A massive effort to test the validity of 100 psychology experiments finds that more than 50 percent of the studies fail to replicate. This is based on a new study published in the journal "Science."
Given two choices of attractive mates, female frogs pick the top vocalist. But add a third, inferior male to the mix, and females go for No. 2. The "decoy effect" shapes some human choices, too.
Guy Baker of England's Marine Biological Association tells the story of a postcard his group recently received. It was addressed to George Parker Bidder — the MBA's esteemed former president, dead for more than 60 years — and had been found in a bottle dropped in the North Sea more than a century earlier.
For 35 years, Dr. Bill Mahon has tended newborns and broken bones, given kids checkups and spinal taps. But luring new doctors with big debt and urban dreams to the redwoods is harder than it sounds.
For some insects, sound waves or vibrations are the real social media — high-speed rumbles sent through the air and along leaf stems to help the bugs claim territory, send warnings and find mates.
U.S. drug officials have traced a sharp spike in the already climbing death toll from heroin overdoses to an additive — acetyl fentanyl. The fentanyl is being cooked up in clandestine labs in Mexico.
There's a new contender in the century-old quest for perfect, guiltless sweetness: allulose. It's sugar — but in a form that our bodies don't convert into calories. Perfect? Not quite.
Researchers have been using muons to take a peek inside the nuclear reactors in Japan that melted down in 2011. The results could aid the continuing cleanup operations.
More than 70 percent of New Orleans residents say some progress has been made in the availability of medical services since the storm. Still, most say care for the poor continues to lag.
A lack of sleep can increase the risk of traffic accidents, heart attacks, diabetes and maybe even Alzheimer's disease, research suggests. Yet most people with sleep disorders don't get treatment.
Former spouses who disagree over whether their embryos can be destroyed have taken their case to court. In the process, one thing has become clear: how far the law lags behind reproductive technology.
Scientists have found a new way to give some taste to those bland supermarket tomatoes. NPR's Scott Simon gives the details.
A major hurricane hasn't hit the U.S. since 2005. There hasn't been a lull that long since 1861 to 1868 — when Abraham Lincoln was president.
NASA says "numerous recent blogs and web postings" that a giant asteroid will smash into Earth next month are just a hoax.
Biofuel producers are teaming up with farms, meatpackers and waste management companies to tap the gassy waste on farms to make renewable jet fuel and diesel for vehicles.
A new study renews questions about how aggressively doctors should treat a very early form of breast cancer or pre-cancer.
Some scientists say we should be doing more to protect the Earth from asteroids. The technical issues are relatively easy, but the economics of asteroid defense are much harder.
Three firefighters in Washington state died while battling wildfires Wednesday. Scores of wildfires are burning throughout the western U.S. and nearly 30,000 firefighters are involved.
A growing body of research suggests that doctors' racial biases and other prejudices continue to affect the care patients received. Medical educators say self-awareness is an important first step.
The relationship between the types of microbes in our gut and belly fat is turning out to be a lot more complicated than scientists first thought.