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A new class of high power lasers can effectively accelerate particles like electrons and ions with very intense, short laser pulses. This has attracted the interest of researchers around the globe, working out the details of the acceleration process which occurs when a laser beam impinges on a thin foil to accelerate ions from the foil's rear surface to high energies. The electrons in the foil are heated by the laser pulse, thereby gaining energy

With more than two million cases of skin cancer per year, a panel of health care experts is releasing a new set of sun safety and skin cancer prevention guidelines for young people, ages 10 to 24. Erica Hill and Chris Wragge get the details from Dr. Holly Phillips.

Chocolate may be the most sought-after treat among trick-or-treaters on Halloween, with little hands grasping for all of the milk- and dark-chocolate morsels they can collect, but the details of its taste and aroma profiles have long eluded scientists. [More]

Chocolate may be the most sought-after treat among trick-or-treaters on Halloween, with little hands grasping for all of the milk- and dark-chocolate morsels they can collect, but the details of its taste and aroma profiles have long eluded scientists.

Federal regulators say several new birth control drugs appear to increase the risk of dangerous blood clots more than older medications. Dr.

As a young mathematician in the 1950s, Don Newman taught at the Massachusetts Institute of Technology alongside rising star and Nobel-laureate-to-be John Nash. Newman had been struggling to solve a particular math problem: “I was ...

Packed with personal data, and taken with you everywhere, your smartphone is an ideal target for hackers. And both iOS and Android have vulnerabilities.

When I first got wind of the details of the Guam and Palau research diving program, I thought there had to be a catch. A program that so perfectly combined academics and passion for traveling seemed too good to be true. However, less than 6 months later that skepticism has been washed away and the trip is a reality…and an irreplaceably rewarding one at that.

Each year , I help fellow entrepreneurs and investors judge the MBA business plan competition at Harvard Business School. This year, I noted which pitch approaches seemed to work best and which tactics fell flat. Here are five things that worked in this year's presentations—and that you should consider including in your next business plan pitch: 1

(PhysOrg.com) -- When black holes slam into each other, the surrounding space and time surge and undulate like a heaving sea during a storm. This warping of space and time is so complicated that physicists haven't been able to understand the details of what goes on -- until now.