Actor James Franco looks sort of happy as he records a video diary in the movie “127 Hours.” It’s not until the camera zooms out, revealing his arm is crushed under a boulder, that it becomes clear his goofy smile belies his agony.

For most children, the sound of their mother’s voice triggers brain activity patterns distinct from those triggered by an unfamiliar voice. 

Global loss of biodiversity is threatening the security of the world’s food supplies and the livelihoods of millions of people, according to a new report by the United Nations’ Food and Agriculture Organization (FAO).

Grocery store aisles are stocked with products that promise to kill bacteria.

The epidemic levels of physicians reporting burnout dropped modestly in 2017, according to a study by researchers at the Stanford University School of Medicine, the Mayo Clinic and the American Medical Association.

Calcium is a critical signaling molecule for most cells, and it is especially important in neurons. 

Researchers from the University of British Columbia have discovered how blood vessels protect the brain during inflammation—a finding that could lead to the development of new treatments for neurodegenerative diseases such as stroke, epilepsy and multiple sclerosis.

Multiple sclerosis is an autoimmune disease that affects more than 2.3 million people worldwide. 

The technology, developed by researchers at Imperial College London and The University of Hong Kong, can be used to measure hormones that affect fertility, sexual development and menstruation more quickly and cheaply than current methods.

An analysis of cervical precancers over a period of seven years showed that two strains of human papillomavirus (HPV) that have been targeted by vaccination since 2006 have declined, accounting for a smaller proportion of cervical disease, according to results published in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research.