The minute Rafaela Matos heard gunshots and saw helicopters over her Rio de Janeiro neighborhood,she immediately dropped to her knees to pray. 当拉斐拉马托斯听到枪声，看到直升机从她居住的里约热内卢社区上空飞过时，她立...
Scientists say a relative of modern wombats, about the size of a black bear, lived in central Australia around 25 million years ago. Fossils of the creature's head and other bones were discovered in 1973, under Lake Pinpa, a dry, salt lake in South A...
A new study shows the American honeybee population is slowly recovering after suffering major losses the year before. Beekeepers in the United States lost only 22.2 percent of their honeybee colonies during the past winter, from October 1, 2019 to Ma...
A recent study of coronavirus infections in Italy found that around 40 percent of cases showed no signs of infection, or symptoms. The findings suggest that asymptomatic cases are important in the spread of the virus. 最近一项对意大利新冠病毒...
US, Japan, France Urge Companies to Depend Less on China The United States, Japan and France are urging their businesses to depend less on China to make smartphones, drugs and many other products. But few companies appear to want to leave China's ski...
American Phrases for Warning or Advising Someone The other day, I started crossing a busy street in Washington, D.C., while looking at my phone. Suddenly, I heard a man shout, Watch out! He was telling me about an oncoming car. I did not know that th...
As the novel coronavirus continues to spread in the United States, politicians are increasingly turning to technology to get their message out to voters. Public health guidelines for reducing the spread have led to changes in the political campaigns...
Until this March, machines at the Broad Institute in Massachusetts were busy sequencing enough information for a complete human genome every 10 minutes. 直到今年3月，马萨诸塞州博德研究所的机器一直在忙碌地为一个完整的人类...
Henrikus Suroto teaches at a school on the Indonesian island of Java. When the coronavirus health crisis forced the school to close, he knew he could not move his classes online. His students live in rural areas that lack internet connections. Some d...
Europe faces big economic, trade and public health issues as Germany takes over the presidency of the Council of the European Union. 随着德国接任欧盟理事会主席一职，欧洲面临着重大的经济、贸易和公共卫生问题。 The E...
Pluto is a cold little world far from us in the outer reaches of our solar system. But researchers believe Pluto may have been born as a much warmer place. They say it may even have sheltered a subsurface or underground ocean one that still exists to...
