Summary: Researchers have developed a way to measure stress in baby chicks using vocalizations, offering new insights into animal emotions. The study found that chicks alone produced higher-pitched, louder calls,…
Category: Life
The ‘Mekong ghost’ megafish has resurfaced after an extinction scare
The “Mekong ghost” fish is a ghost no more. Like the legendary Rip Van Winkle, who wandered into the woods and disappeared for 20 years, the giant salmon carp (Aaptosyax…
How insects can help catch rhino poachers
In 1988, police officers in Australia came for Ian Dadour. Not because the entomologist was under arrest, but because they needed his expertise. Investigators asked Dadour to estimate the ages…
Brain Signals Reveal How Aggression and Arousal Are Encoded
Summary: New research has uncovered that brain signals for aggression in male mice and sexual arousal in female mice are encoded by similar neural mechanisms. The studies found that a…
Polar bears are being exposed to more pathogens as the climate warms
Polar bears face mounting challenges in a changing, warming world, mostly related to their waning wintery wonderland habitats. But they may be increasingly infected with germs and parasites, too. Compared…
Happy Partners Help Reduce Stress in Older Adults
Summary: Having a happy intimate partner can lower stress levels in older adults by reducing the production of cortisol, a stress hormone. Couples with higher relationship satisfaction experience an even…
Emotional Blindness Drives Empathy Deficits in Psychopathy
Summary: A new study links psychopathy with alexithymia, or emotional blindness, which may explain the emotional deficits seen in people with psychopathic traits. Individuals with strong psychopathic traits struggle to…
