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Urban farming and sustainable agriculture are innovative approaches to food production within urban environments. Utilizing vertical gardens, hydroponics, and rooftop plots, urban farms maximize limited space. They reduce transportation emissions and increase food security by providing local, fresh produce. Sustainable practices, like composting and rainwater harvesting, minimize environmental impact. Moreover, urban farming fosters community engagement and education about food systems.

Quantum computing leverages the principles of quantum mechanics to perform complex computations at speeds unattainable by classical computers. It employs quantum bits (qubits) that can exist in multiple states simultaneously. This technology holds promise for cryptography, as quantum algorithms can break current encryption methods. It also shows potential in optimization tasks, drug discovery, and simulating quantum systems. Despite being in its infancy, quantum computing presents a paradigm shift in information processing, with broad implications for fields like finance, materials science, and artificial intelligence.

Climate change has profound effects on the world's oceans. Rising temperatures lead to thermal expansion and ice melt, causing sea levels to rise. Ocean acidification occurs as seawater absorbs excess carbon dioxide, endangering marine life like coral reefs and shellfish. Altered temperatures disrupt ecosystems, affecting migration patterns and endangering species. Extreme weather events, intensified by climate change, lead to coastal erosion and habitat loss. Additionally, warmer waters can intensify hurricanes and typhoons.

The psychology of decision-making explores the processes that individuals use to choose between options. It delves into factors like cognitive biases, heuristics, and emotions that influence choices. Prospect theory, for instance, highlights how people weigh potential gains and losses asymmetrically. Additionally, the framing effect shows that the way options are presented can alter decisions. Understanding these psychological nuances aids in fields ranging from economics to behavioral science, providing insights into why and how people make the choices they do.

Ancient civilizations emerged around 3500 BCE with Sumerians in Mesopotamia, known for cuneiform writing and advanced irrigation. Egypt followed, flourishing along the Nile with the Great Pyramids and hieroglyphics. Indus Valley Civilization in South Asia displayed remarkable urban planning by 2500 BCE. Ancient China's Shang Dynasty brought early Chinese script and bronze metallurgy around 1600 BCE. Greece's Minoans and Mycenaeans predated the classical era, while the Roman Empire dominated Europe, North Africa, and the Middle East from 27 BCE to 476 CE. These civilizations laid foundations for human progress in arts, sciences.