The document discusses the history and development of chocolate over centuries. It details how chocolate originated from cacao beans used by the Olmecs and Mayans as currency and medicine. Later, the Aztecs and Europeans discovered chocolate and it became popularized as a drink among European nobility in the 16th century before mass production made it accessible to common people in the 19th century.
The document discusses the history and development of artificial intelligence over the past 70 years. It outlines some of the key milestones in AI research from the early work in the 1950s to modern advances in machine learning using neural networks. While progress has been made, fully general human-level artificial intelligence remains an ongoing challenge that researchers are still working to achieve.
The document discusses the benefits of exercise for mental health. It notes that regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise has also been shown to enhance self-esteem and quality of life.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help alleviate symptoms of mental illness and boost overall mental well-being.
Module 1 of the textbook introduces vocabulary and grammar related to family, personal identification, countries and nationalities. It provides opportunities for students to practise describing family members and their appearance, asking for and giving personal information, and describing locations. Some of the key activities included describing one's family in a letter, filling out a library card, and writing a short article about one's country. The module also covers pronunciation of specific sounds and cultural aspects related to the UK and geography.
The document discusses the importance of summarization for processing large amounts of text. Automatic summarization systems aim to generate concise summaries by identifying the most important concepts and events within source texts. However, accurately summarizing texts remains a challenging task that current systems cannot fully achieve at a human level.
The document discusses the history and development of artificial intelligence over the past 70 years. It outlines some of the key milestones in AI research from the early work in the 1950s to modern advances in machine learning using neural networks. While progress has been made, fully general human-level artificial intelligence remains an ongoing challenge that researchers are still working to achieve.
The document discusses the benefits of exercise for mental health. It notes that regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise has also been shown to enhance self-esteem and quality of life.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help alleviate symptoms of mental illness and boost overall mental well-being.
Module 1 of the textbook introduces vocabulary and grammar related to family, personal identification, countries and nationalities. It provides opportunities for students to practise describing family members and their appearance, asking for and giving personal information, and describing locations. Some of the key activities included describing one's family in a letter, filling out a library card, and writing a short article about one's country. The module also covers pronunciation of specific sounds and cultural aspects related to the UK and geography.
The document discusses the importance of summarization for processing large amounts of text. Automatic summarization systems aim to generate concise summaries by identifying the most important concepts and events within source texts. However, accurately summarizing texts remains a challenging task that current systems cannot fully achieve at a human level.