Sunday night, 92-year-old Andy Rooney bid farewell to his regular weekly segments on 60 Minutes, explaining that he sees himself as a writer and not a "television personality," and after all, "writers don't retire," but he's no longer going to be talking on television every week about fruit or the post office or whatever other nagging matter has his attention.
Working with grasshoppers, fruit flies, mice and human cells, the three scientists who won this year's Nobel Prize in Physiology or Medicine opened important windows on how all these creatures defend themselves against microbial invaders and refrain from attacking their own cells – except when they don't.
It's intricate and complicated stuff, but the two main concepts you need to know are: innate immunity and adaptive immunity.
Note: This report contains an offensive racial epithet. It is an essential part of the story, however.
"Gov. Rick Perry's presidential campaign pushed back quickly and forcefully Sunday against a Washington Post story that linked Perry to a hunting camp known to some by a racially insensitive name," the Austin American-Statesman reports.
Originally published on Mon October 3, 2011 7:00 am
The Nobel Prize in medicine has been awarded to three scientists whose discoveries about the human immune system "opened up new avenues for the development of prevention and therapy against infections, cancer, and inflammatory diseases," the Nobel committee announced earlier today.
NPR's board of directors announced Sunday that it had dipped into the world of public television for its new president and CEO: Gary E. Knell, chief executive of the company behind the beloved children's show Sesame Street.
Knell, 57, said he hopes to "calm the waters" at NPR after a rocky year in which the institution lost several top executives and faced renewed challenges to its funding.