Science & Technology
Study identifies peptide as key mediator in heavy alcohol drinking
Researchers have identified that a peptide called pituitary adenylate cyclase activating polypeptide (PACAP), is involved in heavy alcohol drinking. In addition, they have discovered that this peptide acts in the BNST area.
Can preeclampsia be prevented?
Preeclampsia is a mysterious condition that occurs in about one of 10 pregnancies without any early warning signs. After 20 weeks or more of normal blood pressure during the pregnancy, patients with preeclampsia will begin to experience elevated blood …
Pathogens use force to breach immune defenses, study finds
New research has revealed a previously unknown process through which pathogens are able to defeat a cell’s defense mechanisms with physical force. The discovery represents a potential game-changer in the fight against intracellular pathogens, which cau…
Meditation training can support wellbeing in older adults
Following an 18-month meditation program can improve the wellbeing of older adults, finds a new randomized controlled trial by an international team.
Human behavior guided by fast changes in dopamine levels
A new study shows that dopamine release in the human brain plays a crucial role in encoding both reward and punishment prediction errors. This means that dopamine is involved in the process of learning from both positive and negative experiences, allow…
A color-based sensor to emulate skin’s sensitivity
In a step toward more autonomous soft robots and wearable technologies, researchers have created a device that uses color to simultaneously sense multiple mechanical and temperature stimuli.
Ghostlike dusty galaxy reappears in James Webb Space Telescope image
Astronomers studying images from the James Webb Space Telescope have identified an object as a ‘dusty star-forming galaxy’ from nearly 1 billion years after the Big Bang. They have also discovered more than a dozen additional candidates, suggesting the…
Public gardens contribute to invasives problem
Some nonnative plants cultivated in public gardens or arboretums are escaping to become invasive in wild forests.
Aging societies more vulnerable to collapse
Societies and political structures, like the humans they serve, appear to become more fragile as they age, according to an analysis of hundreds of pre-modern societies. A new study, which holds implications for the modern world, provides the first quan…