Plus, are robots overworked? One tired bot faceplanted on the factory floor. Strangely, parrots love to gossip online. Find the best seat for your flight, upgrade your email management and new tricks to transform how you use Google Docs.

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In the early days of microwave ovens, people worried that emitted radiation could be dangerous to their health. In what you might think is an odd twist, doctors now use microwave technology to treat cancer. It helps to alleviate pain and, in some cases, even cure some forms of cancer. You have to see it to believe it.

Modern rockets use liquid fuel to propel them with enough thrust to reach space. But, 70 years ago, NASA was trying to achieve the same results using nuclear power. So, what happened and why did it end up not working?

In the late 18th century, electricity was evolving from an exciting parlor trick to real science. Scientists used glass bottles, wool cloth and metal balls to create and control electricity. But what if you tried recreating one of these objects using the tools from that era? Would it work?

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