"If one is concerned about the future of life on a biological time scale, it's relevant to have communities away from the Earth, " Rees notes.
"The potential for a pollution incident is unknown at this time, but officials have limited concerns about any biological threats due to the length of time the vessel has been at sea, " the Coast Guard said in a statement.
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Russell Vreeland and William Rosenzweig, biologists at West Chester University in Pennsylvania, together with their colleague Dennis Powers, a geologist, started analysing Salado salt crystals in the hopes of finding some biological record of this bygone time.
He is using statistical techniques in particular, a method called stochastic pi-calculus to model how biological systems appear to change with time.
When the risk is not hundreds of people killed in a conventional attack but tens or hundreds of thousands killed by chemical, biological or nuclear attack, the time factor is even more compelling.
The task of eliminating all nuclear, chemical and biological stockpiles, facilities and infrastructure will take time.
Scientists have for the first time created laser light using living biological material: a single human cell and some jellyfish protein.
The Stanford University professor of biological sciences devotes a large amount of her time to taking a business perspective on land and water as a type of natural capital.
This idea was resisted for a long time, because it seemed that most biological processes happen on the classical level and they do!
The target this time was a draft scheme to enforce the Biological and Toxin Weapons Convention (BWC), a 1972 treaty banning germ war.
That may change this time, especially if soldiers face a real threat of biological or chemical weapons.
Though we researched adoption, I decided that when the time was right, I would try to have a biological child before it was too late, and keep adoption as a back-up plan.
Since the regime made no appreciable effort to distinguish which contained high explosives and which were loaded with chemical or biological agents, establishing exactly what is in such facilities is a time-consuming and dangerous task.
At a time of hard decisions about how to counter fanatics with biological weapons, or save lives in former Yugoslavia, it is exasperating that base closures have proceeded much more slowly than the broader drawdown of the cold-war armed services.
Even if one makes the heroic assumption that inspections actually result in the elimination of all Iraqi chemical and biological weapons, Hussein will be back in that business in no time if he is allowed to retain or rebuild his nominally civilian chemical and biotech industries.
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It is a matter of time before vastly more destructive weapons of mass destruction (chemical, biological, radiological or nuclear) become available to jihadists who believe that, pursuant to Shariah, they are fulfilling Allah's will when they kill "infidels" or otherwise force them to submit to Islam.
Biological profiles are built up by collating an athlete's drug test results over time, therefore making it easier to detect differences which could indicate the use of a banned substance.
The bottom line is that for the time being, from a regulatory perspective each biosimilar version of an approved biological product will be regarded as, in effect, a completely new and distinct drug.
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"We believe that implementation of this agreement, now or in the immediate future, would be premature at a time when China continues its destabilizing transfers of nuclear, missile, chemical and biological weapons technology, and advanced conventional weapons, " the two senators wrote.
We've seen them sniff out air contaminents and cancer before, but this time 'round it's lung-fulls of harmful poisons, such as biological weapons and gas leaks.
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Now, now at a time when we're trying to get other people to give up nuclear and biological and chemical weapons, they are trying to develop two new nuclear weapons which they say we might use first.
This is the period of time that the cicada nymphs remain underground, feeding on sap from tree roots until their biological alarm-clocks go off.
It is the scientific objectivity of genetic studies that gives it the power to say "at around this time, these people were here", freeing anthropologists to discuss the human developments - biological, societal, even political - that led populations to move and spread throughout the world.
Jim Waterhouse, a professor of biological rhythms at Liverpool John Moores University in Liverpool, England, says he often recommends that people crossing three time zones or less and only staying three days or less might want to consider maintaining the same sleeping and waking schedule from home rather than trying to shift the body clock.
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