Instruct: Given a question, retrieve documents that can help answer the question.
Query: How long can a human go without water?
You can survive three minutes of severe bleeding, without breathable air (unconsciousness generally occurs), or in icy water. You can survive three hours in a harsh environment (extreme heat or cold). You can survive three days without drinkable water. You can survive three weeks without edible food.
The unit is often used to describe how much water rainwear or other outerwear can take or how much water a tent can resist without leaking.
Sydney's climate appears to be becoming drier; The city has had fewer rain days in recent years than shown in the long-term climate table above. In summer, Sydney can go for long periods without rainfall. The other phenomenon that arises from these long, dry and hot periods is bushfires, which occur frequently in the areas surrounding the city. Water supply is a recurring concern for the city during drought periods. In 2005 the reservoirs reached an all-time low. However, water levels since then have recovered in 2013. 
Several species of fox live in the Sahara including: the fennec fox, pale fox and Rüppell's fox. The addax, a large white antelope, can go nearly a year in the desert without drinking. The dorcas gazelle is a north African gazelle that can also go for a long time without water. Other notable gazelles include the rhim gazelle and dama gazelle.
Ostriches are wild birds that occur naturally in Africa. There are well adapted to the dry conditions of Namibia and can go for long periods without water. Domesticated ostriches are normally smaller than the wild ones.
Vulcans are typically depicted as stronger, faster, and longer-lived than humans (although discrepancies have occurred—and although not as long as Vulcans, humans have been shown to live longer in the Star Trek universe than today—presumably as the result of advances in medical science). Vulcans are about three times as strong as an average human because of their home planet's higher gravity, although their durability is equal to humans. There are instances of them living over two hundred and twenty years. Having evolved on a desert world, Vulcans can survive without water for longer periods than humans. Vulcans can also go without sleep for as long as two weeks. Romulans are similar in appearance to Vulcans, with whom they share a common ancestry; they even appear almost identical on Starfleet sensors, with just a minute difference between them ("The Enterprise Incident").
Groundwater can be thought of in the same terms as surface water: inputs, outputs and storage. The critical difference is that due to its slow rate of turnover, groundwater storage is generally much larger (in volume) compared to inputs than it is for surface water. This difference makes it easy for humans to use groundwater unsustainably for a long time without severe consequences. Nevertheless, over the long term the average rate of seepage above a groundwater source is the upper bound for average consumption of water from that source.
Transhumanism is a philosophy, modern-day movement, and practice that seeks to improve humanity through means such as evolution and cybernetics (see also human enhancement). Fictionalized accounts of this can include the characters from the X-Men franchise (mutants who are seen as "the next step in human evolution"), and also cyborgs such as those found in the Ghost in the Shell franchise. A widespread school of thought, is that transhumanism can include all methods of improving humanity with the goal of ending issues and flaws that have existed for as long as humanity has, but also faces the issues of how far should it go, such as if or when it achieves a state where what exists is no longer human.
How by means of a certain machine many people may stay some time under water. How and why I do not describe my method of remaining under water, or how long I can stay without eating; and I do not publish nor divulge these by reason of the evil nature of men who would use them as means of destruction at the bottom of the sea, by sending ships to the bottom, and sinking them together with the men in them. And although I will impart others, there is no danger in them; because the mouth of the tube, by which you breathe, is above the water supported on bags of corks.
Chinkaras are shy and avoid human habitation. They can go without water for long periods and can get sufficient fluids from plants and dew. Although most are seen alone, they can sometimes be spotted in groups of up to four animals.
They share their habitat with several other herbivores, such as nilgai, blackbuck, chausingha, wild goat, and wild boar.
Urine osmolality in humans can range from approximately 50 to 1200 mOsm/kg, depending on whether the person has recently drank a large quantity of water (the lower number) or has gone without water for a long time (the higher number). Plasma osmolality with typical fluid intake often averages approximately 290 mOsm/kg HO in humans.
Anthropology is a field concerned specifically with the human condition and its relation to the natural world (i.e. the capacity of a human to manipulate the world around them). This can be seen through human interactions between each other as well as the flora and fauna present in a person's particular region and how they can be utilized. Humans everywhere have changed their environment and for better or for worse, taking a step back to the previous state of things would be a long arduous process. So how can people erase the mistakes of the past? How can they bring old, outdated things new life through innovation? These questions can provide insight into the development of a subfield of anthropology called environmental anthropology.
Go is generally played by analyzing the position of the stones on the board. Some advanced players have described it as playing in some part subconsciously. Unlike chess and checkers, where AI players can simply look farther forward at moves than human players, but with each round of Go having on average 250 possible moves, that approach is ineffective. Instead, neural networks copy human play by training the AI systems on images of successful moves, the AI can effectively learn how to interpret how the board looks, as many grandmasters do. In November 2015, Facebook demonstrated the combination of MCTS with neural networks, which played with a style that "felt human".
Reservoir models are built upon their measured and derived properties to estimate the amount of hydrocarbon present in the reservoir, the rate at which that hydrocarbon can be produced to the Earth’s surface through wellbores and the fluid flow in rocks. In the water resource industry, similar models are used to compute how much water can be produced to the surface over long periods of time, without depleting the aquifer.
DEC rates the West Kill's water quality at Class C, suitable for fishing and non-contact human recreation. The agency also adds a "(TS)", indicating that the stream's waters are ideal for trout spawning. The kill's waters are pure enough to be part of the New York City water supply system; after draining into the Schoharie they are impounded at Schoharie Reservoir downstream, where they can be delivered through the Shandaken Tunnel back under the hamlet of West Kill to Esopus Creek at Shandaken. From there they go to Ashokan Reservoir, which supplies 10% of the city's water, and then, via the Catskill Aqueduct, to customers, without requiring filtration.
But the machines just go on; each of the long-deserted cities keeps running perfectly, as if nothing has changed. Cities, where human foot has not stood for hundreds of thousands of years, are still cared for by the machines, who never stopped supplying the city all its human needs, because no one has ever told them to stop; no human of that time can remember how.
The term "Being-with" refers to an ontological characteristic of the human being, that it is always already with others of its kind. This assertion is to be understood not as a factual statement about an individual, that he or she is at the moment in spatial proximity to one or more other individuals. Rather it is a statement about the being of every human, that in the structures of its being-in-the-world one finds an implicit reference to other humans. We all live with others, and in fact we could not live without them. Humans have been called (by others, not by Heidegger) "ultrasocial" and "obligatorily gregarious." Without others of our kind we could not survive. Heidegger, from his phenomenological perspective, calls this feature of human life "Being-with" ("Mitsein"), and says it is essential to being human. We are inauthentic when we fail to recognize how much and in what ways how we think of ourselves and how we habitually behave is influenced by our social surroundings. We are authentic when we pay attention to that influence and decide for ourselves whether to go along with it or not. Living entirely without such influence, however, is not an option.
1,2-Dichloroethane is recognized as a carcinogen, meaning it can cause cancer if one is exposed to it for a long period of time. This chemical is highly flammable and has a strong, harsh scent and no color. There are eight tests that can be conducted to identify this chemical in a lab. It is ranked in the top 10% of the most hazardous compounds to human health and the environment, based on how toxic it is when ingested or inhaled, how it affects human health, cancer and noncancer risk scores through air and water, and how toxic it is to the environment. The overall hazard value of the chemical is 39, which puts it within the 100th percentile of other chemicals, making it in the top 10%. This chemical was found in the groundwater of the Price Landfill. 1,2- Dichloroethane can negatively affect health in these areas: Cardiovascular or Blood Toxicant, Developmental Toxicant, Gastrointestinal or Liver Toxicant, Kidney Toxicant, Neurotoxicant, Reproductive Toxicant, Respiratory Toxicant, and Skin or Sense Organ Toxicant. 
This means it can: cause blood diseases or abnormal heartbeat; affect the development of an unborn child; liver damage and disease; cause kidney disease which can lead to cancer; affect how the nerves carry information through the bodies peripheral nervous system which weakens the lower half of the body causing a tingling sensation and loss of coordination; affect fertility and may even cause the loss of a fetus during pregnancy; cause respiratory damage which can led to cancer; cause hearing loss or other damage of the 5 senses.
Arsenic is described as a metal, or a metal-type, meaning it is not usually found as pure metal. Arsenic can be found in wood preservatives, pesticides or in the manufacturing of some glass. Arsenic was found in groundwater and surface water at the Price Landfill site. Arsenic is recognized as a carcinogen, meaning it can cause cancer if one is exposed to it for a long period of time. It is also ranked in the top 10% of the most hazardous chemicals to human health and the environment, based on how toxic it is when ingested or inhaled, cancer and noncancer risk scores through air and water, and how toxic it is to the environment. The overall hazard value of the chemical is 30, which puts it in the 100th percentile of other chemicals, making it in the top 10% of hazardous compounds. The chemical can negatively affect health in these areas: Developmental Toxicant, Cardiovascular or Blood Toxicant, Endocrine Toxicant, Gastrointestinal or Liver Toxicant, Immunotoxicant, Kidney Toxicant, Neurotoxicant, Reproductive Toxicant, Respiratory Toxicant, Skin or Sense Organ Toxicant. 
This means it can: affect the development of an unborn child; cause blood diseases or abnormal heartbeat; weaken the endocrine system leading to diabetes, hormone imbalances, reproductive disorders or cancer; cause liver damage and disease; weaken the immune system which can lead to disease or cancer; cause kidney disease which can lead to cancer; affect how the nerves carry information through the bodies peripheral nervous system which weakens the lower half of the body causing a tingling sensation and loss of coordination; affect fertility and may even cause the loss of a fetus during pregnancy; cause respiratory damage which can led to cancer; cause hearing loss or other damage of the 5 senses.
Breeding is year round and the female gives birth to one fawn after a gestation period of 6 to 7.5 months. The common duiker has a wide diet; beyond herbivorous browsing for leaves, flowers, fruits and tubers, they will also eat insects, frogs, small birds and mammals, and even carrion. As long as they have vegetation to eat (from which they get some water), they can go without drinking for very long periods. In the rainy season, they will frequently not drink water at all, instead obtaining fluids from fruits. They will often scavenge for these fruits below trees in which monkeys are feeding. They are active both day and night, but become more nocturnal near human settlements.
Some researchers have argued that the dichotomy of human actions as "correct" or "incorrect" is a harmful oversimplification of a complex phenomena. A focus on the variability of human performance and how human operators (and organizations) can manage that variability may be a more fruitful approach. Newer approaches such as resilience engineering mentioned above, highlight the positive roles that humans can play in complex systems. In resilience engineering, successes (things that go right) and failures (things that go wrong) are seen as having the same basis, namely human performance variability. A specific account of that is the efficiency–thoroughness trade-off principle (ETTO principle), which can be found on all levels of human activity, in individual as well as collective.
Emus are soft-feathered, brown, flightless birds with long necks and legs, and can reach up to in height. Emus can travel great distances, and when necessary can sprint at ; they forage for a variety of plants and insects, but have been known to go for weeks without eating. They drink infrequently, but take in copious amounts of water when the opportunity arises.
Another possible purpose of the problem is to raise the question: Are monkeys intelligent? Both humans and monkeys have the ability to use mental maps to remember things like where to go to find shelter, or how to avoid danger. They can also remember where to go to gather food and water, as well as how to communicate with each other. Monkeys have the ability not only to remember how to hunt and gather but to learn new things, as is the case with the monkey and the bananas: despite the fact that the monkey may never have been in an identical situation, with the same artifacts at hand, a monkey is capable of concluding that it needs to make a ladder, position it below the bananas, and climb up to reach for them.
The same type of geothermal well can be used without a heat pump but with greatly diminished results. Ambient Earth temperature water is pumped through a shrouded radiator (like an automobile radiator). Air is blown across the radiator, which cools without a compressor-based air conditioner. Photovoltaic solar electric panels produce electricity for the water pump and fan, eliminating conventional air-conditioning utility bills. This concept is cost-effective, as long as the location has ambient Earth temperature below the human thermal comfort zone (not the tropics).
When Xin Pi told his daughter about it, she sighed and said: "A crown prince will succeed a ruler and inherit his kingdom one day. How can he succeed his father without feeling sad? How can he rule a kingdom without feeling intimidated? If he expresses joy instead of sadness and fear, how can his kingdom last long? How can Wei prosper?"
Without treatment, raw water can be used for farming, construction or cleaning purposes. Farmers use it for watering their crops or give to livestock to drink, storing it in man-made lakes or reservoirs for long periods of time. Construction industries can use raw water for making cement or for damping down unsealed roads to prevent dust rising. Raw water can also be used for flushing toilets and washing cars, as well as any other purposes that do not require it to be consumed by humans. Water in this form is considered raw, as opposed to water which has been treated before consumption, such as drinking water or water which has been used in an industrial process, such as waste water.