搜索 复制 Study: Evolutionary Changes in Voice Box May Have Led to Human Speech Scientists say changes in the voice box of nonhuman primates over time may have led to human speech. The researchers said they examined the voice box, also known as t...
搜索 复制 Landfills are places where a large amount of waste and other refuse is buried in the ground. They are responsible for releasing a large amount of planet-warming methane gas into the atmosphere, a new study suggests. Scientists used sate...
搜索 复制 International scientists warn that the world's largest ice sheet in Antarctica is losing ice much more quickly than they had thought. A recent study by Australian and other researchers described what could happen if targets to limit glo...
搜索 复制 Internet Users Question Colorful Telescope Image The American space agency NASA recently released the first images observed by its powerful James Webb Space Telescope. NASA officials said the new images represented the Webb's ability to...
搜索 复制 Recovery of Different Kinds of At-risk Animals Can Raise Conflicts Wildlife experts in the United States are struggling with a problem: As some kinds of threatened animals increase in number, they put pressure on other at-risk creatures...
搜索 复制 Record Amount of Algae Threatens Economy, Wildlife on Caribbean Coasts Near-record amounts of algae, or water plants, are covering Caribbean coasts from Puerto Rico to Barbados. The plants are killing fish and other wildlife, producing...
搜索 复制 New research published last week in the publication Communications Biology suggests the world's wildlife may be in more trouble than scientists have so far reported. Scientists have examined the status of more than 147,000 plants and an...
搜索 复制 Florida's sea turtle population is changing because of hot weather. Recent heat waves in the southern state have made the sand on the beaches so hot that almost of all the sea turtles born there are female. When a mother sea turtle digs...
搜索 复制 Scientists Find Evidence of Oldest Dark Matter in Universe Researchers say they have discovered evidence of the oldest dark matter ever observed in the universe. Dark matter remains mysterious. Scientists believe the material makes up m...
搜索 复制 Space scientists have observed what they believe is the most massive known example of an object called a neutron star. It has been called a black widow since it gained much of its mass by taking it from another star which it orbits. The...
搜索 复制 On a recent afternoon, vehicles moved up and down the dry riverbed of the Rio Grande River, near Albuquerque, New Mexico. The drivers had a purpose. They were biologists hoping to save as many endangered fish as they could before the su...
搜索 复制 NASA is launching two more small helicopters to Mars as part of its effort to return Martian rocks and soil samples to Earth. Under the plan announced in late July, NASA's Perseverance rover will transport soil samples to a rocket. The...
搜索 复制 VR Technology Helps Doctors Successfully Separate Joined Twins A team of doctors has used virtual reality technology to prepare for an operation that successfully separated twins joined at the head. Virtual reality, or VR, is a computer...
搜索 复制 Mammals can produce their own body heat and control their body temperatures. This process is known as endothermy or warm-bloodedness. Scientists believe that it may be the reason why mammals likely rule almost every ecosystem. Warm-bloo...
搜索 复制 Tyrannosaurus Rex, or T. rex, has long been one of the most famous dinosaurs. Now, researchers are debating whether the giant meat-eating tyrannosaurus should be considered as one species or three different species. Since 1905, T. rex h...
