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Scientific American

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FROM TWO BULLS, NINE MILLION DAIRY COWS

Just two Y chromosomes exist in a huge population of U.S. Holsteins; researchers want to know what traits have been lost

HOW THE NUMBERS ON THE EPA'S NEW CLIMATE RULE STACK UP

The rule will have little impact on emissions and provides only modest cuts to other harmful pollutants

 
 
 

HOW THE NUMBERS ON EPA'S NEW CLIMATE RULE STACK UP

The rule will have little impact on emissions, and provides only modest cuts to other harmful pollutants

THE BIGGEST HEALTH PROBLEM: OBESITY

A sugary beverage tax is just a start, but it exemplifies the population-wide approach we need

 
 
 

DO PRISONS MAKE US SAFER?

New research shows that prisons prevent far less violent crime than you might think

A NEW "LAW" SUGGESTS QUANTUM SUPREMACY COULD HAPPEN THIS YEAR

Quantum computers are improving at a doubly exponential rate

 
 
 

BIOTHREATS, REAL AND IMAGINED

We have more to fear from natural pathogens than from biological weapons

"MISSING" WALLETS WITH MORE CASH ARE MORE LIKELY TO BE RETURNED

A massive global study with 17,000 planted wallets found similar patterns among most of the 40 countries involved

 
 
 

MASSIVE GLOBAL EXPERIMENT FINDS PEOPLE MORE LIKELY TO RETURN A "MISSING" WALLET AS THE CASH IT CONTAINS GROWS

Across 40 countries, a person had a greater inclination to turn in one of the study's 17,000 wallets when the amount of money within...

TRUMP ADMINISTRATION RELAXES EMISSIONS LIMITS ON POWER PLANTS

A new rule for the U.S. Environmental Protection Agency allows states to set their own limits on carbon-emissions levels

 
 
 

INTERACTIVE IQ TEST MAY BETTER PREDICT REAL-WORLD ACHIEVEMENT

A click-and-drag version of a common intelligence assessment more closely resembles real problem-solving

SOLVING OUR PLASTIC PROBLEM

At Scientific American's third Science on the Hill event, experts from academia and the private sector met at the Rayburn House Office...

 
 
 

CHINA REVEALS SCIENTIFIC EXPERIMENTS FOR NEXT SPACE STATION

Projects will probe topics including DNA mutation, fire behaviour and the birth of stars

THE QUANTUM INTERNET IS EMERGING, ONE EXPERIMENT AT A TIME

Breakthrough demonstrations using defective diamonds, high-flying drones, laser-bathed crystals and other exotica suggest practical,...

 
 
 

WHERE ARE ALL THE WORKING MOTHERS IN STEM?

Unfortunately, career vs. family is too often still seen as an either/or choice.

PACE OF HEAT RECORDS WILL PICK UP WITH WARMING

If greenhouse gases are not curbed, 60 percent of the world will set monthly records by century's end

 
 
 

4 MYTHS ABOUT TESTOSTERONE

Don't let sports competitions be shaped by misguided “T Talk”

ONE SMALL STEP BACK IN TIME

Half a century after Apollo 11, we remember how we achieved the impossible and why we need to do it again

 
 
 

MAPPING THE MISSION

Modern satellite imagery and 3-D modeling give us a new view of how Apollo 11 played out

SCIENCE SYMPHONY: MUSIC OF THE MIND, VIRUS-PROOF CELLS AND APOLLO'S 50TH

 
 
 



Democrats clash in 2020's opening debate, aiming at Trump

Democrats clash in 2020's opening debate, aiming at Trump

MIAMI - Democrats face off in a prime-time fight Wednesday night in the first debate of the 2020 presidential campaign, the unofficial starting line for the party's quest to... Read more ...

Dixie Chicks announce first new album in 13 years

Dixie Chicks announce first new album in 13 years

It's been 13 years since the country group released their last album, "Taking the Long Way," which won the Grammy for album of the year. Read more ...

Senate approves bipartisan bill to use $4.6B on care for migrants

Senate approves bipartisan bill to use $4.6B on care for migrants

The Senate has approved bipartisan legislation providing $4.6 billion to care for thousands of migrants streaming into the U.S. across the Mexican border. Read more ...

12-year-old girl contracts flesh-eating infection during Florida beach vacation

12-year-old girl contracts flesh-eating infection during Florida beach vacation

"If it wasn't for the quick responses and aggressive treatments, I wouldn't have her," the girl's mother said. Read more ...

'See you on the other side': Beth Chapman, wife of 'Dog the Bounty Hunter,'...

'See you on the other side': Beth Chapman, wife of 'Dog the Bounty Hunter,' dead at 51

Beth Chapman, 51, and her husband found fame on the A&E reality series "Dog the Bounty Hunter," which chronicled the adventures of their family-owned bounty hunting business... Read more ...

New California law aimed at reducing horse racing deaths

New California law aimed at reducing horse racing deaths

The agency overseeing horse racing in California can now immediately suspend licenses to protect the health and safety of horses and riders, Gov. Gavin Newsom said Wednesday in... Read more ...

In the new Monopoly, artificial intelligence prevents you from cheating

In the new Monopoly, artificial intelligence prevents you from cheating

The banker can now catch cheaters before they collect $200. Read more ...

2-year-old disappeared from Virginia home after mom put him to bed: cops

2-year-old disappeared from Virginia home after mom put him to bed: cops

A 2-year-old boy vanished from his Virginia home after his mom put him to bed early this week - and he's been missing ever since, according to local police. Noah Tomlin was... Read more ...

'God, guns, and freedom': Car dealership offering shotgun, Bible, American...

'God, guns, and freedom': Car dealership offering shotgun, Bible, American flag for every car purchase

It's all part of the company's Fourth of July celebration. Read more ...

Cigarette, electrical fault among possible causes of Notre Dame fire - Paris...

Cigarette, electrical fault among possible causes of Notre Dame fire - Paris prosecutors

French authorities believe negligence may be the cause of the catastrophic Notre Dame fire, according to a preliminary report by the Paris prosecutor's office which has ruled... Read more ...