Mixing drinking water with chlorine, the United States’ most common method of disinfecting drinking water, creates previously unidentified toxic byproducts, says Carsten Prasse from Johns Hopkins University and his collaborators from the University of California, Berkeley and Switzerland.
Online political advertising is not regulated by the federal government the way television ads are. What standards can journalists use when examining social media campaigning? Johns Hopkins and three other universities have developed a set of 12 recommendations based around 4 ethical principles that reporters can use when judging online campaign strategies.
Deep in our Milky Way galaxy’s center, a candy cane emerges as the centerpiece of a new, colorful composite image from a NASA camera, just in time for the holidays.
Johns Hopkins engineers have created a new lens-free ultra-miniaturized endoscope, the size of a few human hairs in width, that is less bulky and can produce higher quality images.
Quantum computers with the ability to perform complex calculations, encrypt data more securely and more quickly predict the spread of viruses, may be within closer reach thanks to a new discovery by Johns Hopkins researchers.
Scientists at Johns Hopkins have successfully created personalized digital replicas of the upper chambers of the heart and used them to guide the precise treatment of patients suffering from persistent irregular heartbeats. These simulations accurately identified where clinicians need to destroy tissue to restore the heart’s normal rhythm.
Dark matter, which researchers believe make up about 80% of the universe’s mass, is one of the most elusive mysteries in modern physics. What exactly it is and how it came to be is a mystery, but a new Johns Hopkins University study now suggests that dark matter may have existed before the Big Bang.
A new study of rocks that formed billions of years ago lends fresh insight into how Earth’s plate tectonics, or the movement of large pieces of Earth’s outer shell, evolved over the planet’s 4.56-billion-year history.
Some older adults without noticeable cognitive problems have a harder time than younger people in separating irrelevant information from what they need to know at a given time, and a new Johns Hopkins University study could explain why.
A new reusable device created by the Johns Hopkins University can help women with breast cancer in lower income countries by using carbon dioxide, a widely available and affordable gas, to power a cancer tissue-freezing probe instead of industry-standard argon.
In cinema and science fiction, one small change in the past can have major, sometimes life-changing effects in the future. Using a series of snapshots, researchers recently captured such so-called “butterfly effects” in heart muscle cell development, and say this new view into the sequence of gene expression activity may lead to better understanding disease risk.
They’ve never seen animals like hippos and sharks but adults born blind have rich insight into what they look like, a new Johns Hopkins University study found.
Rewards are necessary for learning, but may actually mask true knowledge, finds a new Johns Hopkins University study with rodents and ferrets.
A new analysis co-led by The Johns Hopkins University identified 25 United States counties that are most likely to experience measles outbreaks in 2019. The analysis combined international air travel volume, non-medical exemptions from childhood vaccinations, population data and reported measles outbreak information.
Millennials are more likely to be arrested than their predecessor counterparts regardless of self-reported criminal activity, finds a new study by a Johns Hopkins University expert. Furthermore, black men who self-reported no offenses were 419% more likely to be arrested at the beginning of the 21st century than non-offending blacks of the previous generation, and 31.5% more likely to be arrested than whites of the same generation who did not self-report any crimes.
New measurements from NASA’s Hubble Space Telescope confirm that the Universe is expanding about 9% faster than expected based on its trajectory seen shortly after the big bang, astronomers say.
Computers, like those that power self-driving cars, can be tricked into mistaking random scribbles for trains, fences and even school busses. People aren’t supposed to be able to see how those images trip up computers but in a new study, Johns Hopkins University researchers show most people actually can.
Incorporating the arts—rapping, dancing, drawing—into science lessons can help low-achieving students retain more knowledge and possibly help students of all ability levels be more creative in their learning, finds a new study by Johns Hopkins University.
A popular theme in the movies is that of an incoming asteroid that could extinguish life on the planet, and our heroes are launched into space to blow it up. But incoming asteroids may be harder to break than scientists previously thought, finds a Johns Hopkins study that used a new understanding of rock fracture and a new computer modeling method to simulate asteroid collisions.
A new Johns Hopkins study offers promise towards someday being able to non-invasively examine changes in cancerous tumors to determine whether they’ll respond to radiation treatment, before treatment even begins.
A new method of increasing the reactivity of ultrathin nanosheets, just a few atoms thick, can someday make fuel cells for hydrogen cars cheaper, finds a new Johns Hopkins study.
The more crime that occurs along a student’s way to school, the higher the likelihood that student will be absent, Johns Hopkins University researchers found.
A new Johns Hopkins study found that rats’ ability to recalibrate learned relationships among time, speed and distance is ever-evolving, moment-by-moment.
NASA’s Curiosity Rover may have been ambling around the Gale Crater on Mars for nearly seven years but scientists have found a way to use it for something new: making the first surface gravity measurements on a planet other than Earth.
China, already the world’s leading emitter of human-caused greenhouse gases, continues to pump increasing amounts of climate-changing methane into the atmosphere despite tough new regulations on gas releases from its coal mines, a new Johns Hopkins study shows.
A recent celebrity suicide and another celebrity's drug overdose point to differences in the way that toll-free helplines are publicized when such major news stories occur.
Why do people make high-risk choices -- in casinos, or in aspects of their everyday lives – even when they know the odds are against them?
When improved antidepressants hit the market in the 1980s, heavy drinking among people with depression dropped 22 percent, suggesting people who knowingly use drugs and alcohol to relieve mental and physical pain will switch to safer, better treatment options when they can get them,
Lab simulations nix common wisdom that atmospheric oxygen and organic compounds are good evidence that a planet harbors life.
In their quest to learn more about planets beyond our own solar system, astronomers discovered that a medium-sized planet roughly the size of Neptune is evaporating at a rate 100 times faster than a previously discovered planet of similar size.
A company in Israel has unveiled the world’s first lab-grown steak, grown in a petri dish with the taste and texture of one that comes from a cow. Jan Dutkiewicz, a postdoctoral fellow in political science at Johns Hopkins University has researched the emergence of cellular agriculture. He is available to talk about the new steak and offer perspective on the development.
Americans trust their state governments to handle issues as important as education and health care and pay them more than a trillion dollars in taxes annually, yet we know very little about these institutions.
The constant movement of fish that seems random is actually precisely deployed to provide them at any moment with the best sensory feedback they need to navigate the world.
Astronomers have found what could be one of the universe’s oldest stars, a body almost entirely made of materials spewed from the Big Bang.
By studying barn owls, scientists believe they’ve taken an important step toward solving the longstanding mystery of how the brain chooses what most deserves attention.
Neuroscientists have found a brain region that appears to be strongly connected to food preference decisions, like what to choose from a buffet or potluck.
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