These rock-like objects were the first lifeforms to pump enough oxygen into the sea and atmosphere so that complex lifeforms could develop, helping them become the beautiful, life sustaining waters that we know today.
For other species, we are their spokespersons and it is up to us to acknowledge our indebtedness to them: to all of the soldiers that make our soil, our atmosphere, our rivers and seas and forests the life sustaining ecosystems that have given us our breath, our dreams, our hopes.
These left-ventricular leads are intended to improve the efficiency of the heart in patients with heart failure, but are not responsible for delivering immediate life-sustaining pacing or life-saving defibrillation therapy.
Putting aside her faith in the life-sustaining qualities of olive oil, the Californian researchers assumed that Mrs Calment's otherwise unexceptional life had been prolonged because of her genes.
"We're working feverishly and aggressively to support and provide life-sustaining capability to the citizens of Haiti, " Air Force Gen.
Life-sustaining (and often costly) treatments such as resuscitation and surgery are not allowed.
MOLST, or Medical Orders for Life-Sustaining Treatment, is a form that allows people to make their medical wishes known to health profressionals.
Within minutes of leaving the hotel grounds and the life-sustaining underground aquifers, we were surrounded by a landscape that couldn't sustain a shrub.
Education for disaster preparedness can provide life-saving and life-sustaining information and skills that protect in particular children and young people during and after emergencies.
Operators of critical infrastructure systems that people rely on for life-sustaining services have the added responsibility of ensuring their systems are at least protected with industry-consensus best practices.
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"Keeping warm during winter power outages is critical, especially for the elderly or for people who are not physically active or use life-sustaining equipment, " said Theresa Murray, the agency's executive director.
There are strong arguments against this sort of assisted suicide, whether it takes the form of the withdrawal of life-sustaining treatment or of more active measures such as the administration of lethal injections.
According to the agency, carry-ons will be limited to medication or medical devices, small purses, cameras, coats, infant-care items, laptop computers, containers carrying life-sustaining or special-needs items, musical instruments, or diplomatic or consular bags.
Only so many sources of life-sustaining water.
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Food, long believed to be vital to sustaining life, may also have a darker side, according to a recently released study.
It originated among ancient Celts for whom the natural world was a wilderness that brought them death and danger as well as sustaining life.
The key to sustaining a healthy life, a healthy business or a healthy region is to make a transformation to a new curve before the current one is too far in decline.
The set of people who are most violent about this issue, who are sustaining it, and breathing life into it, are doing so because it is a convenient validation of their beliefs.
In fact, Berliners are on double duty: Their devotion to sustaining the city's creative life is matched by a determination to live it too.
Blueprint for Ocean and Coastal Sustainability sounds the alarm about the health of the ocean, and explains how it influences our everyday life by regulating the climate, providing highly-nutritious food and by sustaining livelihoods and economies.
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