Jet injectors have been delivering drugs and vaccines without needles since the Star Trek era, but never caught on widely in real-world medicine. A device developed at MIT promises to change that, with computer-controlled precision and an injection as inconspicuous as a mosquito's jab.
Politicians routinely use Twitter, but harder to find are those whose tweets actually, really, identifiably come from them. The ones who tweet interesting facts, interact with constituents, and even — gasp — crack jokes on occasion. Let me recommend a few who walk the walk and tweet the tweet.
This spring, the city's Department of Education issued its first guidelines about how teachers should navigate social media. The rules make it explicit: Teachers cannot friend or follow their students on Facebook or Twitter, but they can have professional accounts and pages for students to follow.
Hewlett-Packard has announced plans to eliminate 8 percent of its workforce, as it begins a restructuring designed to reverse a sharp decline in profit. Rapidly changing consumer preferences have hurt HP's results and the company is still developing the strategy it hopes will lead to a turnaround. Audie Cornish talks with Steve Henn.
Parents should be paying very close attention to the digital media their children are using, says child advocate James Steyer. "Young people in particular often self-reveal before they self-reflect," he says. "There is no eraser button today for youthful indiscretion."
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