Science & Technology

Researchers have identified a pathway in the brains of mice that is activated when the animals see other mice scratching and that, surprisingly, does not involve the brain’s visual cortex.

Planetary scientists identified a potential source of a special kind of meteorite. Its characteristics could explain certain discrepancies in how near-Earth asteroids are classified.

The microscopic creatures like geckos and octopuses fabricated by 3D laser printing could open up new opportunities in fields such as microrobotics or biomedicine. These ‘life-like’ 3D microstructures are made from novel smart polymers whose size and m…

Acetaminophen use during pregnancy is associated with sleep and behavior problems consistent with attention deficit hyperactivity disorder (ADHD), according to a new study.

A milestone report proposes a new technique for modeling molecular life with computers. The advance promises new insights into the fundamental biology of a cell, as well as faster and more precise treatment of human disease.

Scientists conducted a clinical trial and found that time-restricted eating improved measures of health and wellbeing in firefighters. The lifestyle intervention only required the firefighters to eat during a 10-hour window and did not involve skipping…

Both time-restricted eating (TRE) and high-intensity interval training (HIIT) have been shown to improve cardiometabolic health in people who are overweight and at risk of serious disease. Now a randomized, controlled trial has tested whether combining…

Evidence in mice and human brain tissue reveals a mechanism that may explain the sex-based differences in Alzheimer’s disease, including why females are more vulnerable. Researchers report that female brains show higher expression of an X-linked enzyme…

Researchers mapped out many of the cells, genes, and cellular pathways that are modified by exercise or a high-fat diet. They hope their findings will help guide the design of drugs that might mimic some beneficial effects of exercise.

Obesity afflicts approximately 42 percent of the U.S. adult population and contributes to the onset of chronic diseases, including diabetes, cancer, and other conditions. While popular healthy diet mantras advise against midnight snacking, few studies …

Engineers have made a significant breakthrough in de-icing technology. New research examines a smart, hybrid — meaning passive and also active — de-icing system that works by combining an interfacial coating with an ice-detecting microwave sensor.

The miles-wide asteroid that struck Earth 66 million years ago wiped out nearly all the dinosaurs and roughly three-quarters of the planet’s plant and animal species.

Only satellites were watching when the world’s fourth-largest proglacial lake suddenly drained in 2020. Researchers now uncovered the event and analyzed the cause — the collapse of a sediment bump at the outlet of the lake.

The number of trout in a southern Oregon stream system showed no decline one year after a fire burned almost the entire watershed, including riparian zone trees that had helped maintain optimal stream temperatures for the cold-water fish.

The hepatitis B virus (HBV) is responsible for one of the most serious and common infectious diseases. Transmitted through biological fluids, it attacks the liver cells. The chronic form of the disease can lead to serious complications, including cirrh…

Metastasis — when cancer spreads to form new tumors — causes approximately 90% of cancer-related deaths. Because metastatic cancer cells circulate in the blood, the liver — which filters the blood — is considered the most vulnerable organ, so treat…

Children and young adults with Down Syndrome are four times more likely to be diagnosed with diabetes, according to new research.

Researchers used accelerometers to study how the 24-hour movement behaviors, i.e. sleep, sedentary behavior, light physical activity and moderate-to-vigorous physical activity change in relation to each other when a person retires. The results show an …

A new discovery about how cells make antibodies has revealed the surprisingly random way the body’s immune system defends against infection and disease.

We rely on climate models to predict the future, but models cannot be fully tested as climate observations rarely extend back more than 150 years. Understanding the Earth’s past climate history across a longer period gives us an invaluable opportunity …