U.S. traffic deaths have remained at about 40,000 a year since 2000, but pedestrian and bicyclist fatalities have risen 68%. Arterial road design – higher speeds and wider lanes – have long been blamed for this rise. But new research says this explanation is incomplete, offering new insight into why the U.S. has struggled to reduce traffic fatalities. Analyzing 222 miles of Florida arterials, findings show placing everyday destinations like gas stations along high-speed roads significantly increases the risk of serious injury or death for pedestrians and cyclists – turning already dangerous corridors into deadly environments.

After a surprising discovery that overcomes a longstanding problem in fiber optics, MIT researchers demonstrated a biomedical imaging technique that is faster and more precise than other methods, which could help scientists and clinicians study new brain therapies.

In a new study, Duke Health researchers found that artificial intelligence tools can analyze routine electronic health records to accurately estimate a child’s risk of developing ADHD years before a typical diagnosis. By reviewing patterns in everyday medical data, the approach could help flag children who may benefit from earlier evaluation and follow-up.

The hippocampus is a key brain region involved in memory formation and spatial orientation. It transforms short-term memories into long-term ones, helping us retain and build upon our experiences. Researchers led by Magdalena Walz Professor for Life Sciences Peter Jonas at the Institute of Science and Technology Austria (ISTA) focus precisely on this area of the brain. Their latest study, published in Nature Communications, reveals how the central neural network in the hippocampus develops after birth.

Aging often brings metabolic troubles, and a new study in Engineering may explain why. Scientists found a special sugar-modified antibody called fucosylated IgG builds up in aging fat tissue. It worsens inflammation and scarring while weakening fat’s normal function. This discovery points to a new way to ease age-related metabolic problems by adjusting this antibody’s sugar structure, giving fresh hope for healthy aging.