With a Swiss forensics investigation pointing to polonium-210 as a possible cause of Yasser Arafat's death, the radioactive element is back in the news.
Confirming whether the Palestinian leader died from an assassination attempt will be difficult, given polonium's short half-life and the fact that Arafat has been dead nine years, science writer Deborah Blum says.
Whatever happened to Arafat, polonium does have a deadly history.
When it comes to shipping in the United States, there's a bit of a paradox. Even as U.S. exports have grown, the U.S. share of shipping has declined dramatically.
The traffic in and out of U.S. ports increases every year, but most of those ships fly foreign flags. In fact, the number of U.S. flagged ships is barely one quarter of what it was in the 1950s. That means fewer and fewer jobs for the men and women who work on those ships: the United States Merchant Marine.
Originally published on Mon November 11, 2013 2:50 pm
An organization representing 40,000 private schools in Pakistan says it has decided to ban I Am Malala, a memoir written by Malala Yousafzai, the teenager shot by the Taliban for promoting the education of girls.
Originally published on Tue November 12, 2013 8:14 am
A 40-something patient I'll call Ted has a list of conditions that would have tongue-tied Carl Sagan. Even though I see Ted in my clinic every month, he still winds up visiting the emergency room 20 times per year.
Before he became my patient, he went even more frequently. So, the current situation, bad as it may be, represents halting progress.