Outros livros que poderiam interessá-lo

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  Younger Dryas Period The: The...

  Editors Charles River

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  From about 12,900 to 11,700 before present (BP), near Ice Age conditions returned to the Northern Hemisphere of the planet. It was a sudden shift from the warm temperatures that had prevailed for nearly 2,000 years. This period is referred to by archaeologists, geologists, and earth scientists as the Greenland Stadial, but it is more commonly known as the Younger Dryas. The Younger Dryas marked the end of the last glacial period, the end of the Pleistocene Era, and the beginning of the Holocene Era, which is the current era. It was a period of great change, when climate change happened quite quickly, directly affecting the flora, fauna, and humans of the Northern Hemisphere in the process. The impact on the human populations was perhaps most important because, in some places, it virtually destroyed emerging cultures, while in other places, it might have propelled humans to develop new survival traits and technologies later used to move humanity into the Neolithic era. Although scholars now know quite a bit about the Younger Dryas, many elements of it are still debated. Other aspects serve as a predictor of what humans can expect in the future. 
  	There is, however, still plenty of information about the Younger Dryas that remains unknown or open to debate. Not all scholars agree on the dates of the Younger Dryas or how long it lasted. Even more controversial are the alternate theories about what caused the Younger Dryas and the effect it had on the Northern Hemisphere’s bio-populations. This book examines the background of the Younger Dryas, its effects on bio-populations, and how it contributed to the emergence of the Neolithic Era. Alternative theories will be examined and compared to more standard ideas currently prevailing in academia.

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  Algorithm

  Introbooks Team

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  A scrutiny of how algorithm has been widely used in order to perform any task has been done here. The step-by-step solution to any problem is an algorithm.  
  The set of rules and steps which should be followed so that the task is performed smoothly, is called an algorithm. It is the guidelines presented/ listed in a systematic way which is required while performing the task. 
  The era of modernization where computer holds almost all the importance is also based on an algorithm. There are multiple problem-solving operations which require certain guidelines so that the goals are achieved. The languages of the computer which builds a relation between machine and humans work on these algorithms. No wonder the world knows what to do and how but the computer needs guidelines! 
  The instructions provided by the user makes it possible for the computer to work out the problem-solving statement. There have to be some standards of the algorithm that the device should understand. The algorithm is not only used in computers but it also holds great utilization in cooking and mathematics. 
  The algorithm can be in various ways but as for coding there are has to be certain specific coded terms. The algorithm should be simple so that it is easy to understand and can be followed. There are various areas where algorithms are used in mathematics. The big problems which need expert solutions need proper methodology. This method is provided by algorithms. It is not necessary that the algorithms should be short. It varies from problem to problem. The mathematics subject has always been a tough one. Many difficult problems need proper step-by-step explanation. The different answers to various problems can be efficiently explained by algorithms provided. The simpler specifications help to solve bigger problems as well. The algorithm contains the constrained set of instructions in understandable language. The more procedure-oriented problems appear more need of algorithm is required. The algorithm used in computers is different based on the type of problem. The algorithm can be of several types in computers, such as string operator type, recursive backtracking and divide and operator. Randomized operator algorithms are also of great use. There are various properties of algorithms such as they should be input and output specified. They should be definite and effective. The finiteness of algorithm should be maintained by the means of input and output specified. It means that the input should be given to the processor and then output should be received. The moment when a computer receives the input, the command is achieved and it starts its working to produce the output. The relation between the input and output should be maintained. The algorithm should be specific and if these properties are hindered, the system is malfunctioned. The command and coding require a brief introduction. The algorithm provided is that brief instruction which acts as the helping hand for the coder. 
  Not only in computers, but even in mathematics, the formula provided is kind of a helping hand for any problem. The algebraic problems are in need of some pre-instructions which ensure the absolute results.

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  Prolonged Casualty Care -...

  Aebhric O'Kelly

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  Prolonged Casualty Care is a comprehensive, clinically grounded audiobook designed for medical responders operating in austere, remote, and high-threat environments where evacuation is delayed or denied. Built upon contemporary Tactical Combat Casualty Care (TCCC) doctrine and the Joint Trauma System Prolonged Casualty Care guidelines, this audiobook provides a structured progression from immediate battlefield trauma management into the realities of sustained, resource-limited care. 
  The content is written for listeners qualified at the Combat Life Saver level or higher and systematically expands into the clinical, nursing, logistical, and decision-making challenges that define prolonged care. Each chapter follows a clear minimum, better, best framework, allowing practitioners to adapt evidence-based interventions to their available resources, skill level, and operational constraints. Topics include haemorrhage control, airway and ventilation, circulation and resuscitation, head injury and temperature management, pain and sedation, antibiotics and sepsis, wound and burn care, nursing interventions, documentation, communications, and telemedicine support. 
  More than a procedural guide, Prolonged Casualty Care emphasises clinical judgement, reassessment, and systems thinking over time. It prepares medics, clinicians, and medical planners to sustain life, preserve function, and prevent secondary injury when definitive care is not immediately accessible. 
  This audiobook is based on the Joint Trauma Systems' Clinical Practice Guidelines for PCC. It also draws from Dr Rocky Farr's book called 'The end of the Golden Hour' which can be downloaded for free here. https://tinyurl.com/Rocky-Farr 
  This audiobook is intended as both a standalone learning resource and a doctrinal companion for advanced training programmes in prolonged field care, remote medicine, and operational healthcare.

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  Introduction to Chemistry

  Introbooks Team

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  Chemistry studies the nature (atomic and molecular structure, etc.), properties, composition and transformations of matter. Here are some benefits that chemistry can provide: 
  ♦ fabrics of the clothes we use in day-to-day are materials obtained through the development of Chemistry;the artificial fibers (nylon, tergal, etc.), synthetic rubbers, plastics, part of a group of materials called polymers; polymers have been numerous applications: plastic bags, towels, bottles, plastic pipes, electrical coatings, toys, records, upholstery, pan coatings; 
  Biochemistry has allowed not only to know precise mechanisms of the body, such as influence them, enabling the development of molecular biology and pharmacology, fundamental to the progress of medicine. And in the area of ​​Food Engineering, for example, is that chemistry plays a significant role? Yes. It is vital! 
  For example, the food industry uses the so-called "additives": substances are capable of providing the following foods: - antioxidant (inhibits the oxidation process); - Preservatives (increase durability); - Stabilizers (helps keep emulsions and suspensions); - Sweeteners (transmits sweet taste to products), etc. Most countries have four types of artificial sweeteners found in the consumer market: - saccharin (Pan American) - the CYCLAMATE (Brasfanta) - the ACESULFAME-K (Hoechst) - aspartame (Monsanto). Obtaining these sweeteners requires well-established synthetic routes developed in research in the field of chemistry. To understand the metabolism of sweeteners in humans and investigate the toxicity mechanisms have been proposed that involve a series of chemical reactions (w / details, see ref. *). As can be seen, chemistry has provided numerous benefits to humanity. On the other hand, we can not forget that many chemical processes are responsible for the degradation of the environment in which we live.

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  Bitcoin Price Prediction using...

  Bryan DeHart

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  This podcast explores Bitcoin price prediction using machine learning techniques. It focuses on the use of the XGBoost classifier, demonstrating its high accuracy (99.08%) compared to other algorithms such as logistic regression, SVM, and Random Forest. The study analyzes a historical Bitcoin price dataset, applying data preprocessing and evaluating model performance through metrics such as accuracy, recall, and F1 score. The results show the effectiveness of XGBoost in predicting Bitcoin price changes, offering valuable insights for investors. Future research is discussed to improve the model's accuracy by integrating additional data and ensemble learning techniques.

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  ChatGPT talks on science for...

  Paulo Dario

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  This book follows a series of "conversations" with these tools, mainly with "chatGPT 4.0" but also with "Bard". It's well known that chatGPT is hampered in its research up to a certain point in time and, because they are language modeling tools, they end up inventing... a lot, especially in bibliographic references. However, accessory tools are emerging that make it possible to improve and even correct this situation, tools that will certainly become much more powerful in the future, but which are already a reality. So, using all these AI tools, a book has been created that aims to be a pedagogical tool that answers a series of questions that can be asked by secondary and higher education students, or even people who are just interested in these issues, but who don't have the access or predisposition to use these types of AI tools.

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