full transcript

From the Ted Talk by George Whitesides: A lab the size of a postage stamp

Unscramble the Blue Letters

Now, you say, "If paper is a good idea, other people have sruley thought of it." And the aswenr is, of course, yes. Those half of you, roughly, who are women, at some point may have had a pregnancy test. And the most common of these is in a device that looks like the thing on the left. It's something caelld a lateral-flow immunoassay. In that particular test, urine, either containing a hoonmre called hCG, does or does not flow across a piece of paper. And there are two bars; one bar indicates that the test is wrniokg, and if the second bar shows up, you're pregnant.

Open Cloze

Now, you say, "If paper is a good idea, other people have ______ thought of it." And the ______ is, of course, yes. Those half of you, roughly, who are women, at some point may have had a pregnancy test. And the most common of these is in a device that looks like the thing on the left. It's something ______ a lateral-flow immunoassay. In that particular test, urine, either containing a _______ called hCG, does or does not flow across a piece of paper. And there are two bars; one bar indicates that the test is _______, and if the second bar shows up, you're pregnant.

Solution

  1. called
  2. working
  3. answer
  4. surely
  5. hormone

Original Text

Now, you say, "If paper is a good idea, other people have surely thought of it." And the answer is, of course, yes. Those half of you, roughly, who are women, at some point may have had a pregnancy test. And the most common of these is in a device that looks like the thing on the left. It's something called a lateral-flow immunoassay. In that particular test, urine, either containing a hormone called hCG, does or does not flow across a piece of paper. And there are two bars; one bar indicates that the test is working, and if the second bar shows up, you're pregnant.

Frequently Occurring Word Combinations

ngrams of length 2

collocation frequency
health care 5
diagnostic system 2
awful lot 2
wax printer 2
compute capability 2
blood cells 2
light source 2

Important Words

  1. answer
  2. bar
  3. called
  4. common
  5. device
  6. flow
  7. good
  8. hcg
  9. hormone
  10. idea
  11. immunoassay
  12. left
  13. paper
  14. people
  15. piece
  16. point
  17. pregnancy
  18. pregnant
  19. roughly
  20. shows
  21. surely
  22. test
  23. thought
  24. urine
  25. women
  26. working