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科学美国人:Salmonella Could Have Caused 16th-Century Epidemic2018-01-19
Using a new algorithm, geneticists uncovered the pathogen that could have caused a massive epidemic in the Aztec empire: Salmonella bacteria. Christopher Intagliata reports.
科学美国人:Which Came First: The Proboscis or the Flower?2018-01-14
A new fossil find reveals that the sucking tongue of butterfliesmdash;or proboscismdash;appears to have evolved before the emergence of flowers. Christopher Intagliata reports.
科学美国人:You Live in a Strange Solar System2018-01-13
Astronomers found that other star systems tend to host similarly sized exoplanetsmdash;far different from ours. Christopher Intagliata reports.
科学美国人:Glow Sticks Help Ecologists Study Amphibians2018-01-10
Populations of frogs, salamanders and other amphibians are declining around the world—even in protected areas, like U.S. national parks. Ecologists needed a simple method to track the animals’ numbers. Now, researchers have found an effective way to keep tabs on amphibians—using that concert and party favorite: glow sticks. Green glow sticks, to be specific.
科学美国人:You Traveled Far Last Year2018-01-08
Getting around the sun in 2017 was a memorable trip.
科学美国人:Air Force Tracks Final Frontier2018-01-04
General Jay Raymond, Commander of Air Force Space Command, talks about keeping watch over space and cyber.
科学美国人:Baby Bats Can Learn Different Dialects2017-12-31
Fruit bats raised hearing different pitches of sounds vocalized in keeping with their aural environment as they matured.
科学美国人:Finches Can Learn To Sing Differently Than Their Genetics Dictate2017-12-31
The song training that Bengalese finches received appeared to overcome tempo tendencies baked into their genes. Christopher Intagliata reports.
科学美国人:Mongoose Societies are Skeptical of Strangers2017-12-27
It takes months for members of a mongoose breeding society to trust newcomers with important tasks like watching for predators. Jason G. Goldman reports.
科学美国人:Pain and Weather Fail To Connect2017-12-26
A big data analysis involving more than 1.5 million patients could find no relationship between weather and complaints to doctors about joint or back pain.
科学美国人:This Fish Emits Damaging Decibels2017-12-23
The Gulf corvina produces a chattering chorus thatrsquo;s one of the loudest underwater animal sounds on the planet. Christopher Intagliata reports.
科学美国人:Finding Further Places For Solar Panels2017-12-23
Siting solar panels over rooftops, parking lots, reservoirs, and contaminated land could generate heaps of energymdash;with minimal effects on agriculture or the environment. Christopher Intagliata reports.
科学美国人:Radiation Might Help Heart Regain its Rhythm2017-12-20
A flash of radiation drastically reduced arrhythmia in a small group of patients, for at least a year after treatment. Christopher Intagliata reports.
科学美国人:Repetitive Sounds are Music to the Brain2017-12-20
Repeating something can render that thing melodiousmdash;even the sound of a shovel being dragged across the pavement. Karen Hopkin reports.
科学美国人:Supermarket Snacking Boosts Sales2017-12-16
Noshing while shopping convinces consumers to buy the featured product more often than does simply seeing end-of-aisle displays. Karen Hopkin reports.
科学美国人:Dark Fiber Networks Can Sense Seismicity2017-12-16
Scientists are exploring the use of fiber optic cablesmdash;like the ones that form the backbone of the internetmdash;to monitor earthquakes. Julia Rosen reports.
科学美国人:Something Clicks for Dolphin Identification2017-12-15
Machine-learning algorithms teased seven distinct dolphin clicking patterns from a library of more than 50 million clicks, identifying one species by sound alone. Christopher Intagliata reports.
科学美国人:Nutrition Guidelines Healthy for the Planet, Too2017-12-13
Following dietary guidelines would mean eating less meat and dairymdash;and fewer calories overallmdash;reducing greenhouse gases and other pollution. Julia Rosen reports.
科学美国人:Invading Beavers Turn Tundra to Ponds2017-12-12
New beaver ponds in the Arctic may contribute to the destruction of the permafrost that holds that landscape together.
科学美国人:Ancient Women Had Awesome Arms2017-12-12
For thousands of years, women in agricultural societies seem to have had arms stronger than members of modern rowing teams.
科学美国人:Sharks Rule the Reef's Underwater Food Chain2017-12-12
When sharks prowl shallow waters, fish quit foraging and hidemdash;sparing seaweed from being grazed in those areas. Jason G. Goldman reports.
科学美国人:Invasive Frogs Don't Bug Hawaiian Birds2017-12-10
Coquiacute; frogs are invasive species in Hawaii. But they donrsquo;t seem to bug the islandsrsquo; native and non-native birds. Jason G. Goldman reports.
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