How does the brain turn waves of light into experiences of color?

How does the brain turn waves of light into experiences of color?

Perceiving something — anything — in your surroundings is to become aware of what your senses are detecting. Today, Columbia University neuroscientists identify, for the first time, brain-cell circuitry in fruit flies that converts raw sensory signals into color perceptions that can guide behavior. Their findings were pulbished in the journal Nature Neuroscience. “Many of … Read more

Medical historians examine organization’s silence over rise of Nazism

Medical historians examine organization’s silence over rise of Nazism

Joelle Abi-Rached and Allan Brandt discussed their contribution to the NEJM series on key historical injustices in medicine, including the rise of Nazi Germany. Credit: Kris Snibbe/Harvard Staff Photographer In December, the New England Journal of Medicine began a process of self-examination, publishing articles about the journal itself and its handling of a series of … Read more

Very early blood pressure control confers both benefits and harms in acute stroke

How does the brain turn waves of light into experiences of color?

Early identification of stroke type could be key to harnessing the benefits of very early in-ambulance blood pressure lowering treatment in patients with suspected acute stroke, according to new research. The findings were presented at the 10th European Stroke Organisation Conference in Basel, Switzerland and simultaneously published in the New England Journal of Medicine.1 Professor … Read more

The impact of inter-satellite links on the ECOM model performance for BDS‑3 MEO satellites

The impact of inter-satellite links on the ECOM model performance for BDS‑3 MEO satellites

SRP acceleration differences between the solution E1 and E1I for C20 in the along-track (a), cross-track (b), radial (c) and D (d), Y (e), B (f) direction. Credit: Satellite Navigation Inter-satellite link (ISL) plays an essential role in current and future Global Navigation Satellite System (GNSS). A recent study, conducted by Wuhan University’s GNSS Research … Read more

Researchers wrestle with accuracy of AI technology used to create new drug candidates

How does the brain turn waves of light into experiences of color?

Artificial intelligence (AI) has numerous applications in healthcare, from analyzing medical imaging to optimizing the execution of clinical trials, and even facilitating drug discovery. AlphaFold2, an artificial intelligence system that predicts protein structures, has made it possible for scientists to identify and conjure an almost infinite number of drug candidates for the treatment of neuropsychiatric … Read more

Detecting influence campaigns on X with AI and network science

Detecting influence campaigns on X with AI and network science

Credit: Pixabay/CC0 Public Domain In the age of generative-AI and large language models (LLMs), massive amounts of inauthentic content can be rapidly broadcasted on social media platforms. As a result, malicious actors are becoming more sophisticated, hijacking hashtags, artificially amplifying misleading content, and mass resharing propaganda. These actions are often orchestrated by state-sponsored information operations … Read more

Only the Astronauts by Ceridwen Dovey review – playful and deeply moving close encounters | Books

Only the Astronauts by Ceridwen Dovey review – playful and deeply moving close encounters | Books

Telling stories from the perspectives of dead animals was, Ceridwen Dovey admits, “a tiny bit nutty”. Only the Astronauts – a “sequel of sorts” to her book Only the Animals – is a bolder and madder venture again. This time Dovey’s first-person narrators are inanimate objects which have been launched into outer space, including the … Read more

Chad Daybell trial live: Jurors hear jail phone call with Lori Vallow revealing he was texting her dead brother

Chad Daybell trial live: Jurors hear jail phone call with Lori Vallow revealing he was texting her dead brother

Chad Daybell gets emotional as 911 call is played at his murder trial The latest headlines from our reporters across the US sent straight to your inbox each weekday Your briefing on the latest headlines from across the US Jurors listened to never-before-heard jail phone calls in a Boise, Idaho courtroom on Wednesday that revealed … Read more