NK cells are a type of white blood cell and a component of the immune system. They recognise certain proteins, or antigens, on virus-infected or tumour cells and destroy them.
Credit: juan gaertner / science photo library.
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According to main study author Lauren Janczewski, MD, a clinical scholar with ACS Cancer Programs and a general surgery resident at Northwestern University McGaw Medical Center, Chicago, estimated survival rates for cancer patients currently primarily depend on disease stage and do not offer enough details to estimate an accurate survival time.
Researchers have revealed a radical new use of AI — to predict earthquakes.
A team from Tokyo Metropolitan University have used machine-learning techniques to analyze tiny changes in geomagnetic fields.
These allow the system, to predict natural disaster far earlier than current methods.
‘I actually had a conversation with Dad’: — including a plan to harvest DNA from graves to build new clone bodies…
People stricken by grief after losing a loved one are looking to scientific advances in hopes of bringing them back — even if only in a digital form.
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Artificial general intelligence is the big goal of OpenAI. What exactly that is, however, is still up for debate.
According to OpenAI CEO Sam Altman, systems like GPT-4 or GPT-5 would have passed for AGI to “a lot of people” ten years ago. “Now people are like, well, you know, it’s like a nice little chatbot or whatever,” Altman said.
The phenomenon Altman describes has a name: It’s called the “AI effect,” and computer scientist Larry Tesler summed it up by saying, “AI is anything that has not been done yet.”
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Petr Šulc, an assistant professor at Arizona State University’s School of Molecular Sciences, worked with Professor Michael Famulok from the University of Bonn, Germany, and Professor Nils Walter from the University of Michigan on this project.
Holograms provide a three-dimensional (3D) view of objects, offering a level of detail that two-dimensional (2D) images cannot match. Their realistic and immersive display of 3D objects makes holograms incredibly valuable across various sectors, including medical imaging, manufacturing, and virtual reality.
Traditional holography involves recording an object’s three-dimensional data and its interactions with light, a process that demands high computational power and the use of specialized cameras for capturing 3D images. This complexity has restricted the widespread adoption of holograms.
Some have described the last several millennia of human dominion over the earth’s resources as the anthropocene, deriving from the Greek “anthropo” meaning human, and “cene” meaning recent. The last century in particular has been dubbed the fourth industrial revolution, due to the pace of technological innovation ushered in by the advent of computers in the middle of the 20th century.
In the past seventy years, computation has transformed every aspect of society, enabling efficient production at an accelerated rate, displacing human labour from chiefly production to services, and exponentially augmenting information storage, generation, and transmission through telecommunications.
How did we get here? Fundamentally, technological advancement draws on existing science. Without an understanding of the nature of electromagnetism and the structure of atoms, we wouldn’t have electricity and the integrated circuitry that power computers. It was only a matter of time, then, before we thought of exploiting the most accurate, fundamental description of physical reality provided by quantum mechanics for computation.
Radiotherapy (also called radiation therapy), a commonly used cancer treatment that uses high-energy radiation, can effectively eliminate or shrink various types of tumors. While radiotherapy benefits many cancer patients, the associated side effects can hinder cancer survivors’ quality of life and overall health.
When a patient receives radiation treatments, the radiation damages the DNA. If the DNA damage becomes severe enough, the cancer cell will not recover and will stop dividing and die. Unfortunately, the exact mechanisms by which radiation elicits cancer cell death can cause similar damage in nearby healthy cells, leading to significant toxicities in some cases.
Many malignancies that develop in the pelvic region, including urinary and rectal cancers, are susceptible to pelvic radiotherapy. Some patients receiving pelvic radiotherapy develop debilitating bowel symptoms, including intestinal inflammation. Doctors do not fully understand these clinical challenges despite the common occurrence of bowel symptoms following pelvic radiotherapy. A better understanding of the link between radiation and bowel damage could help doctors manage cancer treatment more optimally, enhancing survivorship.
