What has changed, however, is that physicians are now being judged, and compensated, based upon their ability to do it.
From their birth in 1994, the Taliban have relied upon their ability to move freely between Kandahar, Baluchistan and Karachi.
The efficacy of nicotine vaccines for smoking cessation is dependent upon their ability to elicit sufficiently high serum antibody concentrations.
Their pay is based on a bouns system, and depends upon their ability to bring buses in on scheduled time, and their ability to avoid accidents.
Teachers know their success as teachers is strongly dependent upon their ability to change their instruction in order to reach each child.
Shamans were not required to take every case, as their reputation depended upon their ability to cure; among the Teton they could refuse after examining a patient.
Statins have for long been considered to play a potential role in anticancer treatment based upon their ability to inhibit the mevalonate synthesis pathway.
However, habitat selection patterns of prey might depend upon their ability to use particular landscape elements to manage their escape options from predator encounters.
But as well as stepping up to their duty of care to protect human life, NGOs must factor in risk to capital assets (damage or loss), which can seriously impact upon their ability to work.
In many ways, they are very similar: two old-style, pro-business, prep-school Republicans, whose career advancement has depended upon their ability to attract the support of right-wing ideologues.
The Chinese authorities' claim to legitimacy rests upon their ability to provide economic wellbeing, which is proving increasingly tough, and this idea of renewed national pride, seized and amplified by Xi Jinping since he took power.
