 kelvin (54,000-90,000 degrees Fahrenheit) on their passage through it. There are a few ways you could define the edge of the Solar System – for instance, where the planets end, or at the Oort cloud, the boundary of the Sun's gravitational influence wher

Star Trek: Voyager‘s First Brush With Getting Home Is One of Its Best

Star Trek: Voyager‘s premise was both its greatest boon and its biggest curse. Flinging the titular Starfleet vessel tens of thousands of lightyears away from Federation space into unchartered territory wasn’t just a fantastic evolution of the franchise’s original intent to boldly go where no man had gone before, but a vector for fascinating story ideas about resource management, ethics, first contact, and a million other Star Trek ideas that could be re-imagined in a context where the world est