An international team of researchers announced in Switzerland on Wednesday that an experiment on the International Space Station may have seen hints of something called dark matter. The finding could be a milestone in the decades-long search for the universe's missing material.
Only a tiny sliver of stuff in the universe is visible to scientists; the rest is dark matter. Researchers don't know what it is, but they know it's there. Its gravity pulls on the things we can see.
Rep. Bill Cassidy, R-La. (right), poses with his family and House Speaker John Boehner at the start of the new Congress, on Jan. 3. On Wednesday, Cassidy announced that he would challenge Democratic Sen. Mary Landrieu in 2014.
Credit Paul J. Richards / AFP/Getty Images
Sen. Mary Landrieu, D-La., on Capitol Hill in December.
Sen. Mary Landrieu of Louisiana, considered among the most vulnerable of the Senate's red-state Democrats facing 2014 re-election, now has at least one potential Republican opponent, Rep. Bill Cassidy, whose congressional district includes Baton Rouge.
With one-quarter of adults over age 45 taking cholesterol-lowering statin drugs, it figures that more than a few people would have trouble sticking with the program.
More than a few, actually.
A big new study of statin use in the real world found that 17 percent of patients taking the pills reported side effects, including muscle pain, nausea, and problems with their liver or nervous system.
That's a lot higher than the 5 to 10 percent reported in the randomized controlled trials that provided evidence for regulatory approval of the medicines.
The United States said it was sending its Terminal High Altitude Area Defense System to Guam in the coming weeks.
The move to deploy the missile defense system comes in response to continued heated rhetoric from North Korea. The BBC reports:
"The Pentagon said in a statement the missile system would be moved to Guam as a 'precautionary move to strengthen our regional defence posture against the North Korean regional ballistic missile threat.'