60-Second Science

Keep Rolling Luggage Upright With Physics

Dodany: 22 czerwca 2017

Odtwórz

A team of physicists has revealed why rolling suitcases start rocking from wheel to wheel—and how to avoid that frustrating phenomenon. Christopher Intagliata reports. -- Read more on...

Wolves Need More Room to Roam

Dodany: 20 czerwca 2017

Odtwórz

Ecologists say wolves should be allowed to roam beyond remote wilderness areas—and that by scaring off smaller predators like coyotes and jackals, wolves might do a good service too. Emily... --...

Engineers Build Bendy Batteries for Wearables

Dodany: 19 czerwca 2017

Odtwórz

Researchers built silver–zinc batteries that can bend and stretch—meaning they could be more elegantly integrated into future wearable devices. Christopher Intagliata reports. -- Read more on...

Rising Temps Lower Polar Bear Mercury Intake

Dodany: 16 czerwca 2017

Odtwórz

As polar bears are forced onto land, they're feeding on animals with less mercury—reducing their levels of the toxic pollutant. Christopher Intagliata reports. -- Read more on...

Some Hotel Bed Bug Sightings May Be Bogus

Dodany: 14 czerwca 2017

Odtwórz

Only a third of travelers could correctly identify a bed bug—suggesting that some bug sightings in online reviews could be cases of mistaken identity. Christopher Intagliata reports. -- Read more...

Opioids Still Needed By Some Pain Patients

Dodany: 13 czerwca 2017

Odtwórz

The "other victims" of the opioid epidemic are pain patients who need the drugs but cannot now get them because of fears related to their use. -- Read more on ScientificAmerican.com

Bacterially Boosted Mosquitoes Could Vex Viruses

Dodany: 9 czerwca 2017

Odtwórz

Mosquitoes infected with Wolbachia bacteria are unable to transmit viruses to humans—and could curb the spread of viral disease. Karen Hopkin reports. -- Read more on ScientificAmerican.com

Alaska Accelerates Indoor Agriculture

Dodany: 5 czerwca 2017

Odtwórz

With 700 new greenhouses, Alaska is growing its own produce as deep into winter as the sun keeps rising. -- Read more on ScientificAmerican.com

Chromosomes Combat Counterfeit Caviar

Dodany: 3 czerwca 2017

Odtwórz

Researchers found unique genetic variants that differentiate costly beluga caviar from cheaper fakes that rip off consumers. Christopher Intagliata reports. -- Read more on ScientificAmerican.com...

French Prez Invites Trumped Researchers

Dodany: 2 czerwca 2017

Odtwórz

New French President Emmanual Macron reacted to the U.S. withdrawal from the Paris Climate Agreement by inviting disaffected U.S. researchers to make France "a second homeland." -- Read more on...

Trees Beat Lawns for Water Hungry L.A.

Dodany: 27 maja 2017

Odtwórz

Evaporation from overwatered lawns cost the city of Los Angeles 70 billion gallons of wasted water a year. But the city's trees were much thriftier. Christopher Intagliata reports. -- Read more on...

Former CDC Head Warns of Threats Biological and Political

Dodany: 26 maja 2017

Odtwórz

Tom Frieden, head of the CDC from 2009 to 2017, told graduating medical students that we face challenges from pathogens and from politicans. -- Read more on ScientificAmerican.com

Fitness Bands Fail on Calorie Counts

Dodany: 24 maja 2017

Odtwórz

Activity trackers accurately reckon heart rate—but they're way off in estimates of energy expenditure. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

New Concrete Recipes Could Cut Cracks

Dodany: 20 maja 2017

Odtwórz

Recipes for concrete that incorporate byproducts from the coal and steel industries, like fly ash and slag, could reduce road-salt related cracking. Christopher Intagliata reports. -- Read more...

Bees Prefer Flowers That Proffer Nicotine

Dodany: 18 maja 2017

Odtwórz

Bumblebees sought out flowers with nicotine in their nectar, and the drug appeared to enhance the bees' memories. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Large Impacts May Cause Volcanic Eruptions

Dodany: 17 maja 2017

Odtwórz

Really big meteorite or asteroid strikes may cause melting and deep deformations that eventually lead to volcanic eruptions. -- Read more on ScientificAmerican.com

Why The Cross Put Chickens On A New Road

Dodany: 15 maja 2017

Odtwórz

A religiously inspired change in the European diet about a thousand years ago led to the development of the modern domesticated chicken. -- Read more on ScientificAmerican.com

Field Study: Worms Leave 'Til No-Till

Dodany: 12 maja 2017

Odtwórz

Earthworm numbers doubled in fields after farmers switched from conventional ploughing to no-till agriculture. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

The Sneaky Danger of Space Dust

Dodany: 12 maja 2017

Odtwórz

When tiny particles of space debris slam into satellites, the collision could cause the emission of hardware-frying radiation. Christopher Intagliata reports. -- Read more on...

Insects Donate DNA to Unrelated Bugs

Dodany: 10 maja 2017

Odtwórz

Bacteria swap DNA among themselves. And that process may be more common in multicellular organisms than previously believed. Christopher Intagliata reports. -- Read more on ScientificAmerican.com...