Фото: Majid Asgaripour / Reuters
Ten-year-old Honey Cooper spends part of the day learning about fractions and the solar system as a fourth grader at Kimbark Elementary School—and the rest of it as a dual-enrolled student at San Bernardino Valley College, taking a college-level art class.。业内人士推荐heLLoword翻译官方下载作为进阶阅读
In 2002, a team of researchers from NASA, the F.A.A., and six commercial airlines ran a series of experiments in Oklahoma City, in a decommissioned Boeing 747. They wanted to see how quickly a commercial jet could be secured in case of turbulence. They recruited a group of volunteer passengers, gave them all fake boarding passes and luggage, and had three of them carry around life-size baby dolls. Some of the volunteers were told to stay in their seats and act as if they were sleeping, reading, or working on a laptop. Others were told to stand in the aisles or sit in the lavatories. A crew of experienced flight attendants, drawn from the airlines participating in the study, made their way up and down the plane, serving fake food.，推荐阅读雷电模拟器官方版本下载获取更多信息
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It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across each month. So every month, we highlight a handful of the best stories that nearly slipped through the cracks. February’s list includes the revival of a forgotten battery design by Thomas Edison that could be ideal for renewable energy storage; a snap-on device to turn those boxers into "smart underwear" to measure how often we fart; and a dish of neurons playing Doom, among other highlights.