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Message: 1
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Thu, 19 Jun 2008 12:33:31 -0500 (CDT)
Subject: RTC Notice - Implementation of the Research Terms and Conditions
RTC Notice - Implementation of the Research Terms and Conditions
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PDF: http://www.nsf.gov/pubs/policydocs/rtc/rtcnotice0608.pdf?govDel=USNSF_109
Document Number: rtc0608
This is an NSF Policies and Procedures item.
Message: 2
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Thu, 19 Jun 2008 15:13:14 -0500 (CDT)
Subject: Microscopic "Clutch" Puts Flagellum in Neutral
Microscopic "Clutch" Puts Flagellum in Neutral
It has been long been known that bacteria swim by rotating their tail-like structure called the flagellum. (See the swimming bacteria in the figure.) The rotating motion of the flagellum is powered by a molecular engine located at the base of the flagellum. Just as engaging the clutch of a car connects its gear to its engine and delivers power to its wheels, engaging the molecular clutch of a bacterium connects its gear to its engine and delivers power to its flagellum.
Now, a paper ...
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