High-energy shape memory polymer could someday help robots flex their muscles

When stretched or deformed, shape memory polymers return to their original shapes after heat or light is applied. These materials show great promise for soft robotics, smart biomedical devices and deployable space structures, but until now they haven’t been able to store enough energy. Now, researchers reporting in ACS Central Science have developed a shape memory polymer that stores almost six times more energy than previous versions.

Automated hiring software is mistakenly rejecting millions of viable job candidates

Automated resume-scanning software is contributing to a “broken” hiring system in the US, says a new report from Harvard Business School. Such software is used by employers to filter job applicants, but is mistakenly rejecting millions of viable candidates, say the study’s authors. It’s contributing to the problem of “hidden workers” — individuals who are able and willing to work, but remain locked out of jobs by structural problems in the labor market.

Five Therapeutic Properties of Cannabis

Cannabis has one of the most prolific histories of any plant in the herbal pharmacopeia. With uses ranging from spiritual to medicinal, the reason that humans have bonded so deeply with this plant lies in our shared biology. The cannabis plant produces phytochemicals called cannabinoids that bind with receptor sites throughout the body, demonstrating evolutionary synthesis of the highest order.

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