Tag Archives: technology

Fast Radio Bursts

No, Harvard scientists have not announced the imminent arrival of an alien armada. Two of them have, however, shown that we may have detected power beams pushing light sails. I think they may be right, but like one of them … Continue reading

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TRAPPIST-1: Water? Life??

TRAPPIST-1’s planets may support life: or not. We don’t know. Not yet. We’re pretty sure that all seven are rocky worlds, like the Solar System’s inner planets. Three are in the star’s habitable zone. The inner two definitely do not … Continue reading

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Face Transplant at Mayo

Andy Sandness wasn’t born looking like that. He’s lived with the consequences of a “wrong choice” for more than a decade. Agreeing to get Mayo Clinic’s first face transplant won’t undo his decision. But now he has a second chance … Continue reading

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Pollution: Still Learning

Scientists found PCBs and PBDEs in deep-sea critters, armyworms are on the march in Africa, and Mexico City’s air isn’t as clean as we’d hoped. Rational concern seems reasonable. PCB in the Deep Blue Sea We’re Still Learning Armyworms March … Continue reading

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Footprints in Ancient Ash

Scientists are pretty sure that Saccorhytus coronarius is an ancestor of lancets, sea squirts, fish, amphibians, reptiles, dinosaurs, and mammals: including us. Much more recently, about 3,660,000 years back, five Australopithecus afarensis strolled across volcanic ash. One of them was … Continue reading

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