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Today you\u2019ll learn about what it means for the planet now that we\u2019ve reached a global population of 8 billion people, how leprosy might be able to repair damaged livers, and some information about an asteroid that\u2019s been dubbed a, \u201cPlanet-killer.\u201d

World Population Reaches 8 Billion\xa0

• \u201cThe world population has now reached 8 billion\u201d by Allison Gasparini
  • https://www.sciencenews.org/article/world-population-8-billion-humans-earth
• \u201cDay of 8 Billion\u201d by United Nations
  • https://www.un.org/en/dayof8billion
• \u201cWorld population hits 8 billion: What does it mean for the planet?\u201d by CGTN
  • https://newseu.cgtn.com/news/2022-11-19/World-population-hits-8-billion-What-does-it-mean-for-the-planet--1f47kiG46qs/index.html#:~:text=On%20November%2015%202022%2C%20the,billion%20people%20in%20around%202080.
• \u201cThe World Population Just Hit 8 Billion and Here\u2019s How It Will Continue to Grow\u201d by David Adam
  • https://www.scientificamerican.com/article/the-world-population-just-hit-8-billion-and-heres-how-it-will-continue-to-grow/

Leprosy\xa0

• \u201cLeprosy: Ancient disease able to regenerate organs\u201d By James Gallagher
  • https://www.bbc.com/news/health-63626239.amp
• \u201cIn vivo partial reprogramming by bacteria promotes adult liver organ growth without fibrosis and tumorigenesis\u201d by Samuel Hess et al.
  • https://www.cell.com/cell-reports-medicine/fulltext/S2666-3791(22)00379-2?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS2666379122003792%3Fshowall%3Dtrue
• \u201cLeprosy bacteria use 'biological alchemy'\u201d by James Gallagher
  • https://www.bbc.com/news/health-21056644

Planet-Killer\xa0

• \u201cLargest potentially hazardous asteroid detected in 8 years\u201d by National Science Foundation
  • https://beta.nsf.gov/news/largest-potentially-hazardous-asteroid-detected-8
• \u201cA Deep and Wide Twilight Survey for Asteroids Interior to Earth and Venus\u201d by Scott S. Sheppard et al.
  • https://iopscience.iop.org/article/10.3847/1538-3881/ac8cff

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Find episode transcripts here: https://curiosity-daily-4e53644e.simplecast.com/episodes/world-population-reaches-8-billion-leprosy-planet-killer

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