Science & Technology

    FILE -  Apollo 11 Astronaut Buzz Aldrin walks on the surface of the moon in a July 1969 photo.

    Study: Cosmic Rays Increased Heart Risks for Apollo Astronauts

    Astronauts who ventured to moon at five times greater risk of dying from heart disease than shuttle astronauts, US researchers find

    This picture of a fireball streaking across the sky was posted by Twitter user @k8tlynn27.

    Video Re-entering Chinese Rocket Sparks California Light Show

    Social media lit up with photos and video of a bright object streaking across the sky

    FILE - Surgeons use the robot da Vinci to aid a hernia operation, at the University Hospital Geneva, in Geneva, Switzerland, Nov. 13, 2008.

    New Crop of Robots to Vie for Space in Operating Room

    Developers of next generation of robots aim to make them less expensive, more nimble and capable of performing more types of procedures


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    Electric Wheel Makes Bike Riding a Breezei
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    July 27, 2016 10:20 PM

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    Uganda Unveils its First Solar-powered Busi
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    July 28, 2016 4:16 AM
    A solar-powered bus described by its Ugandan makers as the first in Africa has made its public debut. Kiira Motors' electric bus, Kayoola, displayed recently at a stadium in Uganda's capital. From Kampala, Maurice Magorane filed this report narrated by Salem Solomon.
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    Video Uganda Unveils its First Solar-powered Bus

    A solar-powered bus described by its Ugandan makers as the first in Africa has made its public debut. Kiira Motors' electric bus, Kayoola, displayed recently at a stadium in Uganda's capital. From Kampala, Maurice Magorane filed this report narrated by Salem Solomon.
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    Video Plane Sets World Record for Solar-powered Flight

    More than a year after it took off from Abu Dhabi, the four-engine experimental plane Solar Impulse 2 became the first aircraft to circumnavigate the world using only power collected from the sun. Its pilots hope that their record-setting flight will help promote the use of solar power as a cheap and renewable power source. VOA’s George Putic reports.
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    Video Silicon Valley: More Than A Place, It's a Culture

    Silicon Valley is a technology powerhouse and a place that companies such as Google, Facebook and Apple call home. It is a region in northern California that stretches from San Francisco to San Jose. But, more than that, it's known for its startup culture. VOA's Elizabeth Lee went inside one company to find out what it's like to work in a startup.
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    Video Science: Dutch Men, Latvian Women Tower Over World

    Dutch men and Latvian women are the world's tallest, while men in East Timor and women in Guatemala are the shortest, according to a new study. Comprehensive research led by scientists from Imperial College of London tracked height among young adults over the past century. It found that between 1914 and 2014, people in some countries have grown taller while people's average height decreased in other parts of the world. Zlatica Hoke has more.
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    Video Four Brother Goats Arrive in Brooklyn on a Mission

    While it's unusual to see farm animals in cities, it's become familiar for residents of Brooklyn, New York, to see a little herd of goats. Unlike gas-powered mowing equipment, goats remove invasive weeds quietly and without adding more pollution to the air. As Faiza Elmasry tells us, this is a pilot program and if it proves to be successful, the goat gardener program will be extended to other areas of New York. Faith Lapidus narrates.
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    Video Scientists in Poland Race to Save Honeybees

    Honeybees are in danger worldwide. Causes of what's known as colony collapse disorder range from pesticides and loss of habitat to infections. But scientists in Poland say they are on track to finding a cure for one of the diseases. VOA’s George Putic reports.
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    Video UN: Global Warming Happening Faster Than Predicted

    The World Meteorological Organization says the first half of this year has been the hottest in history - a sign that global warming is happening faster than expected. The U.N. organization based in Geneva warned Thursday that 2016 is on track to be the world’s hottest year on record. Zlatica Hoke reports the WMO called on signatories to start implementing the climate agreement reached last year in Paris as soon as possible.
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    Video World Sees Hope in Ending Mother-to-child HIV Transmissions

    AIDS looks vastly different today than it did the last time the International AIDS Conference was held in South Africa 16 years ago. VOA's Carol Pearson reports on one major success in containing the virus.
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    Video New HIV Tests Emphasize Rapid Results

    As the global fight against AIDS intensifies, activists have placed increasing importance on getting people to know their HIV status. Some companies are developing new HIV testing methods designed to be quick, easy and accurate. Thuso Khumalo looks at the latest methods, presented at the International AIDS conference in Durban, South Africa.
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    Video F-35 Steals the Show at Farnborough

    At this year's international airshow in Farnborough, England, one of the stars proved to be the U.S. Johnny-come-lately fighter plane with its advanced engine, touted as the most powerful in the world. In spite of the steep price of over $100 million, Lockheed Martin's F-35 fighter jet is sought by many militaries around the world. VOA's George Putic reports.