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‘Improving daily work is even more important than doing daily work.’
The Phoenix Project
Gene Kim, Kevin Behr, George Spafford
What is a safe level of radioactivity? If the linear hypothesis is right, then even low doses increase the risk of cancer. If it is wrong, then levels below 6 rem could be completely safe. Earlier I mentioned the natural radioactivity found in the Denver region. Let’s look at those numbers again. A reasonable estimate is that the average yearly excess in Denver (compared to the US average) is about 0.1 rem per person per year. For 2.4 million people living in Denver for 50 years, this excess amounts to 0.1 × 2,400,000 × 50 = 12 million rem, enough to cause 4800 excess cancers. That’s more excess death than is expected from the Chernobyl nuclear accident!
Physics for Future Presidents
Richard A. Muller
“Are you saying all Whites are racist?” When asked this question, I again remember that White teacher’s response, and I am conscious that perhaps the question I am really being asked is, “Are you saying all Whites are bad people?” The answer to that question is of course not. However, all White people, intentionally or unintentionally, do benefit from racism. A more relevant question is, “What are White people as individuals doing to interrupt racism?” For many White people, the image of a racist is a hood-wearing Klan member or a name-calling Archie Bunker figure. These images represent what might be called active racism, blatant, intentional acts of racial bigotry and discrimination. Passive racism is more subtle and can be seen in the collusion of laughing when a racist joke is told, letting exclusionary hiring practices go unchallenged, accepting as appropriate the omissions of people of color from the curriculum, and avoiding difficult race-related issues. Because racism is so ingrained in the fabric of American institutions, it is easily self-perpetuating.6 All that is required to maintain it is to go about business as usual.
Why Are All the Black Kids Sitting Together in the Cafeteria?
Beverly Daniel Tatum
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