NASA cancels spacewalk at ISS over 'spacesuit discomfort issue'. Phys.org article. Pull quote: “In announcing the spacewalk, NASA said two astronauts would remove some communications equipment from one of the ISS's laboratory modules with assistance from a robotic arm on the station. Dyson and Dominick were also going to swab surfaces on the ISS to "determine if microorganisms released through station vents can survive the external microgravity environment."”
F.A.A. Investigating How Counterfeit Titanium Got Into Boeing and Airbus Jets. NYTimes.com article (free). Pull quote: “So far, Spirit’s testing has confirmed that the titanium is the appropriate grade for airplane manufacturers. But the company has been unable to confirm that the titanium was treated through the approved airplane manufacturing process. The material passed some of the materials testing performed on it but failed others.”
n-Methylpyrrolidone (NMP); Regulation Under the Toxic Substances Control Act (TSCA). Federal Register EPA notice of proposed rulemaking. Summary: “To address the identified unreasonable risk, EPA is proposing to: prohibit the manufacture (including import), processing, and distribution in commerce and use of NMP in several occupational conditions of use; require worker protections through an NMP workplace chemical protection program (WCPP) or prescriptive controls (including concentration limits) for most of the occupational conditions of use; require concentration limits on a consumer product; regulate certain consumer products to prevent commercial use; and establish recordkeeping, labeling, and downstream notification requirements.” Comments due July 15th, 2024.
Long COVID finally gets a universal definition.
ScienceNews.org article.
Pull quote: “Over time, Oller says, the definition may be refined to include
subtypes of long COVID, much the way cancer is an overarching definition of
runaway cell growth but is divided by where the cancer occurs and the mutations
that cause it. But for now, she says, starting out broad will allow people
whose symptoms don’t “fit into a nice little package” to have their condition
recognized and acknowledged.” NAS article.
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