This time the agency asked for a new study to test the effect of a high dose of the drug on heart rhythm.

WSJ: FDA Approves Amylin's Bydureon Diabetes Drug After Delays

While the study didn't test the effect of shrimp on people with high cholesterol, health experts say moderate amounts of shrimp should be fine for them too.

CNN: Shrimp's high cholesterol may not be so bad

Merck's (nyse: MRK - news - people ) decision is based on new three-year data from a clinical trial designed to test the effect of Vioxx on preventing colorectal polyps.

FORBES: Merck Withdraws Vioxx

Having established the principle, Dr Huang and Dr Galinsky went on to test the effect of posture on other power-related decisions: whether to speak first in a debate, whether to leave the site of a plane crash to find help and whether to join a movement to free a prisoner who was wrongfully locked up.

ECONOMIST: How you hold yourself affects how you view yourself

HPS2-THRIVE, most agreed, would provide a more definitive test of the effect of niacin.

FORBES: HPS2-THRIVE: No Benefit, Signal Of Harm For Niacin Therapy

The fourth test is about the effect of joining the euro on Britain's financial services .

ECONOMIST: Britain and the euro

For somebody with my background and record with respect to coronary artery disease and previous heart attacks, there is that possibility of abnormal heartbeats and about two weeks ago we did a test that's, in effect, an electrocardiogram that you wear for a long period of time.

CNN: Vice President on his latest heart problem

Kallis' absence may force the selectors to reconsider their options, having elected - to little effect - to choose spinner Paul Adams ahead of accurate seamer David Terbrugge for the last Test.

BBC: Injury keeps Kallis out of Test attack

The case is set to be a big test of China's new bankruptcy law, which came into effect in 2007 but has rarely been applied to overseas-listed companies with assets in China.

CNN: Top solar panel maker goes bankrupt

Furthermore, a test of the drug against her cancer cells in a petri dish showed no effect.

NEWYORKER: Letting Go

Ms Mayer found that although doubling the income of poor families would lift most children above the poverty line, it would have virtually no effect on their test scores and only a slight effect on social behaviour.

ECONOMIST: Can��t buy me love