Notorious for their sharp teeth and voracious appetites, piranhas inhabit several of the major river basins in South America.
Electra the electric eel (Electrophorus electricus) demonstrates her shocking power at Ford Motor Company's "Cycle of Production" exhibit at the 1939 New York World's Fair. The second largest spider in the world, the goliath bird-eater (Theraphosa blondi), is related to the tarantula. Widely distributed across much of Africa, tiger fish are fierce predators with large, razor-sharp teeth.
Snakeheads are often feared in the West, where populations of the aggressive fish have occasionally taken root as invasive species.
A mata mata (Chelus fimbriatus) is a freshwater turtle that inhabits the Amazon and Orinoco basins in South America.
The diving bell spider (Argyroneta aquatica) is the only known spider in the world that lives entirely underwater. As National Geographic previously reported, freshwater stingrays are known to inhabit rivers in Southeast Asia and northern Australia, where they can reach enormous proportions, measuring up to 16.5 feet (5 meters) long and up to 1,320 pounds (600 kilograms). Fanged vampire fish, or payara (Hydrolycus scomberoides), are offered at a market in Pevas, Peru, on the Amazon River.
Perhaps the most feared freshwater species of all, candiru are parasitic catfish in the family Trichomycteridae. Sandra is a leading authority on international freshwater issues and is spearheading our global freshwater efforts. For more than 15 years, Osvel Hinojosa Huerta has been resurrecting Mexico's Colorado River Delta wetlands. The National Geographic Society aims to be an international leader for global conservation and environmental sustainability. Before the government hooked up farmhouses to electricity, farm life was very different and much more work.
Stan Jensen (right) says battery-powered radios helped to end some of the isolation rural families felt. On the farm, men and women, boys and girls did work by hand: hauling water, milking cows, pitching hay, picking corn, and cranking the cream separator or corn shelling machines by hand.
Before the REA strung electric lines to connect rural homes, a few farmers bought battery systems to run lights, crude appliances and, most important, a radio. This feature allows you to search hundreds of thousands of classtools templates for resources you can use straight away with your classes. According to a report just released by the Natural Resources Defense Council, much of the massive amounts of electricity that America’s datacentres devour to support the country’s business and online activity is being wasted running computer servers doing little or no work most of the time. Developed in partnership with Anthesis, “Scaling Up Energy Efficiency Across the Data Center Industry: Evaluating Key Drivers and Barriers” notes that while huge “cloud” server farms have made significant efficiency improvements, progress has been much slower and uneven across the nearly 3 million other datacentres in businesses and organizations that house 95% of servers across the country, costing them billions of dollars and kilowatt hours.
Although the full extent of energy waste is unknown due to a lack of consistent metrics, the report estimates that if just half of the potential savings from cost-effective energy efficiency best practices were realized, electricity use could be cut by 40%. Up to 30% of servers are “comatose” and no longer needed because projects have ended or business processes changed, but are still plugged in and consuming electricity. Much of the energy consumed by US datacentres powers servers operating at 12 to 18% of capacity. In 80% of organizations, the department responsible for datacentre management is separate from the one paying the electric bills.
This entry was posted in Data Center Industry News Blog and tagged America’s datacentres consuming massive and growing amounts of electricity.
These omnivorous fish are known for their taste for meat, although attacks on human beings are quite rare, despite breathless accounts from early explorers.In a historic visit to Brazil, Theodore Roosevelt famously saw a group of piranhas shredding pieces of a cow carcass in seconds. Despite their name, electric eels are actually a type of knifefish and are more closely related to catfish than they are to true eels. It received its fearsome name after Victorian explorers witnessed one feasting on a hummingbird.The big spiders inhabit marshy land in the rain forests of nothern South America, where they can grow to a leg span of up to 12 inches (30 cm) and can weigh more than 6 ounces (170 grams). After a fisherman found a Northern snakehead (Channa argus) in a pond in Maryland, it caused a media sensation.

The bizarre turtles are entirely aquatic, although they prefer shallow, stagnant water, where they can easily reach their head out of water to breathe.The mata mata can grow quite large, up to 33 pounds (15 kilograms). Like other arachnids, it must breathe air, but it provides its own supply by forming a bubble, which it holds by hairs on its legs and abdomen.
However, very little is known about these creatures, including how many are left, and if they ever enter saltwater.Freshwater stingrays are hard to see, because they often bury themselves in river sediments. This fearsome, little-known fish is prized for its meat in the Amazon and Orinoco basins.Vampire fish prey primarily on smaller fish, especially piranhas, which they impale with their long, sharp fangs. For every pledge, Change the Course will restore 1,000 gallons back to the Colorado River. When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin. In town, families started using electric stoves, coffee makers, waffle irons, hot plates, electric roasters, and Waring Blenders during the 1930s.
And to get lights before electric lines were connected, some houses had a carbide gas light system with a buried tank of water and pellets to create gas to burn.
Improved energy efficiency practices could cut energy waste by at least 40%, saving over US$3 billion annually. Our small, medium, corporate, and multi-tenant datacentres are still squandering huge amounts of energy,” said Pierre Delforge, NRDC director of high-tech energy efficiency. In fact, up to one-third of servers are no longer needed but are still consuming large amounts of electricity while many others are grossly underutilized, operating at no more than18% of capacity, the report said. In 2014, that would equal US$3.8 billion in savings for businesses and cut 39 billion kilowatt-hours of electricity, equivalent to the electicity generated by 34 large, coal-fired power plants and enough to power all of Michigan’s homes for a year.
This “split incentive” reduces the likelihood of implementation of common sense efficiency measures.
His dramatic account would color popular imagination for years, even though it was based on a manipulated spectacle in which fishermen blocked off a group of the fish and starved them beforehand.Still, piranhas are important scavengers and predators in their native rivers, and they often resort to cannibalism if food gets scarce. These unusual fish inhabit waterways in the Amazon and Orinoco basins of South America, where they hunt prey and defend themselves by producing powerful bursts of electricity.Electric eels gulp air from the surface in order to breathe. Attacks on human beings are rare but not unheard of.The two largest species are the goliath tiger fish (Hydrocynus goliath) and the Hydrocynus vittatus, which is commonly called the tiger fish.
Biologists warned that the large freshwater fish could readily become established in North America, where it could wreak havoc on native ecosystems.The voracious top-level predators can reach a length of three feet (one meter). Once distributed across several countries in Southeast Asia, the Mekong giant catfish is now critically endangered, thanks to habitat disruption. The spiders must occasionally return to the surface to replenish their air supply, although some gas exchange happens across the surface of their bubbles, so they don't have to come up very often.The diving bell spider is found in northern and central Europe and parts of northern Asia.
The word anaconda is thought to come from the Tamil word anaikolra, which means elephant killer, alluding to the reptile's fearsome reputation.Anacondas feed on fish, birds, reptiles, and small mammals, though they have been known to take the occasional domestic animal.
However, over the past few centuries there have been reports of these creatures lodging in the urethras of men and women.Some native peoples along the Amazon have described means of preventing such a disturbing infection, which is said to be hard to remedy, even with surgery.
Kenneth Jackson (right) remembers the electric systems that were used before electricity reached the farm.
It's true that local fishermen occasionally have scars from close encounters with them.It's unknown how many species of piranhas exist, with estimates ranging from 30 to 60.
Thanks to specialized internal organs, they can produce pulses of electricity greater than 500 volts, with a current greater than one amp.
Partially as a result, males have a lifespan of 3 to 6 years, while females have a lifespan of 15 to 25 years.Despite the spider's name, birds are not the main prey of the goliath bird-eater.
They prey on invertebrates, frogs, and smaller fish, though they are known to attack anything moving when they are breeding.Snakeheads can breathe air and can survive out of water for up to four days. Not much is known about the world's biggest freshwater fish, although conservation efforts are underway.Big catfish are rarely considered dangerous to people. Unusual for spiders, the males are bigger than the females, perhaps because the males are more active hunters.The spiders can inflict a painful bite that is often accompanied by feverish symptoms.
The big snakes can be dangerous to people, though reports of deliberate predation are very rare.Like other boas, anacondas are nonvenomous, and they often kill their prey by constricting it.

Protection measures are said to include tough clothing, tying off extremities with ligatures, and avoiding urination around rivers. Mission MapQuest (17 questions)2 Capital cities of Europe (30 questions)3 Middle East Geography (13 questions)4 Urban Places (37 questions)5 United States Cities and States (14 questions)6 NC Geography Scavenger Hunt (14 questions)7 Urban Planning (16 questions)8 2015 Boyne City Ramblers (11 questions)9 Maps around the World (10 questions)10 Asia Geography Quiz (21 questions)11 Capital Cities (12 questions)12 Urban areas 2 (16 questions)13 European capital cities (10 questions)14 Population and demographics (16 questions)15 The Geography Adventure! By 2020, annual datacentre energy consumption is expected to reach 140 billion kilowatt hours in the nation. That's enough to kill an adult human being.Electric eels mostly hunt invertebrates, though adults also consume fish and small mammals. They prefer to eat insects and other invertebrates, although they will occasionally eat small vertebrates.
The goliath tiger fish, which can reach sizes up to 110 pounds (50 kg), is found in the Congo River and Lake Tanganyika.
They are occasionally known to hunt in packs, in which they can take down animals as large as hippos and rhinos. It was long believed that urine attracted the candiru, although a recent study showed that the animals displayed no interest in it.There are very few documented cases of candiru attacks on human beings, and a much discussed incident from 1997 has been met with considerable skepticism. This could cost business US$13 billion annually for electricity equivalent to that generated by 50 large coal-fired power plants emitting nearly 150 million tons of carbon pollution.
The big spiders are not generally considered dangerous to human beings, although they can bite if disturbed, leaving a wound about as painful as a wasp sting. Nile crocodiles occasionaly prey on human beings, with estimates ranging from several hundred to several thousand deaths a year.The ancient Egyptians feared and revered Nile crocodiles and worked them into their mystic religions. Several species of the fish are native to much of Asia, where they are commonly caught and are prized for the dinner table. Further, with an average width of a quarter of an inch and average length of three inches, the fish are a little large to enter a urethra.
Kopp's Geography Scavenger Hunt (18 questions)52 Around The World - World Geography 7 (26 questions)53 Savannah Morton Period 1 (11 questions)54 Kaaleb,s Country hunt (11 questions)55 capital cities (11 questions)56 Ethnicities (16 questions)57 Population (10 questions)58 GCSE Geography OCR (26 questions)59 Revision on World Geography Summer 2014 (11 questions)60 Palestinians and Israelis - Intertwined Nationalism (10 questions)61 How good is your geographical knowledge? Migrant Mother51 SiChuan and Kobe Earthquake52 THE LITTLE REFUGEE53 Louis Armstrong compared to Meghan Trainor 54 comparing and contrsting refugee camp55 Immigration Groups56 Out Of The Dust .VS.
Electricity75 tsunami comparisons76 Although China and the Ottoman Empire were both strong and expansive powers of the 19th century, the rising powers of the West (Europe) had begun to challenge the influence these two empires had in gl77 Urban and Rural Areas 78 Blake and Alanah's Ecosystem Venn Diagram79 Adolescent Brain80 Out of the Dust vs.
Although they were both pride centers of civilizations that succumb97 Volcanoes Science98 Ancient Greece City- States99 Tornados vs. Hurricanes100 AIDS in First world countries compared to third world countries101 Japan and China both borrowed from the west to modernize their countries however,China was not very successful because they did not want to give up old traditions.
Antarctic127 Comparing Countries128 Human and Physical Geography of Wisconsin 129 Volcano Vs Geyser130 National vs State 131 Immigrants in Canada132 Japanese and Canadian national symbols133 Backpackers VS. Soft Rain)138 AIDS in First And Third World Countries139 Volcano unit140 Comparison of Human and Physical Geography141 Brain Vs.
Human146 Comparisons and Differences Between New Zealand And A 3rd World Country147 Comparing Kapiti's and Niger's Enviroment148 migrant mother vs.
168 Desert and Reef similarites and differences 169 transport mechenisms in plants170 Volcano Venn Diagram 171 Rainbow Loom vs.
Warner on the Environment173 Hurricane Sandy and Hurricane Danny174 Geography Venn Diagram175 Physical & Human Geography of Qatar176 Comparing and contrasting Active and Passive Transport177 Active and passive transport. AIDS in 3rd World Countries179 Comparing 2 cities180 Compare & Contrats Passive Transport181 comparing and contrasting active and passive transports 182 Human And Physical Geography Of Dubai183 Compare and Contrast Active and Passive Transports184 Sanfransisco earthquake vs. Louis Pasteur185 Damages of Hurricane Katrina right after and years later186 Compare and Contrast the changes that the European and Maori populations had on the Botany area.187 Volcano Compare and Contrast188 AIDS Epidemic in First World & Third World Countries 189 National vs. Ethnicity55 Distinguish Race, Ethnicity, and Cutlure 56 Global Religions Triple Venn Diagram57 Venn Diagram - Ecosystems58 Key Elements of Race, Ethnicity & Culture59 WWII CountriesDustbin Game1 Tornado vs.

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