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You've typed it, deleted it and typed it again. You need to let your colleague know there's a problem with a project at work. Should you use a grinning face—😄—in that Slack message to soften the blow, or an angry face—😠—to ...

Most people know depression as a disorder of sadness. But for millions of patients, the most debilitating feature is something else entirely: the reduced ability or inability to feel positive emotions.

For more than 100,000 years, the Methana volcano in Greece appeared dormant. No lava, no explosions, no ash clouds. It appeared extinct, like many other volcanoes today. An international research team led by ETH Zurich has ...

There is considerable evidence that microplastics and nanoplastics are present in the livers of humans, and wild animal populations on land and in the ocean. Now experts in environmental and human health are investigating ...

Erectile disorder (ED) refers to a persistent difficulty achieving or maintaining an erection sufficient for satisfying sexual activity. It affects millions of men worldwide, including up to 1 in 4 in the United States. Beyond ...

NASA's Curiosity Mars rover has uncovered a diverse mix of organic molecules on Mars, including chemicals widely considered building blocks for the origin of life on Earth.

The explosion of generative artificial intelligence (AI) tools has provoked both hopes and anxieties about the potential benefits and harms of this technology. In advanced economies, people are almost equally worried and ...

A new study has found comprehensive evidence that "weight-loss" GLP-1 receptor agonists such as semaglutide are effective in tackling the biological drivers of Alzheimer's disease. The study, published in the journal Molecular ...

Fluorescent proteins have revolutionized science, enabling researchers to tag and visualize individual molecules in living cells, tissues, and animals. Using these tools, researchers have watched viruses infect cells in real ...

Mud-rich coastlines could face a greater tsunami risk, at least that may have been the case for the 2011 Tōhoku-oki tsunami that killed more than 19,000 people and led to the Fukushima Daiichi nuclear disaster. According ...

Marburg virus disease (MVD) is a severe and often fatal hemorrhagic disease in humans caused by the Marburg virus. It is carried by Egyptian fruit bats and can spread to people after exposure in caves or mines where they ...

Plasma, the fourth state of matter, consists of a gas in which electrons are no longer bound to atoms, which allows electricity to flow freely. When beams of particles moving close to the speed of light travel through plasma, ...