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Chemical reactions are often written as simple equations: Starting materials go in, and a product comes out. In reality, the same substrates can follow many different pathways depending on their concentrations, temperature, ...

Hot flashes and night sweats—collectively called vasomotor symptoms—are among the most common and disruptive symptoms of menopause. They affect almost 40% of women in the lead-up to menopause, known as perimenopause.

A Maine lobster can end up in a roll, a bisque or a butter bath. At the University of Maine, what's left of it can now end up under a golf ball. Researchers at UMaine are making golf tees from discarded lobster shells. The ...

This year, the European summer has been sweltering. It is unprecedented in many ways, marked by extreme heat, drought and record-breaking fires. Across the continent, fires have consumed hundreds of homes and prompted the ...

Chemical separation can be energy-intensive when molecules have similar sizes and properties. Researchers from Shibaura Institute of Technology, Japan, have now developed an interlayer adaptive crystal that changes its spacing ...

When it comes to priorities in life, oxygen tops the list. Humans can go weeks without food and days without water. Take away the ability to breathe, however, and the clock starts ticking within minutes as the brain begins ...

More than 5,000 years ago, a royal woman named Meretneith (also written as Merneith) lived in ancient Egypt. She was possibly the daughter of Djer, the third king of the First Dynasty, a period when the first kings ruled ...

A new recycling technique could help tackle a major challenge: breaking down some of the toughest plastics without generating large amounts of waste.

Physicists at the University of Oxford have helped confirm that one of the strangest phenomena in physics—quantum entanglement—occurs even among some of the heaviest and most fleeting particles ever created. The discovery, ...

Interacting with animals can make people feel calmer, less lonely and less anxious. A new study from the University of California, Davis, shows that animals play an active role in shaping these interactions and their outcomes.

Exposure to air pollutants, especially small particulate matter (PM2.5 and PM10) and nitrogen dioxide (NO2), may heighten the risk of death by suicide and suicidal thoughts, suggests a pooled data analysis of the available ...

Common, wide-ranging vertebrate species, such as foxes, may be finding more suitable habitat in towns and cities than in the wider landscape, while rarer species—which live in smaller areas—appear to favor different habitats, ...