full transcript
"From the Ted Talk by Peter Ward: A theory of Earth's mass extinctions"

Unscramble the Blue Letters

But there's two fates to everything, isn't there? Now, a lot of you are going to die of old age, but some of you, horribly enough, are going to die in an accident. And that's the fate of a penalt, too. Earth, if we're lucky enough — if it doesn't get hit by a Hale-Bopp, or gets blasted by some supernova nearby in the next seven bilioln years — we'll find under your feet. But what about accidental death? Well, paleontologists for the last 200 years have been charting death. It's strange — extinction as a conpcet wasn't even thoghut about until Baron Cuvier in France found this first mastodon. He couldn't match it up to any bones on the planet, and he said, Aha! It's extinct. And very soon after, the fsiosl rcerod started yielding a very good idea of how many palnts and animals there have been since complex life really began to leave a very interesting fossil record. In that complex record of fsisols, there were times when lots of sfutf seemed to be dying out very quickly, and the father/mother geologists called these "mass extinctions."

Open Cloze

But there's two fates to everything, isn't there? Now, a lot of you are going to die of old age, but some of you, horribly enough, are going to die in an accident. And that's the fate of a ______, too. Earth, if we're lucky enough — if it doesn't get hit by a Hale-Bopp, or gets blasted by some supernova nearby in the next seven _______ years — we'll find under your feet. But what about accidental death? Well, paleontologists for the last 200 years have been charting death. It's strange — extinction as a _______ wasn't even _______ about until Baron Cuvier in France found this first mastodon. He couldn't match it up to any bones on the planet, and he said, Aha! It's extinct. And very soon after, the ______ ______ started yielding a very good idea of how many ______ and animals there have been since complex life really began to leave a very interesting fossil record. In that complex record of _______, there were times when lots of _____ seemed to be dying out very quickly, and the father/mother geologists called these "mass extinctions."

Solution

  1. thought
  2. fossil
  3. record
  4. billion
  5. fossils
  6. stuff
  7. planet
  8. plants
  9. concept

Original Text

But there's two fates to everything, isn't there? Now, a lot of you are going to die of old age, but some of you, horribly enough, are going to die in an accident. And that's the fate of a planet, too. Earth, if we're lucky enough — if it doesn't get hit by a Hale-Bopp, or gets blasted by some supernova nearby in the next seven billion years — we'll find under your feet. But what about accidental death? Well, paleontologists for the last 200 years have been charting death. It's strange — extinction as a concept wasn't even thought about until Baron Cuvier in France found this first mastodon. He couldn't match it up to any bones on the planet, and he said, Aha! It's extinct. And very soon after, the fossil record started yielding a very good idea of how many plants and animals there have been since complex life really began to leave a very interesting fossil record. In that complex record of fossils, there were times when lots of stuff seemed to be dying out very quickly, and the father/mother geologists called these "mass extinctions."

ngrams of length 2

collocation frequency
hydrogen sulfide 15
mass extinctions 9
million years 7
carbon dioxide 5
billion years 4
mass extinction 4
rare earth 3
microbial age 3
fossil record 3
south africa 3
million hydrogen 3
critical care 3

ngrams of length 3

collocation frequency
million hydrogen sulfide 3

Important Words

  1. accident
  2. accidental
  3. age
  4. animals
  5. baron
  6. began
  7. billion
  8. blasted
  9. bones
  10. called
  11. charting
  12. complex
  13. concept
  14. cuvier
  15. death
  16. die
  17. dying
  18. earth
  19. extinct
  20. extinction
  21. extinctions
  22. fate
  23. fates
  24. feet
  25. find
  26. fossil
  27. fossils
  28. france
  29. geologists
  30. good
  31. hit
  32. horribly
  33. idea
  34. interesting
  35. leave
  36. life
  37. lot
  38. lots
  39. lucky
  40. mastodon
  41. match
  42. nearby
  43. paleontologists
  44. planet
  45. plants
  46. quickly
  47. record
  48. started
  49. strange
  50. stuff
  51. supernova
  52. thought
  53. times
  54. years
  55. yielding