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60-Second Science

Scientific American

Science & Medicine, Natural Sciences, Technology

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Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast

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Knot Not Easy to Knot

January 19th, 2017

Chemists have synthesized the most complex molecular knot ever, using a strand just 192 atoms long. The advance could lead to new tougher materials. Christopher Intagliata reports.

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Using algorithms developed for human speech recognition, researchers decoded which bats in an experimental colony were arguing with each other, and what they were arguing about. Christopher Intagliata reports.

Some predators are attracted to the food in bird feeders, and end up targeting nestlings, too. Jason G. Goldman reports.

Competition between older female orcas and their adult daughters when they can breed simultaneously may cause the matriarch to enter menopause.