2019-02-27 所属栏目:科学美国人

Grandmothers can enhance the survival of grandchildren. That is, unless grandma’s too old or lives too far away. Karen Hopkin reports.Full Transcript Living with your parents

2019-02-26 所属栏目:科学美国人

Artificial intelligence experts, ethicists and diplomats debate autonomous weapons. Christopher Intagliata reportsThink killer robots. What comes to mind? Maybe...this guy? "I'll

2019-02-26 所属栏目:科学美国人

The incidence of foodborne illness could jump in a warming world, due to an increase in housefly activity. Christopher Intagliata reports.A recent analysis predicts that 40 percent

2019-02-21 所属栏目:科学美国人

A new genetic study of Latin Americans provides evidence that gene variants for lighter skin color came about in Asia as well as in Europe. Christopher Intagliata reports.Full Tran

2019-02-20 所属栏目:科学美国人

Seismologist and policy advisor Lucy Jones says science education needs to teach how science works more than just what it finds out.“I think we all agree that there is a cris

2019-02-19 所属栏目:科学美国人

When researchers fed mosquitoes a drug used to treat people for obesity, the insects were less interested in hunting for their next human meal ticket. Karen Hopkin reports.Full Tra

2019-02-18 所属栏目:科学美国人

Deer populations have exploded in North American woodlands, changing forest ecology—and how sounds, like birdsong, travel through the trees. Christopher Intagliata reports.Th

2019-02-18 所属栏目:科学美国人

Elephants have six sets of teeth over their lives, sometimes two sets at once. At those times, they can extract more nutrition from food and put on weight.

Full Transcript Elephan

2019-02-15 所属栏目:科学美国人

The rover Opportunity has called it quits after working for more than 14 years on Mars.

Full Transcript “You know, when this little rover landed, the objective was to have i

2019-02-14 所属栏目:科学美国人

Although millennials' memory of recent pop tunes drops quickly, their ability to identify top hits from the 1960s through 1990s remains moderately high. Christopher Intagliata rep

2019-02-12 所属栏目:科学美国人

Winter storms have walloped California this year, and snowpack is piling up. But just a few years back, the state was wrung dry by a record-breaking drought. And more dry spells wi

2019-02-12 所属栏目:科学美国人

For more than a hundred years, this sound has been missing from New Zealand's forests: <hihi call up and under> "It's like two stones being clicked together, or two marbles being

2019-02-11 所属栏目:科学美国人

Male humpback whales are the concert singers of the marine world. These ocean giants belt out tunes that can be heard perhaps hundreds of miles away. The songs attract friends and

2019-02-11 所属栏目:科学美国人

Every new parent knows, or learns pretty quickly, that rocking can calm that fussy baby when it&rsquo;s time to take a nap. But the benefits of gentle motion may extend past the sw

2019-02-11 所属栏目:科学美国人

Pain. It&rsquo;s unpleasant. But what if pain could be rendered less&hellip;painful&hellip;emotionally speaking? Such uncoupling might not be entirely farfetched. Because researche

2019-02-11 所属栏目:科学美国人

The time: 300,000 years ago. The scene: a herd of horses, struggling in mud. A short five meters away, a group of early Neandertal hunters, throwing a volley of wooden spears towar

2019-02-01 所属栏目:科学美国人

One of the biggest drawbacks to wearing a smartwatch is how often you have to take it off to charge it. But here's an idea. How about charging it with a power source that's prett

2019-01-31 所属栏目:科学美国人

Hi, I&rsquo;m Scientific American podcast editor Steve Mirsky. And here&rsquo;s a short piece from the January 2019 issue of the magazine, in the section called Advances: Dispatche

2019-01-30 所属栏目:科学美国人

Polar bears and coral reefs are obvious victims of climate change. But a warming world will also challenge many other animals. For example, cod. The fish play a critical role in ma

2019-01-29 所属栏目:科学美国人

“So, I never really thought I&rsquo;d study penis size, but I sorta stumbled on this topic.”

Mark Laidre, a biologist at Dartmouth College.

Laidre travels to Costa Ri

2019-01-26 所属栏目:科学美国人

Satellite imagery, like Google Earth, makes it easy for ecologists halfway around the world to check up on tropical forests—see illegal roads and logging, for example. But th

2019-01-25 所属栏目:科学美国人

When it comes to Saturn, it&rsquo;s the rings that render the planet instantly recognizable. But it turns out that Saturn was not always so elaborately adorned. Data from the final

2019-01-24 所属栏目:科学美国人

Trees in cities do measurable good for biodiversity and for human health. They scrub pollution from the air. They provide habitat to wildlife. They make streets look nicer. And the

2019-01-23 所属栏目:科学美国人

This weekend, many parts of the world—including North America—will be treated to a total lunar eclipse. So here with your viewing guide—how it happens, what to ex

2019-01-21 所属栏目:科学美国人

Leonardo da Vinci's most famous painting also has an optical illusion named after it: the Mona Lisa effect. The feeling that the subject of a painting follows you with her gaze. "