Biology
What Is Gene Therapy and How Does It Work?
Gene therapy changes genetic material or gene expression in a patient's cells to treat disease. The term covers several strategies, including adding a functional gene, s…
Work
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3,220 published items.
Discover science
How Does a Nuclear Reactor Work?
A nuclear reactor controls a self-sustaining fission chain reaction so that heat can be removed safely and used for a practical purpose such as generating electricity, p…
Discover science
What Is Nuclear Energy and How Does Nuclear Power Work?
Nuclear power generates heat from fission, the splitting of heavy atomic nuclei such as uranium. A power plant uses that heat to make steam and drive a turbine-generator…
Oceanography
How Does a Coral Reef Ecosystem Work?
A coral reef ecosystem is a network of corals, algae, fishes, invertebrates, microbes and physical processes that recycle energy and nutrients in nutrient-poor tropical…
Environment
How Do Climate Models Work?
Climate models are mathematical representations of the atmosphere, ocean, land, ice and the exchanges of energy and matter among them. They are built from physical laws…
Environment
How Do Weather Forecasting Models Work?
Weather forecasting models are computer simulations that estimate how the atmosphere will evolve from an analyzed starting state. They translate physical laws into numer…
Health
How Do Clinical Trials Work?
Clinical trials are prospective studies in which people take part so researchers can evaluate interventions, prevention strategies, diagnostics or other health-related a…
Biology
What Is Neuroscience and How Does the Brain Work?
Neuroscience is the study of the nervous system—from molecules and individual neurons to circuits, behavior and cognition—and the brain works by coordinating electrical…
Discover science
How Does a Fusion Reactor Work?
A fusion reactor aims to create a hot plasma in which light nuclei fuse, confine or compress that plasma long enough to release useful energy, then capture the energy in…
New technology
How Do Lithium-Ion Batteries Work?
Lithium-ion batteries store and release energy by moving lithium ions between two electrodes through an electrolyte while electrons travel through the external circuit t…
Computer science
How Does Quantum Error Correction Work?
Quantum error correction protects fragile quantum information by encoding one logical qubit across several physical qubits and repeatedly measuring error information wit…
New technology
What Are Humanoid Robots and How Do They Work?
Humanoid robots are machines whose body layout or behavior resembles aspects of the human form, often combining sensors, motors, control software, and AI to move and wor…
New technology
How Do Batteries Work?
Batteries store energy in chemical form and release electrical energy when reactions drive electrons through an external circuit and ions through an electrolyte.
Biology
What Are Neurons and How Do They Work?
Neurons are electrically excitable cells that receive, process, and transmit information through electrical signals and chemical communication at synapses.
AI - Artificial intelligence
What Are AI Agents and How Do They Work?
AI agents are software systems that can pursue goals by observing a situation, planning steps, using tools, taking actions, and checking the results with limited supervi…