Now picture the high-low variations in a film such as Jaws.
So variations in a gene can serve as a kind of historical clock.
The passport system tracks variations in a blood profile over time for signs of cheating.
The test monitors variations in a portion of the heartbeat called the T-wave while a patient exercises.
First the investigators looked at variations in a well-known gene, endothelial lipase, that affects only HDL.
Genetic information, for the law's purposes, would include not only tests that determine variations in a person's DNA, but also a family history of a particular disease.
Mr. Lasser's work, based on Bach's "Nimm von uns, Herr, du treuer Gott," is an inventive set of 12 variations in a deceptively traditional style.
"Drawing on the same data – stock market prices – we can write millions of different stories, each one focusing on variations in a single portfolio," Smith adds.
Roche's test, introduced in June, looks for variations in a patient's genes that will predict how the person's body will break down certain drugs.
While most Japanese menus bear a striking similarity, this one has several original dishes, most of them sushi variations in a lengthy section described as "designer rolls".
Cambridge Heart's system measures what are known as T-Wave alternans, which are tiny variations in a single electrical wave in the heart.
