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Your search has returned 4889 articles:
  • News

    A new vaccine raises hopes of someday curbing the tuberculosis epidemic

    A new tuberculosis vaccine shows promise in preventing the bacteria from causing disease in people who are infected, but aren’t sick. If approved, it could help control the spread of a disease considered one of the world’s top killers, responsible for 1.6 million deaths in 2017, according to the World Health Organization.

    In a clinical trial, the new vaccine halved the number of people...

    09/25/2018 - 18:04 Health, Clinical Trials
  • News

    A paralyzed man makes great strides with spinal stimulation and rehab

    With the help of a spine stimulator and intensive training, a formerly paralyzed man can command his legs to step again. This achievement, described online September 24 in Nature Medicine, inches researchers closer to restoring movement to paraplegic people.

    The therapy allows 29-year-old Jered Chinnock to control his leg movements with his thoughts. “This is highly significant,” study...

    09/24/2018 - 14:41 Neuroscience
  • 50 years ago, a flu pandemic spurred vaccine research

    Girding against a new strain

    Flu comes in many kinds, and the current vaccine … has little effect against a newcomer that has afflicted at least 400,000 persons in Hong Kong. The Asian city was the source of the 1957 epidemic in the United States. Fears that it may provide a springboard for another one have caused the Public Health Service to ask eight pharmaceutical companies to...

    09/21/2018 - 09:00 Health, Immune Science, History of Science
  • News in Brief

    Kidney stones grow and dissolve much like geological crystals

    It took a close look at crystal formation in Yellowstone’s hot springs to understand stones much closer to home. Growth and dissolution patterns found in rocks there mirror what’s going on with stones in our kidneys, says Bruce Fouke, a geobiologist at the University of Illinois at Urbana-Champaign, contradicting the medical dogma that kidney stones don’t dissolve.

    Fouke, who usually...

    09/21/2018 - 07:00 Health, Physiology
  • News

    Drug overdose deaths in America are rising exponentially

    Even as the country’s attention is focused on the ongoing opioid epidemic, a new study shows that the United States has had a wide-ranging drug overdose problem for decades, and it’s growing ever worse.

    Analyzing nearly 600,000 accidental drug poisoning deaths from 1979 to 2016 shows that the country has seen an exponential rise in these cases, with the number of deaths doubling...

    09/20/2018 - 18:01 Health, Science & Society
  • Feature

    Can science build a better burger?

    This isn’t as extreme as if the federal government had decided to regulate time travel. But it’s almost as surprising. The U.S. Food and Drug Administration is taking the first step toward rules for growing nutritious, delicious, juicy meat in labs, not farms.

    The notion of growing, say, just the beef instead of the whole cow has been floating around since at least the 1890s. This sci-fi...

    09/20/2018 - 12:30 Agriculture, Climate, Sustainability, Nutrition
  • News

    Over-the-hill cells may cause trouble in the aging brain

    Cells past their prime may have a role in dementia. Culling these cells protected the brains of mice that were otherwise destined for brain decline, a new study finds.

    Senescent cells, which accumulate with age, are still alive but in a state of suspended animation — they stop doing their jobs and they stop dividing. Getting rid of these cells in the body extends the life spans of mice...

    09/19/2018 - 13:00 Neuroscience
  • News

    Daily low-dose aspirin is not a panacea for the elderly

    A daily dose of aspirin? Not a good idea if you’re a healthy elderly adult.

    A trio of papers based on a large-scale clinical trial finds that the drug doesn’t help to stave off heart attacks, strokes, dementia or physical disability. In fact, those in their golden years who took a low dose of aspirin daily were more likely to suffer serious internal bleeding than those who took a placebo...

    09/19/2018 - 09:30 Health, Clinical Trials
  • Letters to the Editor

    Readers focus on fake news, neutrinos, and more

    Fighting fake news

    Computer programmers are building deception-detecting algorithms to fight the onslaught of fake news, Maria Temming reported in “People are bad at spotting fake news. Can computer programs do better?"(SN: 8/4/18, p. 22).

    Reader Lou Floyd found the story compelling and troubling. “It points [to] a major problem facing us all today that affects the very foundation of...

    09/19/2018 - 07:15 Science & Society, Health, Particle Physics
  • For Daily Use

    A sensor inspired by an African thumb piano could root out bogus medicines

    Identifying faulty drugs or diagnosing kidney problems could one day be as simple as playing an instrument and analyzing the sound.

    An inexpensive, handheld tool inspired by an ancient African instrument called an mbira, or thumb piano, can distinguish between liquids of different densities, researchers report online September 12 in ACS Omega. That could help pharmacists and consumers...

    09/18/2018 - 11:10 Technology, Health