\nThere have long been hints that innate immunity can last longer in certain circumstances. The most-studied example is the Bacillus Calmette-Guerin tuberculosis vaccine, which is given to some 100 million newborns every year. Epidemiological and clinical studies have shown that it can decrease infant mortality from other infections, suggesting that the cross-protection could last months. But the phenomenon was inconsistent and the mechanism mysterious.
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。新收录的资料是该领域的重要参考
A new company called Musical Beings has officially unveiled the Tembo, which might be the cutest drum machine ever made. Just look at this thing! It's got a wooden chassis that resembles a standard drum machine, but with one key difference. The sequencer is tactile. Users arrange beats by placing magnetic pucks that trigger samples.
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