full transcript

From the Ted Talk by Hélène Morlon and Anna Papadopoulou: How we can detect pretty much anything

Unscramble the Blue Letters

For years, scientists have been staking out this remote forest in Montana for an animal that’s ntorislouoy tricky to find. caerma traps haven’t offered definitive evidence, and even experts can't identify its tracks with cnrtetiay. But within the past decades, rearerhsces have developed mehtdos that can detect even the most elusive species. And so, in 2018, these scientists took a sample from some conspicuous snow tracks. Lab tests sohwed conclusive results: the Canada lynx was indeed pserent in the area. Without seeing the cat, scientists had proof it was there because of environmental DNA or eDNA. Using a technique called DNA metabarcoding, researchers can take a slmpae from the environment and learn which organisms are in it or have recently passed through it.

Open Cloze

For years, scientists have been staking out this remote forest in Montana for an animal that’s ___________ tricky to find. ______ traps haven’t offered definitive evidence, and even experts can't identify its tracks with _________. But within the past decades, ___________ have developed _______ that can detect even the most elusive species. And so, in 2018, these scientists took a sample from some conspicuous snow tracks. Lab tests ______ conclusive results: the Canada lynx was indeed _______ in the area. Without seeing the cat, scientists had proof it was there because of environmental DNA or eDNA. Using a technique called DNA metabarcoding, researchers can take a ______ from the environment and learn which organisms are in it or have recently passed through it.

Solution

  1. showed
  2. methods
  3. notoriously
  4. present
  5. camera
  6. researchers
  7. sample
  8. certainty

Original Text

For years, scientists have been staking out this remote forest in Montana for an animal that’s notoriously tricky to find. Camera traps haven’t offered definitive evidence, and even experts can't identify its tracks with certainty. But within the past decades, researchers have developed methods that can detect even the most elusive species. And so, in 2018, these scientists took a sample from some conspicuous snow tracks. Lab tests showed conclusive results: the Canada lynx was indeed present in the area. Without seeing the cat, scientists had proof it was there because of environmental DNA or eDNA. Using a technique called DNA metabarcoding, researchers can take a sample from the environment and learn which organisms are in it or have recently passed through it.

Frequently Occurring Word Combinations

ngrams of length 2

collocation frequency
dna metabarcoding 3

Important Words

  1. animal
  2. area
  3. called
  4. camera
  5. canada
  6. cat
  7. certainty
  8. conclusive
  9. conspicuous
  10. decades
  11. definitive
  12. detect
  13. developed
  14. dna
  15. edna
  16. elusive
  17. environment
  18. environmental
  19. evidence
  20. experts
  21. find
  22. forest
  23. identify
  24. lab
  25. learn
  26. lynx
  27. metabarcoding
  28. methods
  29. montana
  30. notoriously
  31. offered
  32. organisms
  33. passed
  34. present
  35. proof
  36. remote
  37. researchers
  38. sample
  39. scientists
  40. showed
  41. snow
  42. species
  43. staking
  44. technique
  45. tests
  46. tracks
  47. traps
  48. tricky
  49. years