Word: medium
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...crash-course in cellular biology that is the stem cell debate continued Friday when the Washington Post revealed that most if not all of the 60 lines of stem cells currently approved for federally-funded research have been mixed with, or developed in, a medium of mouse cells...
...Human embryonic stem cells, says Devitt, need a medium in which to grow. So researchers use a culture of embryonic cells from mice - which we know a lot more about than we do about human cells - to create a universally understood base for growing the human cells...
...Ever wonder why the Diana crash was the coming-out party of the Internet as a news medium? It's because all the Web writers were underpaid company shlubs on three-day weekends if they were lucky - remember, this was before the bubble - and they were the first ones back to their desks when the news hit. And for the rest of the press, the message was clear: Leave town at your peril. We can fill...
...amount of fat they ate. The goal was to consume 25% of calories from fat (compared with 30% to 35% in the average American's diet). For someone who eats 1,500 calories a day, that translates to 42 grams of fat. (Chomp down on a Big Mac and medium fries and you're already 14 grams over the limit...
...spate of undersea landslides (triggered by the breakup of a primordial supercontinent) buried megatons of oxygen-consuming debris. Virtually simultaneously, microscopic algae spread far and wide. For the first time since the planet's formation 4 billion years earlier, the oceans were capable of supporting a population of small-, medium- and large-bodied animals...