Ketamine is a useful sedative and antidepressant at light doses. At stronger doses, it is a powerful anesthetic, but at repeated high doses, it deadens sensation, leaving users conscious but unable to act.
Ketamine is a short-acting anesthetic that can have hallucinogenic effects. It is becoming more easily available, and some experts fear misuse is increasing.
Dorm Room Fund, a program that lets college students invest in their peers, raised a new $50 million fund as the competition for young founders ramps up.
Federal officials are drafting an executive order that would place grants under review by an outside panel, the latest effort to redirect billions of dollars in research spending.
Russell Vought, the director of the Office of Management and Budget, speaks during a White House event earlier this year. Mr. Vought’s efforts to impose more outside control over N.I.H. grant approvals have resulted in tension with the N.I.H. director, Dr. Jay Bhattacharya.
Thousands of Kenyans made a living writing essays for overseas students. With A.I., the work has dried up, a warning for online gig work that has been a global lifeline.
Teresios Bundi, who ran an essay-writing business catering to overseas students, said his experience with artificial intelligence was a warning for online gig workers.
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