Dr. Laura Olivieri of Children's National Medical Center in Washington holds up a 3-D-printed model of a ventricular septal defect.
To help solve challenging cardiac problems, doctors press ‘print’
A 3-D printer at Children’s National Medical Center replicates patients’ hearts, giving doctors a better view.
With a breast cancer diagnosis at age 26, the odds are different
The disease is rare in women younger than 30, but it’s especially potent for those in that age group.
Kepler Space Telescope has major malfunction; mission imperiled
The famed Kepler Space Telescope, discoverer of 115 worlds, is on the blink, unable to point accurately
More Health and Science news
Increase in doctors’ pay for Medicaid services off to a slow start
A delay in issuing federal rules for the increase means that only a handful of states have implemented it.
Updates to psychiatry’s guidebook change criteria for ADHD, autism
Major changes to the DSM, which clinicians use to diagnose mental disorders, may have broad impact.
Senate panel backs pick to head EPA
Republicans drop their boycott of a vote, sending Gina McCarthy’s nomination to the Senate floor.
Oregon scientists get stem cells from cloned human embryos
A research team in Oregon has produced embryonic stem cells from cloned human embryos.
World’s fish have been moving to cooler waters for decades, study finds
Warming oceans are driving species toward the poles, affecting harvests around the globe, researchers say.
Multimedia
The cicadas are coming
Brood II is making its once every 17-year appearance above ground. Don’t blame the cicadas for the racket, they’re just looking for love.
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Bodily waste can help solve the energy crisis, author says
Excrement has played a role in evolution, sustainability and the development of language, book says.
Sucking on your child’s pacifier might guard them from allergies
Boosting the ‘hygiene hypothesis,’ a study hints that an infant may benefit from microbes in a parent’s saliva.
The human cost of misdiagnosis and medical miscommunication
Patients suffer, possibly because doctors are reluctant to recognize that they need assistance.
An anxiety app helps people confront and overcome their fears
Also: A cooking competition puts a healthful spin on international recipes.
When one bubble pops, why do others form around it?
A new computer simulation illustrates the life of foam.
Side effects of prescription drugs can be reported and studied on Web sites
Patients are advised to ask a doctor or pharmacist about the benefits and potential risks before starting a drug.
Is there a connection between aluminum and Alzheimer’s?
Some worry about aluminum in cookware and drinking water, but studies suggests minor risk at most.
What’s in your over-the-counter pain medicine?
Over-the-counter pain medications are easy to get, but they can cause problems if overused.
Hate cockroaches? They’re gross, but many of them actually help the Earth.
Some cockroaches help pollinate, others are lizard and woodpecker food. You can squish the urban ones.
Don’t litter. Stay off the dunes. But have fun at the beach!
For the environmentally conscious, a beach vacation can be fraught with guilt. Tips to reduce your damage.
Long-term weather forecasts are a long way from accurate
Almanacs predict weather months in advance, but accuracy is not yet possible, even with computers.
Urban Jungle
Bats in the bedroom
A Capitol Hill resident awakens to find a visitor, and later wishes she’d never encouraged it to escape.
Woman endured years of pain and uncertainty
MEDICAL MYSTERIES | Nancy Kennedy had a variety of symptoms that pointed in many directions.
Eating made her sick, but it took doctors years to figure out why
MEDICAL MYSTERIES | A Virginia teenager’s stomach pains weren’t all in her head, as some physicians had suggested.
‘It was the worst pain I’d ever had’
MEDICAL MYSTERIES | Ian Liu’s back was killing him. But his problem was much more serious than a slipped disk.
Health, Science & Environment Videos
Angelina Jolie reveals she had a double mastectomy
Actress Angelina Jolie reveals that she had a double mastectomy in an op-ed piece for The New York Times, after discovering she carried a gene that made it extremely likely she'd get breast cancer.
Brood II is making its once every 17-year appearance above ground. Don’t blame the cicadas for the racket, they’re just looking for love.
David Bowie’s Space Oddity recorded in space
A revised version of David Bowie’s Space Oddity, recorded by Commander Chris Hadfield on board the International Space Station
Billions of cicadas ready to emerge
After 17 years, they're back! Cicadas are popping up between the Carolinas and Connecticut and there's nothing you can do about them.
Solar Impulse flies over Golden Gate Bridge
The solar-powered airplane, Solar Impulse, flies over the Golden Gate Bridge in San Francisco.
Counting snakeheads in the Potomac
In a marked change from past efforts, the Virginia Department of Game and Inland Fisheries is working with similar agencies in Maryland and D.C. to monitor four different tributaries and count--not kill--snakeheads.
D.C. resident Jacques Tiziou has a taste for cicadas. He collects, prepares and eats the young, winged-insects for brunch. (Video from 2004)
VIDEO | Doctors say a baby in Mississippi born with HIV is cured after receiving aggressive treatment.
NASA: The instruments on the Van Allen Probes
Dr. David Sibeck describes in instruments on NASA’s twin Van Allen probes that are exploring the Van Allen Radiation Belts in the Earth’s magnetosphere.
FDA approves artificial retina device
The FDA has approved a new device that could help some people regain part of their sight. Dr. Robert Cykiert, an opthamologist at NYU Langone Medical Center, talks to James Brown and Norah O'Donnell about what new technology means for the blind.
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