Lawmakers on both the federal and state level have urged the EPA to continue with the project, given concerns there may be more contamination in the river than initially believed. (nystateofpolitics.com)
Do longer stays on Mars (500 days versus 30 days) mean more contamination, and do they require different planetary protection requirements than shorter stays? (sciencenews.org)
Levels of cocaine ranged from.006 micrograms to more than 1,240 micrograms — the equivalent of 50 grains of sand — on U.S. bills, and $ 5, $ 10 and $ 20 bills on average carried more contamination than $ 1 or $ 100 bills. (scientificamerican.com)