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2017年《60秒科学(科学美国人)》英语听力音频打包下载2018-03-16
VOA英语网提供的关于2017年《60秒科学(科学美国人)》英语听力音频打包下载的资源.
2016年《60秒科学(科学美国人)》英语听力音频打包下载2018-03-16
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2015年《60秒科学(科学美国人)》英语听力音频打包下载2018-03-16
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2014年60秒科学(科学美国人)英语听力音频打包下载2018-03-16
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2015年《60秒科学(科学美国人)》听力音频打包下载2016-01-05
2014年60秒科学(科学美国人)英语听力音频打包下载2015-01-18
60秒科学(科学美国人)音频打包下载(至20120225)2012-03-05
科学美国人:Traffic Deaths Increase after 4:20 P.M. on 4/202018-04-20
A look at a database of fatal traffic accidents found a 12 percent increase on the informal marijuana holiday 4/20 after 4:20 P.M. compared with nearby dates.
科学美国人:NYC Mice Are Packed with Pathogens2018-04-20
Mice trapped in New York City apartment buildings harbored disease-causing bacteria and antibiotic resistance genes. Christopher Intagliata reports.
科学美国人:Planting Milkweed for Monarchs? Make Sure it's Native2018-04-17
Non-native milkweed species planted in the southern U.S. could harm monarch butterflies as temperatures rise. Jason G. Goldman reports.
科学美国人:The Internet Needs A Tune-Up2018-04-14
Princeton University's Jennifer Rexford talks about optimizing the Internet for the uses it got drafted into performing.
科学美国人:Some Habitable Zone Exoplanets May Get X-Rayed Out2018-04-12
Red dwarfs are a popular place to hunt for small exoplanets in the habitable zonemdash;but the stars' radiation bursts might fry chances for life as we know it. Christopher Intagliata reports.
科学美国人:Right Whales Seem To Think Before They Speak2018-04-10
Rather than always making the same call in response to the same stimuli, North Atlantic right whales are capable of changing their vocalizations.
科学美国人:Brain Scan Might Reveal Appetite for Risk2018-04-10
Volunteers willing to place riskier bets tended to sport larger amygdalasmdash;a region associated with processing fear. Christopher Intagliata reports.
科学美国人:Neandertal Face Shape Was All Over the Air2018-04-05
The jutting midface of Neandertals seems to have evolved to help get large volumes of air into an active body that needed lots of oxygen.
科学美国人:Rev Up Photosynthesis To Boost Crop Yields2018-04-03
Photosynthesis actually is an inefficient process, but a biological chemist is trying to crank it up.
科学美国人:13,000-Year-Old Footprints Under West Coast Beach2018-04-02
Several feet below a beach in British Columbia, archaeologists discovered soil trampled by human feetmdash;the oldest footprints found so far in North America. Christopher Intagliata reports.
科学美国人:Math Cracks a Knuckle-Cracking Mystery2018-03-30
The source of knuckle cracking sounds is much debatedmdash;but new mathematical models may reconcile two opposing views. Christopher Intagliata reports.
科学美国人:Rotting Flesh Offers Insight on Fossilization2018-03-27
To learn more about decay and fossilization, researchers conduct unorthodox experiments--like dissecting decomposing animals in the lab. Christopher Intagliata reports.
科学美国人:Ravens Crow With Individual Flair2018-03-24
Ravens produce different types of calls depending on their age and sexmdash;which might help ravens size up other individuals. Jason G. Goldman reports.
科学美国人:U.S. Flu Spread Counts On Southern Cold Snaps2018-03-22
A multifactorial analysis finds that the ignition of a flu epidemic stems from a blast of colder weather striking an otherwise warm, humid, urban environment, and driving people indoors into close quarters.
科学美国人:Louise Slaughter Was Congress's Food Safety Champion2018-03-21
Upstate New York Congresswoman Louise Slaughter, who worked for decades on issues such as overuse of antibiotics in agriculture and food safety in general, died March 16th at the age of 88.
科学美国人:Arctic Heat Waves Linked to Snowpocalypse-Like Storms2018-03-19
An analysis of more than six decades of daily temperature and snowfall data linked warmer arctic temperatures to cold snaps at lower latitudes. Christopher Intagliata reports.
科学美国人:Gut Parasites Have Their Own Gut Microbiomes2018-03-16
The whipworm lives in the human gut, mooching microbes from its host to build its own microbiome. Christopher Intagliata reports.
科学美国人:Drones Could Help Biologists Tally Birds2018-03-13
Counting by drone not only saves time and effort, but yields better data on species numbersmdash;a definite plus in terms of conservation. Karen Hopkin reports.
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