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Vape devices are flooding teens' bodies with increasingly heavy doses of addictive nicotine, a new study finds. Average urine levels of a key nicotine metabolite, cotinine, nearly tripled among teenagers over a period of ...

Researchers have uncovered a previously unknown mechanism that helps aging cells drive the chronic inflammation linked to many age-related diseases. The findings reveal how dysfunctional mitochondria—the cell's energy-producing ...

When an adult sees a doctor and complains about persistent hip pain, the assumption is often wear-and-tear-related osteoarthritis. However, hip pain not caused by arthritis can come from conditions that are both more complex ...

New wildfires fed by strong winds broke out in Greece on Friday, giving firefighters little respite and forcing Civil Protection officials to order the partial evacuation of part of a suburb west of Athens.

You might not often think about the molars of livestock, but everything from the grass they eat to the water they drink can tell a story about how people lived centuries ago. An international collaboration led by University ...

Scientists have discovered a new way to determine how big an earthquake may become just seconds after it begins. In a new study published in Nature Communications, researchers from the U.S. Geological Survey (USGS) and Cal ...

A map showing the distribution of isotopes in Amazonian tree wood can help identify illegally harvested timber. By analyzing the ratio of different isotopes of elements such as oxygen, carbon, nitrogen and strontium, researchers ...

For decades, scientists have largely relied on painstaking trial and error to coax proteins into crystalline forms. Crystallization enables scientists to determine the molecular structures of proteins, which can provide a ...

Bioengineers at the University of California San Diego integrated the olfactory receptor of an insect called a jumping bristletail into semiconductor chips made of graphene, creating an electronic nose capable of sniffing ...

The high frequency of RNA virus mutations and outbreaks of emerging RNA viral infections are challenging public health issues. Developing a drug that can overcome viral mutations with broad-spectrum antiviral activity is ...

Currently popular biographies of famous scientists may demotivate—rather than inspire—children's desire to study or pursue careers in science, according to researchers who studied the messages in 422 bestselling children's ...

Landslides cause an estimated $3 billion to $6 billion in damage and multiple fatalities annually in the United States. Those numbers could easily increase as housing needs spur development in landslide-prone areas and climate ...