Sentence examples for been unable to learn from inspiring English sources

Though pi has been known for more than three thousand years, mathematicians have been unable to learn much about it.

In the weeks since her death, investigators have been unable to learn how she was exposed to anthrax.

The Tobias brothers have subpoenaed Tiger, using the address of Cupids, but have been unable to learn his true name.

The enduring popularity of the Derby begs the question: Why have leaders in American racing circles been unable to learn from, and capitalize upon, the success of America's greatest horse race?

A Wal-Mart spokeswoman, Melissa Hill, said she had been unable to learn why new clothing with the store's tags had been destroyed, but added that the company typically donated or recycled such items.

If there are Americans like me who have been unable to learn another language, I would not worry so much because your native tongue is rapidly becoming the language of choice for the rest of the world.

Microarray analysis identified a set of 50 genes that was transcribed differently in aged-superior learners that had successfully learned the spatial strategy in the MWM compared to aged learning-impaired animals that were unable to learn and a variety of groups designed to control for all non-learning aspects of exposure to the water maze paradigm.

But they were unable to learn more about them.

It is not surprising that children are unable to learn when they are hungry".

(I was unable to learn whether any such mission had yet taken place).

The Haggler, at least at first, was unable to learn much about this mini-debacle.