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| Xenobot reproducing, Source: CNN |
Introduction:
In a groundbreaking development, scientists in the United States have announced that the first-ever living robots, known as xenobots, have gained the ability to reproduce. This unique form of reproduction sets them apart from plants and animals, showcasing an exciting advancement in the field of biological research. Let's delve into the details of this remarkable achievement.
Formation and Characteristics of Xenobots:
Derived from the stem cells of African clawed frogs (Xenopus laevis), which inspired their name, xenobots are incredibly small, measuring less than a millimeter (0.04 inches) in width. Initially introduced in 2020, these tiny entities demonstrated remarkable capabilities such as mobility, cooperative behavior, and self-healing.
Discovery of Unprecedented Reproduction:
Researchers from the University of Vermont, Tufts University, and Harvard University's Wyss Institute for Biologically Inspired Engineering, the brains behind xenobots, have now unveiled a new form of biological reproduction that differs from any known plant or animal reproductive mechanisms. The findings have left scientists astounded by the novelty of this process.
Intriguing Findings:
Professor Michael Levin, co-lead author of the research and director of the Allen Discovery Center at Tufts University, expressed his astonishment at the discovery. Liberating cells from the frog embryo and placing them in a new environment allowed them not only to develop new methods of movement but also to seemingly invent an entirely new way of reproducing.
Organism or Robot?
The xenobots are composed of living stem cells obtained from frog embryos, without any gene manipulation involved. While they exhibit traits commonly associated with robots, such as independent action for human benefit, they are unmistakably organisms made from unaltered frog cells, as emphasized by Josh Bongard, a computer science professor and robotics expert from the University of Vermont.
Kinetic Replication and AI Intervention:
The researchers observed that the initial xenobots, consisting of around 3,000 cells and spherical in shape, could replicate, albeit rarely and only under specific circumstances. This replication process, known as "kinetic replication," had previously been observed at the molecular level but never before at the scale of whole cells or organisms. To enhance this replication, the scientists utilized artificial intelligence (AI) to test billions of body shapes. The AI eventually determined a Pac-Man-like C-shape that proved highly effective. This shape enabled the xenobots to locate and collect stem cells, leading to the formation of new xenobots within a few days.
Implications and Future Potential:
Although the xenobots are still in their early stages of development, comparable to computers from the 1940s, they hold significant potential for various applications. The combination of molecular biology and artificial intelligence could revolutionize tasks in the fields of environmental cleanup, root system examination, and regenerative medicine. For instance, xenobots may play a role in collecting microplastics from oceans and addressing numerous challenges in the human body.
Safety and Regulation:
While the idea of self-replicating biotechnology may raise concerns, the researchers assure that the living machines remain confined to the laboratory and are easily eliminated. Furthermore, the xenobots are biodegradable and subject to regulation by ethics experts. This ensures proper handling and prevents any unintended consequences.
Conclusion:
The breakthrough achieved by scientists in creating xenobots capable of reproduction opens up new possibilities for the future of biological research and technological advancements. These living robots exhibit remarkable potential for various applications, promising to transform fields ranging from environmental conservation to healthcare. As researchers continue to explore and refine this emerging technology, society can anticipate witnessing further groundbreaking discoveries in the realm of living robotics.
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