| 栏目广告位一 |
科学美国人60秒:Powerball Lottery Winning Made Inevitable (If Not Easy)
“There’s a story in the book, a story about people who took advantage of the law of inevitability to win the lottery.” That’s mathematician David Hand, talk
科学美国人2016-01-13-
科学美国人60秒:Iceman ?tzi Died with a Bellyache
Otzi—or as he’s also known, the Iceman—was discovered frozen in the Alps in 1991 by two German tourists. The 5,300-year-old body has been analyzed in various ways
科学美国人2016-01-12 -
科学美国人60秒:Allergies May Have Been Bequeathed by Neandertals
Homo sapiens may dominate Europe and Asia today. But hundreds of thousands of years ago—long before we got there—the land was ruled by our now-extinct cousins, the Nean
科学美国人2016-01-11 -
科学美国人60秒:Needle Exchange Programs Now Get Fed Support
In 1988 the U.S. government instituted a ban on federal funding for needle exchange programs for people who inject street drugs. Here’s a quote from an article in the July 19
科学美国人2016-01-08 -
科学美国人60秒:Obama Notes Blocks of Gun Violence Research
“After Connecticut passed a law requiring background checks and gun safety course, gun deaths decreased by 40 percent. Forty percent.” President Obama today. In his ann
科学美国人2016-01-07 -
科学美国人60秒:Big Cats and People Live in Close Quarters in India
“In India, as a consequence of stricter protection of wildlife and increased tolerance, numbers of large carnivores are increasing in private lands and lands outside the prot
科学美国人2016-01-06 -
科学美国人60秒:Asphalt Roads Could De-Ice Themselves
Every winter some 20 million tons of salt are dumped on America's roads. The sodium chloride melts ice or prevents its formation, helping to prevent accidents. But road salt has i
科学美国人2016-01-05 -
科学美国人60秒:Race-Based Brand Preferences Found for Underage Drinkers
The assumption is that when teenagers want to drink, they buy the cheapest beer or booze or just suck down whatever they can steal from their parent’s liquor cabinets. But a
科学美国人2016-01-04 -
科学美国人60秒:Baby Whales Pecked to Death by Gulls
Gulls. You may have noticed that gulls can be pretty aggressive when it comes to grabbing food. But that behavior is more intense than you may know. Some kelp gulls snack on baby w
科学美国人2015-12-31 -
科学美国人60秒:Polar Bears Must Work Harder on Faster Sea Ice Treadmill
Polar bears live on floating rafts of sea ice, hunting for seals. But in the Arctic Ocean north of Alaska, the cold polar wind constantly blows that ice from east to west. Which me
科学美国人2015-12-31 -
科学美国人60秒:Southwest's Conifers Face Trial by Climate Change
As you sit round the Christmas tree, consider the TLC you give O Tannenbaum: plenty of water and a relatively comfortable climate. Wouldn't want to dry out the tree, after all. No
科学美国人2015-12-29 -
科学美国人60秒:Superfast Computer Chip Transmits Data with Light
Computer chips have two important parts—the logic on the chip, which computes and executes programs. Then there’s the part that sends and receives—gets data to cr
科学美国人2015-12-25 -
科学美国人60秒:Text Reminders Cut Binge Drinking in At-Risk Recipients
Young people may seem like they’re attached to their phones—and that whatever’s on their screens is more important than what’s actually happening right in f
科学美国人2015-12-24 -
科学美国人60秒:Antievolution Legislation Shows Descent with Modification
“Creationism evolves and sometimes those new strategies succeed.”
科学美国人2015-12-23
Nicholas Matzke, an evolutionary biologist currently on a fellowship at the Australian National Unive -
科学美国人60秒:Drugged Gut Microbiome Cuts Heart Risk in Mice
The microbes in our gut play a big role in helping us digest our food. But as they break down nutrients, they also generate secondary compounds that can influence our health. Take
科学美国人2015-12-23 -
科学美国人60秒:Small Fish Takes Fast-Evolution Track
March 27th, 1964: the world's second-most powerful recorded earthquake hits Alaska. <<historic movie clip: "In Anchorage, Alaska's largest city, buildings collapse. Streets and h
科学美国人2015-12-22 -
科学美国人60秒:Marion Nestle Talks "Soda Politics"
“Early in August…the New York Times revealed that Coca-Cola was funding an organization based at the University of Colorado, the Global Energy Balance Network, that wa
科学美国人2015-12-22 -
科学美国人60秒:Teachers' Racial Biases Have Different Effects for High Versus Low Performers
The ways teachers view their students can influence how teachers teach. Which affects how and what students learn. Now a study finds that a teacher’s racial biases come into
科学美国人2015-12-17 -
科学美国人60秒:Energy Secretary Talks Climate Challenge
On December 9th, during the climate talks in France, Secretary of Energy Ernest Moniz and Scientific American’s David Biello met to talk about the role of technological innov
科学美国人2015-12-16 -
科学美国人60秒:New African Highways Have High Environmental Price
By the end of the century, the United Nations reckons the population of Africa could hit 4.3 billion people—four times today's numbers. It's the fastest-growing spot on the
科学美国人2015-12-15 -
科学美国人60秒:Cockroach Caca Contains Chemical Messages Made by Microbes
Microbes play a huge role in our nutrition, our immunity, maybe even our mental health. But we aren’t the only ones that rely on these armies of resident bacteria. "Baby cock
科学美国人2015-12-15 -
科学美国人60秒:90-Nation Coalition Aims for Ambitious Climate Change Deal
On December 9th, the day when protesters finally made an appearance, a new coalition emerged here at the climate talks in Paris. A group of some 90 nations, including the U.S., uni
科学美国人2015-12-14 -
科学美国人60秒:New African Highways Have a High Environmental Price
By the end of the century, the United Nations reckons the population of Africa could hit 4.3 billion people—four times today's numbers. It's the fastest-growing spot on the
科学美国人2015-12-14 -
科学美国人60秒:Protect the Right Places for Biodiversity
“Protected areas are hugely important for conservation. Over the last 20 years there’s been a massive growth in the number of protected areas, both in the marine realm
科学美国人2015-12-11 -
科学美国人60秒:Individuals' Blood Glucose Levels after Meals May Be Predictable
High blood sugar levels are a risk factor for type 2 diabetes. Doctors today have only general dietary recommendations for how to control those levels, because there’s no rea
科学美国人2015-12-11
| 栏目广告位二 |
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