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Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

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We developed a thin, flexible microelectrode array that can be slid through a small slit in the skull onto the brain surface. We showed that this minimally invasive system records and stimulates ...

Build your portfolio and react to the markets in real time. Compete against your friends or coworkers to earn your spot at the top of the leaderboards. If you are a teacher, professor or instructor of ...