My surgery went fantastically well, and a quick series of self-tests performed while still in my hospital bed confirmed my belief that cognitively, I was completely intact.

FORBES: Five Years After A Brain Aneurysm, Fear Of Dying Can't Make Me Quit Living

Unlike the broad traits supposedly assessed by personality tests, self-control struck Mischel as potentially measurable.

NEWYORKER: Don��t!

After completing the unscrambling task, the students took several tests of self-control.

WSJ: Jonah Lehrer on Religious Thoughts and Self-Control | Head Case

Yet, despite the great success of its education system, Singapore has been reforming it to lay less stress on rote-learning and repetitive tests and more on self-expression.

ECONOMIST: The contest with China moves into the classroom and nursery

But placing too much faith in tests will ultimately be self-defeating, creating a more narrow curriculum and a culture of teaching to the test that goes against the higher ideals of our public education system.

FORBES: New York City to Roll Out New Tests to Rate Teachers

To assess people's inclination for what the researchers call "self disclosure, " they conducted laboratory tests to see whether people placed an unusually high value on the opportunity to share their thoughts and feelings.

WSJ: The Science of Bragging and Boasting

"Our next step is to fabricate a complete self-powered pacemaker and examine it with animal tests, " wrote Dr. Karami in an email.

WSJ: Harnessing Energy From the Body to Power Devices

Ashton said the defeat - his 10th in 21 Tests since taking over from Andy Robinson - had not affected his self-belief.

BBC: Ashton determined to make amends

We have to produce the self-healing agent in huge quantities and we are starting to do outdoor tests, looking at different constructions, different types of concrete to see if this concept really works in practice.

BBC: Key test for re-healable concrete