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Bitcoin: a digital currency known as a cryptocurrency, which uses a proof-of-work consensus to validate transactions and create new units of Bitcoin.
Proof-of-work: a decentralized consensus mechanism that requires members of a network to expend effort solving an arbitrary mathematical puzzle to prevent malicious activity
Blockchain: a record of transactions made in Bitcoin or another cryptocurrency maintained across several linked computers, which can also be used in non-cryptocurrency applications
Mining: the process of validating transactions and creating new Bitcoin or other cryptocurrencies
Sexual selection: a form of natural selection driven by competition between members of a species of one sex for access to mating partners of another sex that favors certain characteristics
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The Cheapest Way To Save A Life
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Vitamin A: A group of nutrients called retinoids used in several different processes in the human body.
Malaria: A serious disease carried by parasites in a certain type of mosquito that feeds on humans.
Value of Life: The economic value used to quantify the benefit of avoiding a fatality
Upstream interventions: Approaches to healthcare that address root causes rather than symptoms.
Night Blindness: An early symptom of Vitamin A deficiency in which the eye is unable to process low levels of light.
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Which is Worse?
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Aqueous humour: The clear fluid filling the space in the front of the eyeball between the lens and the cornea.
Bone remodeling: The continuous process of synthesis and destruction that gives bone its mature structure and maintains normal calcium levels in the body.
Ligament: A short band of tough, flexible fibrous connective tissue which connects two bones or cartilages or holds together a joint.
Sprain: A stretching or tearing of ligaments.
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Why The Ocean Needs Salt
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Salt: chemical compounds made of positively- and negatively-charged particles called “ions” like sodium and chloride
Convection current: the movement of fluid, like water, due to a difference in temperature and/or density
Hydrothermal vent: a fissure on the seafloor that takes in dense ocean water and discharges water heated by volcanic activity below the seafloor.
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Why The Weather Is Worse At The Mall
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Evapotranspiration: the return of water to the atmosphere from the ground surface.
Troposphere: The lowest region of the Earth’s atmosphere, extending usually to around 10 km above the Earth’s surface.
Tropopause: The top-most boundary of the troposphere.
Low Pressure System: An area of relatively low pressure that draws air into it, causing converging winds.
Micro-climate: The climate of a very small or restricted area.
Heat Island: An urban area that has higher average temperatures than its surrounding due to the heat absorption of materials like concrete and asphalt.
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From the creators of the popular science show with millions of YouTube subscribers comes the MinuteEarth podcast. Every episode of the show dives deep into a science question you might not even know you had - but once you hear the answer, you’ll want to share it with everyone you know. Our team of scientists digs into the research and breaks it down into a short, entertaining explanation jam-packed with science facts and terrible puns. We’ll tell the incredible story of how monkeys crossed the Atlantic ocean on natural rafts, and we’ll explain why it gets hotter the deeper you dig underground.
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