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  • Scientists Say Second Killer Asteroid May Have Struck Earth

    Scientists are investigating the possibility that a second asteroid hit Earth about the same time as the one believed to have killed off nearly all dinosaur life. The investigation is linked to a smaller crater recently discovered in the ocean. Resea...

  • The Bagmati: Nepal’s Holiest, and Dirtiest, River

    The Bagmati: Nepals Holiest, and Dirtiest, River Nepal's holiest river, the Bagmati, begins high in the Himalaya Mountains. It has been honored religiously since ancient times. Tradition says its waters have the power to purify souls. But the Bagmati...

  • Scientists Warn of High Temperatures in the Mediterranean Sea

    Climate scientists are warning of serious problems for life in the Mediterranean Sea because of high temperatures during the summer. The scientists say they are seeing high water temperatures across the sea from Barcelona in Spain to Tel Aviv in Isra...

  • AI Method Developed to Identify Parkinson’s Disease

    AI Method Developed to Identify Parkinsons Disease American researchers have developed an artificial intelligence (AI) method to identify Parkinson's disease. The system works by measuring a person's breathing patterns during sleep. A study describin...

  • Jordan River Water Levels Continue to Decrease

    The Lower Jordan River is extremely important to many people around the world. But the once powerful river has decreased a result of conflict, competition, and a changing climate over many years. Importance and history Visitors come to the river from...

  • Low Water Levels Uncover Many Hidden Objects

    Scientists at the American space agency NASA say the average yearly temperature on Earth has risen by at least 1.1 degrees Celsius since 1880. The warming has melted glaciers and lowered river and lake levels around the world. The warming has also un...

  • Scientists Model an Ancient Shark Able to Eat Whales in a Few Bites

    Scientists used the ancient remains of bones and teeth to recreate a big shark that lived in the oceans millions of years ago. The creature was so huge a recent study estimated it could have eaten something the size of a killer whale in just five bit...

  • NASA Prepares for New Moon Rocket Launch

    NASA Prepares for New Moon Rocket Launch The American space agency NASA is making final preparations to launch a new rocket designed to return humans to the moon. NASA has described its Space Launch System, or SLS, as the most powerful rocket ever bu...

  • Officials Weigh Value of Saving Eagles and Wind Energy

    Officials Weigh Value of Saving Eagles and Wind Energy The golden eagle a large, powerful bird is at the center of an effort to balance environmental protection and energy in the western United States. Government policy protects golden eagles. But it...

  • Endangered South African Penguins Driven Away by Shipping Noise

    Penguins in South Africa are being driven from their native environment because of noise from shipping activities. The African penguin lives on St. Croix island off the east coast of South Africa. The animals are already endangered. But a new study h...

  • Robotic Hand Can Be Updated to Meet User’s Needs

    A British company has developed a robotic hand that it says can be updated to perform new actions required by the user. The device, also known as a bionic hand, is designed to work like a human hand. It uses electrical signals from muscles in the upp...

  • Scientists: US Climate Law Likely to Reduce Warming

    Scientists: US Climate Law Likely to Reduce Warming American President Joe Biden has signed into law a major bill on climate change and healthcare. The new law includes $375 billion in spending to help clean energy efforts over the next 10 years. The...

  • VOA科学技术2022--研究表明半数青少年几乎一直在上网

    Study: Half of Teens Say they Use Internet Nearly all the Time New research suggests that nearly half of American teenagers say they use the internet almost constantly. The United States-based Pew Research Center released a study this month. It found...

  • VOA科学技术2022--美国各州在干旱天气中可用水减少

    US States Will Get Less Water in Dry Weather The American states of Arizona and Nevada will again face cuts in the amount of water they can draw from the Colorado River. Federal officials announced the cuts this week as the western states are experie...

  • VOA科学技术2022--非洲野生动物园面临气候、基础设施威胁

    African Wildlife Parks Face Climate, Infrastructure Threats Africa's national parks are home to thousands of wildlife species such as lions, elephants and buffaloes. The protected areas are increasingly threatened by below-average rainfall and new pu...

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