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Although many animal species cry vocally, the production of tears in response to emotion, both happy or sad, is a trait unique to humans. So why do we cry? What could the evolutionary advantage be to ...

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This is SCIENCE IN THE NEWS,in VOA Special English.I'm SHIRLEY Griffith.And I'm Mario Ritter.Today,we tell about an American study of heart attack survivors.We tell about a scientist recognized for hi...

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Twitter has announced a new toolthat permits users to identify informationthey believe is false or misleading.The program is called Birdwatch.Twitter is first testing the programwith a small group of ...

推特公布了一种新工具，该工具可以让用户鉴别他们认为是虚假或误导性的信息。该程序名为Birdwatch。推特首先在美国一小部分认证用户当中测试了该程序。这些用户将能够对他们认为不真实或是错误的推文撰写附注。 推特周二在发布该工具的公告中...

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This is the VOA Special English Technology Report.The satellite-based Global Positioning System is a great way to locate places -- or people.But,last week the United States Supreme Court ruled that la...

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Kevin Fong concludes his grand tour of the planet Mars, in search of water. Some of the most spectacular Martian landscapes were carved by vast and violent quantities of water in the planet’s past. Th...

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Cancer treatment might have just taken a big leap into the computer age.Stanford University researchers are reporting significant success in training computers to analyze microscope slides of breast c...

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The planet Mars boasts the most dramatic landscapes in our solar system. Kevin Fong embarks on a grand tour around the planet with scientists, artists and writers who know its special places intimatel...

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British researchers have discovered a biochemical key used by the malaria parasite to invade human blood cells.The discovery could pave the way for an effective malaria vaccine.The Plasmodium malaria ...