Morgan GBI-EMG Core Index, which in turn tracks the performance of local currency bonds issued by emerging market governments.

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An EMG can also be used to measure the strength of the neuromuscular signal from the brain to the muscle that controls the vocal cords.

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Since picking up EEG signals and interpreting them accurately can be tricky, the group says it settled on monitoring EMG waves, which are triggered by muscle movements, for additional reliability.

ENGADGET

Ampal announced on its website on Sunday that EGAS and the Egyptian General Petroleum Corporation (EGPC), another state-owned firm, had told EMG that they were "terminating the Gas Supply and Purchase Agreement".

BBC: Egypt scraps Israel gas supply deal

So even when their eyes are closed they can get a sense of whether an artificial arm is extended, or if there is resistance to a grasping motion, making the limb feel less detached and unnatural than an EMG device.

ECONOMIST: Rewiring nerves

Another problem with EMG prosthetics is that patients literally have to retrain their brains to make new associations between muscle movements and their outcomes a shoulder flex could become a grasp motion, for example, while a twitch of pectoral muscle in the chest may extend the artificial arm.

ECONOMIST: Rewiring nerves

Gas deliveries to Israel dried up for a total of 225 days in 2011 and 66 days during the first three months of 2012, and ceased after an explosion on 5 March, according to Ampal-American Israel Corporation - a stakeholder in East Mediterranean Gas Company (EMG), which operates the cross-border pipeline.

BBC: Egypt scraps Israel gas supply deal