US Space Agency Returns to Mars with InSight Lander

The American space agencys lander InSight is to arrive on Mars Monday. The event will mark the space agencys return to the planet. Unlike NASAs Curiosity rover, which arrived in 2012, InSight will not move across the planets surface. Instead it will

VOA慢速英语 2008 1231a

This is the VOA Special English Health Report. We talked last week about ways to avoid hypothermia and other cold-weather injuries. Today we are going to talk about emergency treatment. Hypothermia can be mild, moderate or severe. Mild hypothermia i

VOA慢速英语 2008 1230b

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. Today, we tell you everything you ever wanted to know about snow. (MUSIC) VOICE ONE: Winter weather has returned to northern areas of

Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations

Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations The waning years advances in computer hardware and software, mechanical devices, sensors and artificial intelligence brought the world another step closer to the robotic future. Electric cars

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By Gary Garriott Broadcast: September 15, 2003 This is Robert Covent with the VOA Special English Development Report. 1)Clay is found almost everywhere in the world. It is formed by the action of wind

VOA慢速英语 2007 1219a

This is the VOA Special English Health Report. We talked last week about ways to avoid hypothermia and other cold-weather injuries. Today we are going to talk about emergency treatment. Hypothermia can be mild, moderate or severe. Mild hypothermia i

VOA慢速英语 2007 0529a

This is the VOA Special English Agriculture Report. The United States has urged China to accept new safety rules for its food and drug exports. American officials said the rules would include a new list of Chinese exporters. Agriculture Secretary Mi

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One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

Snap Beans

By Mario Ritter Broadcast: October 21, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Snap beans possess the good qualities of other beans, but they may be less well known.

VOA标准英语2011--Undersea Cable Could Revolutionize Ocean

UnderseaCableCouldRevolutionizeOceanography This past April, there was a big volcanic eruption in Americas Pacific Northwest. If you missed it, you're not alone. It happened under the ocean off the northern Oregon coast. Since then, several research

VOA慢速英语 2007 0213a

This is the VOA Special English Agriculture Report. Goats are raised not just for their milk and meat, and their ability to control weeds and help renew grasslands. They can also be valuable for their hair. Cashmere comes from cashmere goats and ango

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This is the VOA Special English Agriculture Report. Beans are a popular choice for home gardens. The University of Illinois Extension service says bush bean plants need the least amount of work. They stand without support. Green bush beans used to be

VOA慢速英语 2007 1204a

This is the VOA Special English Agriculture Report. A Yale student carries beets grown on an organic farm near the university in New Haven, Connecticut Beets are a tasty root vegetable that do not require much work to grow. People might think beets

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This is the VOA Special English Agriculture Report. Goats are valuable not just for their milk and meat. Or for their ability to control weeds and help renew grasslands. Or even for their ability to be gentle around children. Goats can also be valuab

VOA标准英语2011--Smart Turkeys 'Pop' When They're Cooked

Smart Turkeys 'Pop' When They're Cooked Youve heard of smart phones, but what about smart turkeys? First of all, its a myth that turkeys are so dumb that they actually drown if they look upward with their beaks open during a rainstorm. In the wild, t

VOA标准英语2016--“智能”绷带有助更快治愈伤口

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

VOA慢速英语20060109a

DEVELOPMENT REPORT - Working With Clay: A How-to GuideBy Gary Garriott Broadcast: Monday, January 09, 2006 I'm Steve Ember with the VOA Special English Development Report. Clay is found almost everywh

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Heat Sensor Has Snaky Sensitivity敏感如蛇的热传感器 One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. 世界上有一种最精敏的热传感器，它

人体为什么会出臭汗?

What's sweat? 什么是汗水？ Your body works best when its temperature is about 37? Celsius. When your body gets hotter than that, your brain doesn't like it it wants your body to stay cool. So the part of your brain that controls temperature, ca

科学美国人60秒 SSS 暗光纤网络可以感知地震活动

Dark Fiber Networks Can Sense Seismicity When an earthquake hits or a volcano erupts, scientists traditionally record the shaking using a specially designed instrument called a seismometer. These sensors are extremely sensitive, but theyre also expen