Ben Harder

All Stories by Ben Harder

  1. Salmonella illnesses traced to pet rodents

    Hamsters and other pet rodents are probably underappreciated spreaders of salmonella bacteria.

  2. Earth

    Mercury pollution settles in hot spots

    Certain areas of North America are particularly susceptible to environmental accumulation of mercury.

  3. Humans

    Weighing In on City Planning

    Accumulating evidence suggests that urban sprawl discourages physical activity and may thereby contribute to obesity and related health problems.

  4. Health & Medicine

    Folic Acid Dilemma: One vitamin may impair cognition if another is lacking

    The nutrient folic acid is generally good for brain health, but research now suggests that too much of it might harm people who get too little vitamin B12.

  5. Tech

    A backpack with a suspension system

    A new backpack design that uses elastic cords to minimize the pack's vertical motion could lessen bodily strain on wearers and reduce the effort required to carry a load.

  6. Health & Medicine

    Catching Flu’s Drift: Vaccines fight unexpected influenza

    Vaccination can prevent three of every four flu infections, even when the vaccines are imperfectly tailored to block the common wintertime pathogens.

  7. Earth

    Woods to Waters: Wildfires amplify mercury contamination in fish

    Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.

  8. Earth

    Lead in the Water: Mapping gets a handle on disinfectant’s danger

    Researchers are investigating the link between lead-contaminated water and chloramine, a chemical disinfectant that is increasingly used in municipal water supplies.

  9. Health & Medicine

    Test identifies people at cardiac risk

    Measurement of an electrical abnormality in the heart aids doctors in determining who is most at risk for cardiac arrest.

  10. Health & Medicine

    Belated angioplasty saves no lives

    A common heart procedure called angioplasty doesn't save lives if it is performed more than a couple of days after a heart attack.

  11. Health & Medicine

    Ticking toward Trouble: Long-term rise in heart rate portends death

    Men whose hearts beat faster over time are likely to die earlier than those whose hearts keep an unchanging cadence year after year, according to a 20-year study.

  12. Earth

    Farm salmon spread deadly lice

    In the Pacific Northwest, sea lice that spread from cultivated salmon to their wild counterparts have become major parasites affecting the wild population.