Neuroscie
Dolphins’ “Smile” Reveals Playful Intentions
Summary: Bottlenose dolphins use an “open mouth” expression, similar to a smile, during playful interactions with other dolphins. This expression is a signal of fun and playfulness, preventing misunderstandings as…
ChatGPT Matches Radiologists in Brain Tumor Diagnosis Accuracy
Summary: Researchers compared the diagnostic accuracy of GPT-4 based ChatGPT and radiologists using 150 brain tumor MRI reports. ChatGPT achieved 73% accuracy, slightly outperforming neuroradiologists (72%) and general radiologists (68%).…
Reduced Brain Response to Visual Cues Linked to Psychosis in Parkinson’s
Summary: People with Parkinson’s disease (PD) who experience visual hallucinations have reduced brain responses to unexpected visual changes, a marker known as visual mismatch negativity (vMMN). Using EEG, researchers compared…
AI Detects Depression Through Eyes and Facial Cues
Summary: Researchers are developing AI-driven smartphone applications to detect signs of depression non-invasively. One system, PupilSense, monitors pupillary reflexes to identify potential depressive episodes with 76% accuracy. Another tool, FacePsy,…
Life
Nature
Newfound bat skeletons are the oldest on record
Two fossilized bat skeletons unearthed in western Wyoming represent a new species and are the oldest set of bat bones yet discovered, researchers say. The incredibly complete fossils of Icaronycteris…
Astronomy
Traces of antimatter in cosmic rays reopen the search for ‘WIMPs’ as dark matter
The image shows the predicted flux of antihelium-3 produced from dark matter (WIMPs) that annihilate producing these antinuclei. Each color represents the prediction for a different mass of dark matter,…
South America treated to rare ‘ring of fire’ eclipse
The eclipse starts off looking like a ‘bite’ has been taken out of the Sun. Skygazers on the tip of South America were treated Wednesday to a spectacular “ring of…
New super-Neptune exoplanet discovered
TESS Simple Aperture Photometry of TOI-5005. Credit: Castro-González et al., 2024. An international team of astronomers reports the discovery of a new super-Neptune exoplanet orbiting a solar-type star. The newly…
Webb telescope detects traces of carbon dioxide on the surface of Pluto’s largest moon
An SwRI-led team detected carbon dioxide and hydrogen peroxide spectral signatures on Pluto’s largest moon Charon using Webb telescope observations (white), which extend the wavelength coverage of previous New Horizons…
