Nuclear bomb detectors have given away the possible existence of a new pygmy blue whale population. While examining acoustic data from underwater microphones aimed at detecting nuclear bomb tests, researchers noticed an unusual signal ー pygmy blue whale songs distinct from those of known populations in the Indian Ocean. While they can’t confirm its existence without visual sightings, conservationists rejoice at the possibility, as the whales were almost hunted to extinction in the Southern Hemisphere during the 20th century.
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Kai Cheng’s professor had a brilliant scheme. In his first lecture, he promised that each lecture would feature a “Lie of the Day”. But why? It made his students more attentive and analytical, poring over every detail of his lecture and making sense of why things were true. It was such a powerful teaching method that his students digested his most technical lectures quite easily because they tried so hard to catch his lie. The kicker? There was no lie in that first lecture; he had lied about that too! Read full article here