60-Second Science

Nutrition Guidelines Healthy for the Planet, Too

Dodany: 12 grudnia 2017

Odtwórz

Following dietary guidelines would mean eating less meat and dairy—and fewer calories overall—reducing greenhouse gases and other pollution. Julia Rosen reports. -- Read more on...

Invading Beavers Turn Tundra to Ponds

Dodany: 11 grudnia 2017

Odtwórz

New beaver ponds in the Arctic may contribute to the destruction of the permafrost that holds that landscape together. -- Read more on ScientificAmerican.com

Sharks Rule the Reef's Underwater Food Chain

Dodany: 10 grudnia 2017

Odtwórz

When sharks prowl shallow waters, fish quit foraging and hide—sparing seaweed from being grazed in those areas. Jason G. Goldman reports. -- Read more on ScientificAmerican.com

Ancient Women Had Awesome Arms

Dodany: 10 grudnia 2017

Odtwórz

For thousands of years, women in agricultural societies seem to have had arms stronger than members of modern rowing teams. -- Read more on ScientificAmerican.com

Invasive Frogs Don't Bug Hawaiian Birds

Dodany: 8 grudnia 2017

Odtwórz

Coquí frogs are invasive species in Hawaii. But they don’t seem to bug the islands’ native and non-native birds. Jason G. Goldman reports. -- Read more on ScientificAmerican.com

How Hospitals Can Dampen the Decibels

Dodany: 8 grudnia 2017

Odtwórz

Hospitals consistently score low on quietness surveys. An acoustician suggests a few ways hospitals could keep the peace and quiet. Christopher Intagliata reports. -- Read more on...

Smarter Management Means More Inventions Get To Market

Dodany: 6 grudnia 2017

Odtwórz

Rosemarie Truman, CEO of the Center for Advancing Innovation, says that a better system of governance for federally funded inventions could lead to many more good ones becoming commercialized. ...

Computers Learn to Use Sound to Find Ships

Dodany: 6 grudnia 2017

Odtwórz

Researchers trained machine-learning algorithms to pinpoint the location of a cargo ship simply by eavesdropping on the sound of its passing. Christopher Intagliata reports. -- Read more on...

Yeti Claims Don't Bear Up

Dodany: 4 grudnia 2017

Odtwórz

Analysis of alleged yeti samples found them to be from less fantastic beasts, such as bears, but also shed light on the evolution of those local bear populations. -- Read more on...

Republican Voters Not in Denial About Climate

Dodany: 2 grudnia 2017

Odtwórz

An analysis of voter opinions finds that half of Republican voters think climate change is happening, and would support regulating CO2 as a pollutant. Christopher Intagliata reports. -- Read more...

Tech Honcho Wants Innovation For The Bottom Billion

Dodany: 1 grudnia 2017

Odtwórz

At the World Conference of Science Journalists in October, Nathan Myhrvold, co-founder of Intellectual Ventures, charged innovation outfits with changing the lives of the world's most... -- Read...

Bumper Stickers Make Highways More Social

Dodany: 30 listopada 2017

Odtwórz

A social scientist studies how car stickers turn the roads into actual information highways. -- Read more on ScientificAmerican.com

Chimps Able to Apprehend Another Chimp's Mindset

Dodany: 28 listopada 2017

Odtwórz

By listening to the calls of their brethren, chimps seem to be able to understand the mindsets and perspectives of other chimps. Jason Goldman reports. -- Read more on ScientificAmerican.com

Even without Hands Honeybees Show Handedness

Dodany: 27 listopada 2017

Odtwórz

About half the honeybees in a test exhibited no sidedness, but the other half was split 50–50 between righties and lefties—perhaps to navigate obstacles more efficiently. -- Read more on...

Humpback Whale Flippers Do More Than Maneuver

Dodany: 26 listopada 2017

Odtwórz

Researchers attached cameras to humpback whales and found that they flap their flippers to help power forward swimming. -- Read more on ScientificAmerican.com

A New Recipe for Counting Cranberries

Dodany: 23 listopada 2017

Odtwórz

Estimating cranberry harvests involves tedious hand counting. But microwave analysis could change all that. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

How Fit Is Bitcoin?

Dodany: 22 listopada 2017

Odtwórz

A new analysis treats bitcoins and other cryptocurrencies as species in an evolutionary model—and finds bitcoin has no selective advantage. Christopher Intagliata reports. -- Read more on...

Salmon Sex Changes Entire Landscape

Dodany: 21 listopada 2017

Odtwórz

Salmon excavate streambed holes in which to lay eggs, setting off a chain of events that has surprisingly large geographical effects. -- Read more on ScientificAmerican.com

Ancient One-Percenters Were Beast Based

Dodany: 18 listopada 2017

Odtwórz

New World societies long ago likely had less income inequality than those in the Old World, and the difference might have been an oxen gap. Christopher Intagliata reports. -- Read more on...

Feathers Help This Bird Sound the Alarm

Dodany: 16 listopada 2017

Odtwórz

The crested pigeon, found in Australia, has a modified wing feather that helps produce an alarm signal sound to warn other birds when there's trouble. -- Read more on ScientificAmerican.com