Presbyopia is thought to represent not so much a sign of approaching decrepitude as a leftover feature of primate life, when scanning for food or predators on the horizon was a more important survival task for adults than was any close-up work.
DOI: http://dx.doi.org/10.7554/eLife.05434.001 Cells contain thousands of proteins that carry out the essential tasks needed for survival.
The intestinal barrier represents a functional unit responsible for two main tasks crucial for survival of the individual: allowing nutrient absorption, and defending the body from penetration of unwanted, often dangerous, macromolecules.
Additionally, in species that exhibit maternal care, brooding behaviors by females can be demanding activities [ 11- 13] that may extend reproductive costs after parturition, and may potentially conflict with other tasks essential for survival, such as resource acquisition.
The proteins involved in these two activities (carboxylic acid transport and NAD(P H nitro-reductase activities) are also implicated in cellular detoxification, which is another task relevant for survival under stress.
The slightest glimmer of hope for survival had been shattered and our tasks were re-assigned from rescue mode to recovery mode.
I loved everything about the place but I thought the challenge was unfair". He laughs again when he recalls his words to the Wednesday directors, that it would be a struggle for survival, when that is just the task he has taken on at Kenilworth Road.
In most mammals, a high-functioning olfactory system is essential for carrying out tasks that are crucial for survival, such as finding food, avoiding predators and mating.
With offshore outsourcers and machine learning algorithms getting better and better at handling complex tasks, providing personal guidance has become a prerequisite for survival.
Whether [EMBARGOED] survived, you'll have to watch to find out.* The show tasked us with all the basic skills required for survival: fire-lighting, shelter-building, talking-head interviewing.
It survives because there is a passion there for survival.
