01:2901:29, 27 June 2024diffhist+159
Mach effect
mention "Mach-effect thruster", an unlikely hypothesis, discussed many places including NASA.current
01:0401:04, 26 June 2024diffhist−146
Jonathan Bergmann
restored one URL. (a previous edit deleted wrong URL but did not add the correct URL.) deleted checked most URLs. (rescued some. livened some.) sorted.current
22:2422:24, 21 June 2024diffhist−1,538
Hemoglobin
http://www.ngsp.org/ and https://www.ngsp.org/ serve no content! only https://ngsp.org/. checked some links and URLs. synced two NCBI refs. sorted.