Two weeks ago, I published a post that claimed that the U.S. had offshored just over 18% of its carbon dioxide (CO2) emissions. I was wrong – it’s only 15%. The problem was in how I calculated the CO2 emissions of other countries. Instead of using actual estimates of CO2 emissions (publicly available at the Energy Information Administration), I used market exchange rates and purchase power parity (PPP) exchange rates, and so added a significant source of error that made the percentage vary from 18% (for market rates) to 10% (for PPP rates).
I realized that there was a way to make the results independent of the currency exchange rate, and that’s how I generated the graphs below. Full story »
In an article titled Two-Thirds of Hispanic Women Discover Breast Cancer Themselves at U.S. News & World Report on Thursday, Feb. 5, Amanda Gardner writes:
Two-thirds of breast cancers in Hispanic women are detected by a self-exam, while only 23 percent come to light through a mammography and another 6 percent through a clinical exam. Yet screening mammography rates were 83 percent among U.S.-born Hispanic women and 62 percent among non-U.S.-born Hispanic women.
That Hispanic women are both receiving mammograms and beating mammography to the punch with self-exams is encouraging, especially considering the often poor education of the non-U.S.-born subgroup. However, there’s more to the story. . . Full story »
Dew Drop
I sat down to read one morning and noticed this drop of water. It was on the partially unfurled blossom of the Peace Lily plant.
