This video explains germline mutations vs somatic mutations.
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Different plant species can be compatible with the same species of mycorrhizal fungi1,2 and be connected to one another by a common mycelium3,4. Transfer of carbon3,4,5, nitrogen6,7 and phosphorus8,9 through interconnecting mycelia has been measured frequently in laboratory experiments, but it is not known whether transfer is bidirectional, whether there is a net gain by one plant over its connected partner, or whether transfer affects plant performance in the field10,11. Laboratory studies using isotope tracers show that the magnitude of one-way transfer can be influenced by shading of ‘receiver’ plants3,5, fertilization of ‘donor’ plants with phosphorus12, or use of nitrogen-fixing donor plants and non-nitrogen-fixing receiver plants13,14, indicating that movement may be governed by source–sink relationships.
Posted in futurism
Blog post: https://openai.com/blog/new-and-improved-embedding-model/
Abstract: We are excited to announce a new embedding model which is significantly more capable, cost effective, and simpler to use. The new model, text-embedding-ada-002, replaces five separate models for text search, text similarity, and code search, and outperforms our previous most capable model, Davinci, at most tasks, while being priced 99.8% lower.
#nlproc #nlp #artificialintelligence #ml #deeplearning
Posted in futurism
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Summary: A bee’s “waggle dance”, an intricate series of motions that signals the location of critical resources to other bees, is improved by social learning and can be culturally transmitted.
Source: UCSD
Passing down shared knowledge from one generation to the next is a hallmark of culture and allows animals to rapidly adapt to a changing environment.
Roboticists have developed many advanced systems over the past decade or so, yet most of these systems still require some degree of human supervision. Ideally, future robots should explore unknown environments autonomously and independently, continuously collecting data and learning from this data.
Researchers at Carnegie Mellon University recently created ALAN, a robotic agent that can autonomously explore unfamiliar environments. This robot, introduced in a paper pre-published on arXiv and set to be presented at the International Conference of Robotics and Automation (ICRA 2023), was found to successfully complete tasks in the real-world after a brief number of exploration trials.
“We have been interested in building an AI that learns by setting its own objectives,” Russell Mendonca, one of the researchers who carried out the study, told Tech Xplore. “By not depending on humans for supervision or guidance, such agents can keep learning in new scenarios, driven by their own curiosity. This would enable continual generalization to different domains, and discovery of increasingly complex behavior.”
Posted in futurism
FallenKingdomReads’ Beginner’s Guide to The Dark Tower by Stephen King
The Dark Tower is a series of novels written by the American author Stephen King. The series is a blend of several genres, including dark fantasy, horror, and western. The series follows the journey of the protagonist, Roland Deschain, as he seeks the Dark Tower, a mythical structure that is said to be the center of all universes.
In the Saudi Arabian desert, the Al Naslaa rock formation looks completely unnatural. Its perfectly vertical split remains a mystery.
Their popularity makes celebrities easy to spot. Strangers, however, can also get mistaken for celebrities, resulting in cases of false “celebrity sightings.” In attempting to explain the contradiction, a University of California, Riverside, study reports that celebrity faces are remembered more precisely but less accurately.
Precision, in this context, refers to how memories for a particular face resemble each other over repeated memory retrievals, which can be likened to the clustering of arrows on a target in archery. Accuracy measures how remembered faces resemble newly encountered faces—or the deviation from the target in archery.
“What our findings say is that people might accept errors by misidentifying someone as a celebrity in the interest of securing a ‘celebrity sighting,’” said Weiwei Zhang, an associate professor of psychology, who led the study that appears in the journal Psychonomic Bulletin & Review. “Our study explains why people are good and bad at spotting celebrities and highlights the importance of assessing both memory imprecision and bias in memory performance.”
