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Latest Paresh C. Ray Stories

2012-03-28 09:07:45

Take an ounce of lettuce, test it for 17 hours, and the results show whether that mainstay ingredient in green salads is contaminated with Salmonella, the food poisoning bacteria that sickens millions of people each year. Another traditional test takes 72 hours to complete. How about a test that identifies Salmonella in five minutes, so that shipments of lettuce can be confiscated before they reach the table? Scientists today described development and successful testing of just such a test...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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