ReportWire

Tag: tech ethics

  • WTF Fun Fact 13625 – AI and Realistic Faces

    WTF Fun Fact 13625 – AI and Realistic Faces

    [ad_1]

    Researchers at The Australian National University (ANU) have found that AI-generated faces now appear to be more realistic faces than those of actual humans. But that’s only true if the AI is generating the faces of white people.

    This development raises crucial questions about AI’s influence on our perception of identity.

    Training Bias in AI

    This study reveals a concerning trend. People often see AI-generated white faces as more human than real ones. Yet, this isn’t the case for faces of people of color.

    Dr. Amy Dawel attributes this to AI’s training bias. AI algorithms have been fed more white faces than any other. This imbalance could increase racial biases online. It’s especially troubling in professional settings, like headshot creation. AI often alters skin and eye colors of people of color, aligning them more with white features.

    The Illusion of AI Realistic Faces

    Elizabeth Miller, co-author of the study, highlights a critical issue. People don’t realize they’re being fooled by AI faces. This unawareness is alarming. Those who mistake AI faces for real ones are often the most confident in their judgment.

    Although physical differences between AI and human faces exist, they’re often misinterpreted. People see AI’s proportionate features as human-like. Yet, AI technology is evolving rapidly. Soon, distinguishing AI from human faces could become even more challenging.

    This trend could significantly impact misinformation spread and identity theft. Dr. Dawel calls for more transparency around AI.

    Keeping AI open to researchers and the public is essential. It helps identify potential problems early. Public education about AI’s realism is also crucial. An informed public can be more skeptical about online images.

    Public Awareness and Tools for Detection

    As AI blurs the line between real and synthetic, new challenges emerge. We need tools to identify AI imposters accurately. Dr. Dawel suggests educating people about AI’s realism. Such knowledge could foster skepticism about online images. This approach might reduce risks associated with advanced AI.

    ANU’s study marks a significant moment in AI development. AI’s ability to create faces now surpasses human perception in certain cases. The implications are vast, touching on identity and the potential for misuse.

    As AI evolves, transparency, education, and technological solutions will be key. We must navigate these challenges collectively to ensure AI’s responsible and beneficial use.

    — WTF fun facts

    Source: “AI faces look more real than actual human face” — ScienceDaily

    [ad_2]

    WTF

    Source link

  • WTF Fun Fact 13613 – First Chimeric Monkey

    WTF Fun Fact 13613 – First Chimeric Monkey

    [ad_1]

    Researchers have made a monumental stride in primate research by making the first chimeric monkey.

    This marks the first successful birth of a chimeric monkey from embryonic stem cell lines. This scientific achievement has profound implications for the fields of genetic engineering, species conservation, and biomedical studies.

    Understanding Chimerism in Primates

    The study, led by senior author Zhen Liu of the Chinese Academy of Sciences, culminated in the birth of a monkey with cells originating from two distinct embryos. Until now, this feat of chimerism had been achieved only in smaller mammals such as rats and mice. Published in the prestigious journal Cell, the research opens new avenues for understanding pluripotency. That’s the capability of stem cells to differentiate into any cell type—in non-human primates and possibly humans.

    The cynomolgus monkeys, commonly used in biomedical research, served as the subjects for this groundbreaking experiment. The researchers established nine stem cell lines from blastocyst embryos and selected a subset of these pluripotent cells to inject into early-stage monkey embryos. This meticulous process led to several pregnancies and the birth of six live monkeys. One of these showcased a substantial level of chimerism.

    The Making of a Chimeric Monkey

    The researchers tagged the stem cells with green fluorescent protein. This enabled them to trace which tissues originated from the stem cells. Extensive analysis revealed that the chimeric monkey exhibited a wide distribution of stem-cell-derived tissues across the brain, heart, kidney, liver, and gastrointestinal tract. Remarkably, the live monkey displayed stem cell contributions ranging from 21% to 92% across various tissues, averaging 67%.

    The presence of stem-cell-derived cells in the reproductive tissues was a significant discovery. It underscors the potential for these cells to contribute to the germline and possibly influence future generations.

    Implications and Future Directions

    The success of this study is not merely academic. It has practical implications, offering the potential to create more precise monkey models for neurological and other biomedical research. By enhancing the understanding of primate cell developmental potential, the study paves the way for innovative approaches in medical science.

    Looking ahead, the team aims to refine their method to increase the efficiency of generating chimeric monkeys. They plan to optimize the stem cell cultures and the blastocysts’ environments, hoping to improve the survival rates of these embryos in host animals.

    In conclusion, the birth of the first chimeric monkey from embryonic stem cells is a remarkable scientific milestone. It broadens our knowledge of primate biology and holds promise for future applications that could benefit both primate conservation and human health.

    — WTF fun facts

    Source: “First live birth of a chimeric monkey using embryonic stem cell lines” — ScienceDaily

    [ad_2]

    WTF

    Source link