SSS 2009-12-24

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

Researchers Find Way to Reduce Methane from Cows

Scientists in Mexico say they may have found a way to cut production of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the

VOA常速英语2008年-US Government Reviews Laser Eye Surgery

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

VOA常速英语2014--New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

VOA常速英语2015--新激光治疗伤口好的更快且没有疤痕

New Laser Heals Wounds Faster, Without Scarring 新激光治疗伤口好的更快且没有疤痕 All surgical patients want their wounds to heal quickly with the least possible scarring. But traditional stitches, clips and more modern chemical glues

美国科学60秒 SSS 2015-01-06

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

Earth and Sky:Aqua Technology 水资源监测科技

Aqua Technology 水资源监测科技 A new weather-monitoring satellite has been 30 years in the making, and some researchers think it's worth the wait. We'll speak with a scientist about the Aqua satellite -- on today's Earth and Sky. DB: This is Earth a

英伦广角 激光可帮助啮齿类动物受损的牙齿再次生长

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

Watch the US Navy’s New Laser Weapon in Action

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

SSS 2009-01-16

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

SSS 2012-03-15

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

2005年NPR美国国家公共电台九月-Laser Work Earns Trio Nobel Prize for Phy

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

VOA标准英语2012--Addressing Climate Change through Diet

Addressing Climate Change through Diet A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. Meat producti

VOA标准英语2010年-Getting Mileage Out of Manure

Dairy farmer, researchers look for ways to power cars with bio-gas from cattle Tom Banse | Bellingham, Washington 23 February 2010 Dairy owner Darryl Vander Haak turns cow manure into 'bio-gas' which burns like natural gas in a small electric power p

VOA常速英语2016--公司研发无人机帮助减少温室气体排放

公司研发无人机帮助减少温室气体排放 More than a million miles of pipelines carry natural gas from hundreds of thousands of wells to millions of consumers in the U.S. Its main component, methane, is also a greenhouse gas, much more pot

企业开发无人机以减少温室气体排放

Company Develops Drone to Help Reduce Greenhouse Emissions 企业开发无人机以减少温室气体排放 All pipelines, including those carrying natural gas, are prone to leaks, causing revenue losses and contributing to global warming. At present

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti