One thing you can say about the diminutive speckled sea louse: it's always on time.
Scientists studying the tiny crustacean, a marine cousin of the wood-louse, found that it runs not one, but two internal clocks. Not only does the creature have a circadian rhythm, or so called "body clock" like most land-dwelling animals, including humans, but it also has a circatidal clock that follows the 12.4-hour cycle of the tide.
Originally published on Thu September 26, 2013 8:29 pm
Fast-food giant McDonald's has made a commitment to stop marketing sodas as a beverage option in kids' Happy Meals.
Instead, the chain has committed to market and promote only milk, water and juice with the children's meals.
Now, if parents order a Coke or Sprite with their child's Happy Meal, they won't be turned down. But sodas will no longer be marketed or promoted visually in any of McDonald's advertisements or in-store visuals.
But the study also finds that strikes carried out by unmanned aerial vehicles cause fewer civilian casualties than other kinds of combat and that those deaths don't appear to be linked to further violence against U.S. forces and allies.
The College Board, sponsor of the SAT, says latest scores show that roughly 6 in 10 college-bound high school students who took the test were so lacking in their reading, writing and math skills, they were unprepared for college-level work.
The College Board is calling for big changes to better prepare students for college and career.