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Extinction: the termination of a kind of organism or group of kinds, usually a species
Endangered: a species that is very likely to become extinct in the near future
Microbiome: a community of microorganisms (such as bacteria, fungi, and protists) that inhabit a particular environment and especially the collection of microorganisms living in or on the human body
Hunter-gatherer: a member of a culture in which food is obtained by hunting, fishing, and foraging rather than by agriculture or animal husbandry
Prevotella: a genus of bacteria most commonly found in the microbiome of people who eat a plant-rich diet
DDT: an aromatic organochlorine sometimes used as insecticide banned in the U.S. that tends to accumulate and persist in ecosystems and has toxic effects on many vertebrates
C. diff: (short for Clostridium difficile) a toxin-producing bacterium which can infect the bowel, causing illness with diarrhea and fever, especially in people who have been treated with antibiotics
Antibiotics: an antibacterial substance (such as penicillin, cephalosporin, and ciprofloxacin) that is used to treat or prevent infections by killing or inhibiting the growth of bacteria in or on the body
Probiotics: a microorganism that when consumed (as in a food or a dietary supplement) maintains or restores beneficial bacteria to the digestive tract
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3:30
How to Work From Home as a Team
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5:47
How To Name A Disease (Like COVID-19)
To learn more about this topic, start your googling with these keywords:
Coronaviruses (CoV): a large family of viruses that cause illness ranging from the common cold to more severe diseases such as COVID-19.
Coronavirus Disease 2019 (COVID-19): an infectious disease caused by a new strain of coronavirus that was discovered in 2019 and named a pandemic in 2020.
2009 H1N1 Flu: a pandemic disease that emerged in 2009 caused by the H1N1)pdm09 virus, which was different from any other influenza strain circulating at the time.
World Health Organization (WHO): an organization that directs and coordinates international health within the United Nations system.
1918 Flu: often referred to as the “Spanish flu,” the 1918 influenza pandemic was the most severe pandemic in recent history and caused by an H1N1 virus. There are competing theories for its place of origin, but public health experts agree it did not actually originate in Spain.
Acquired Immune Deficiency Syndrome (AIDS): a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV). It was first named “gay-related immunodeficiency disease (GRID),” despite the fact anyone, regardless of sexuality, is susceptible.
Stigma: a mark of disgrace associated with a particular circumstance, quality, or person.
Pandemic: the worldwide spread of a new disease.
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3:03
Why Don't More Animals Eat Wood?
To learn more about this topic, start your googling with these keywords:
Xylophagy: the eating of wood
Lignin: a class of complex organic polymers that form key structural materials in the support tissues of vascular plants and help make wood rigid.
Cellulose: a polysaccharide consisting of chains of glucose monomers, which is the main constituent of plant cell walls.
Lignin oxidation: a depolymerization method to break bonds in lignin molecules such as ether or carbon–carbon bonds by applying an oxidant such as oxygen.
Depolymerization: the process of breaking down a polymer, such as lignin, into simpler monomers
Trichonympha agilis: a specialized protist that lives in the hindguts of many termite species that breaks down the cellulose in the wood they eat and may contribute to the lignin oxidation process.
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3:18
Where Does One Ocean End And Another Begin?
To learn more about this topic, start your googling with these keywords:
IHO: International Hydrographic Organization
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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.