Taking a dose of the oral antibiotic doxycycline after a high-risk sexual encounter has dramatically reduced the incidence of sexually transmitted infections (STIs) in places where the strategy is ...

For the first time, scientists have taken near-daily measurements of the Sun's global coronal magnetic field, a region of the Sun that has only been observed irregularly in the past. The resulting ...

Researchers have developed a noninvasive way of using bioluminescent optogenetics to activate parts of the brain.

Overweight is a major contributor to complications during pregnancy and childbirth -- this applies to both women born in Sweden and women who have moved here, something that has not been well ...

According to a new study, colonies of ants began farming fungi when an asteroid struck Earth 66 million years ago. This asteroid impact caused a global mass extinction but also created ideal ...

Mindset and expectations, not just the external environment, shape the 'table of contents' into which our brains organize the day.

The extinction of hundreds of bird species caused by humans over the last 130,000 years has led to substantial reductions in avian functional diversity -- a measure of the range of different roles and ...

Deposits of ice in lunar dust and rock (regolith) are more extensive than previously thought, according to a new analysis of data from NASA's LRO (Lunar Reconnaissance Orbiter) mission. Ice would be a ...

Psychological distress is common amongst those living with food allergy, but a new study has shown that little support is available to those who are struggling.

Mathematicians have developed a recipe for upgrading quantum computers to simulate complex quantum systems, such as molecules. Their discovery brings us closer to being able to predict how new drugs ...

Researchers have discovered inorganic nanostructures surrounding deep-ocean hydrothermal vents that are strikingly similar to molecules that make life as we know it possible. These nanostructures are ...

A research team analyzed how diabetes mellitus and obesity factor into recurrence and survival after surgery for hepatocellular carcinoma, a type of liver cancer.