A mid-song sound that Dr Koren and Dr Geffen dubbed “chucks” communicates size (body length and head diameter) and also level of stress (as measured by cortisone levels).
"By calling the dispatcher to let us know that she was driving while intoxicated with her kids in the vehicle, that's an apparent cry for help," said Koren.
“她给调度员打电话，通知我们她喝醉了的孩子还在车上，这很显然是请求援助，”科伦说。
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However, the most successful designs infuse these considerations at every stage, from idea to finished product. As Koren has written.