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It seems that big oil and their Congressional allies are relentless. When it comes to drilling in the Arctic National Wildlife Refuge (ANWR), there is never a crisis for which drilling isn’t the answer. High oil prices? Drill the ANWR. Too few jobs in America? Drill the ANWR. The latest crisis, what can we do to reduce the deficit, has the same answer—drill ANWR.
The House Natural Resources Committee held a hearing on Sept. 21 to discuss opening the ANWR to oil and gas drilling, and using the revenue to pay down the federal deficit. As with many of these hearings, there was heated rhetoric from both sides. While drilling promoters trotted out questionable jobs statistics, defenders of the ANWR quickly pointed out flaws in the arguments—many of them stemming from inflated numbers in an oil-industry produced jobs report.
“It’s not creative. It’s not new,” said Gene Karpinski of the League of Conservation Voters of the idea to drill in the ANWR. Karpinski and David Jenkins of Republicans for Environmental Protection defended the ANWR from the pro-drilling witnesses, including the Alaska congressional delegation, noting that the estimates of available oil and job creation potential were suspect at best, and would have devastating impacts on the ANWR.
But while members of Congress argued in Washington, another hearing was taking place across the country, showing how much support the ANWR has in Alaska.
In Anchorage, the U.S. Fish and Wildlife Service hosted a public hearing on the ANWR's draft revised Comprehensive Conservation Plan, and people who spoke in favor of wilderness protection for the coastal plain and other parts of the refuge outnumbered the pro-drilling crowd by a margin of 2 to 1.
Many Gwich’in tribal members attended, and a wide array of citizens spoke passionately about their love for the refuge and the importance of preserving it for future generations. Instead of pleas for short-term gains in oil revenue and jobs, the majority of Alaskans at the hearing called for responsible stewardship of wildlife, the preservation of a unique and irreplaceable landscape, and protections for native culture and subsistence ways of life.
The message from Alaskans was clear—the ANWR is too special to sacrifice for oil.
The question is, will anyone in Washington listen?
For more information, click here.
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In a pilot study at the University of Helsinki, dogs trained as medical diagnostic assistants were taught to recognize the previously unknown odor signature of the COVID-19 disease caused by the novel coronavirus. And they learned with astonishing success: After only a few weeks, the first dogs were able to accurately distinguish urine samples from COVID-19 patients from urine samples of healthy individuals.
Important Findings for Other Teams<p>The very rapid and promising findings from Finland are also important for other research teams, such as those in Great Britain and France, who are training sniffer dogs to detect COVID-19.</p><p>Fellow researchers from the <a href="http://assistenzhunde-zentrum.de/index.php/news/covid-19-hunde" target="_blank">German Assistance Dog Center (TARSQ)</a> have also benefited from the Finnish results.</p><p>"No one could tell us with certainty whether training with the aggressive virus is <a href="https://www.dw.com/en/dutch-house-pets-test-positive-for-coronavirus/a-53460111" target="_blank">dangerous or not for humans and dogs</a>. We wanted to gather more information first before we started training because the German virologists advised us against it — after all, so little is known about the virus so far," explains Luca Barrett from TARSQ.</p>
Where Does the Characteristic Smell Come From?<p>It is still unclear which substances in urine produce the apparently characteristic COVID-19 odor. Since SARS-CoV-2 not only attacks the lungs, but also causes damage to blood vessels, kidneys and other organs, it is assumed that the patients' urine odor also changes. This is something which the dogs, with their highly sensitive olfactory organs, notice immediately.</p><p>Certain diseases appear to have a specific olfactory signature that trained dogs can sniff out with amazing accuracy, Barrett says.</p><p>"According to one study, dogs can detect breast cancer with a 93% probability, for example. And lung cancer with a 97% probability," she says.</p><p>But dogs can also identify skin cancer, colon cancer, ovarian cancer or prostate cancer very reliably, according to Barrett. "The hit rate, which was not so good in the early days of training, has risen enormously in recent years," she says.</p>
Hit Rate Decisive<p>Besides cancer, the <a href="https://www.dw.com/en/german-sniffer-dog-makes-1-million-drug-bust/a-53433307" target="_blank">dogs</a> can also detect Parkinson's disease. Parkinson's sufferers smell different even years before they have the disease. "That's how we came up with the idea of training dogs as an early warning system for Parkinson's," Barrett says.</p><p>Dogs are also trained to detect malaria, but the hit rate is not yet satisfactory, she says. So far, the dogs recognize seven out of 10 infected persons, which is not enough.</p><p>A high hit rate is, of course, also absolutely necessary when training for the aggressive SARS-CoV-2 pathogen, according to Barret. "We hope that the hit rate for the coronavirus is significantly higher in the fully trained dogs; after all, it would be very dangerous if COVID-19 were not detected," she says</p>
Trained Tracking Dogs<p>Dogs' ability to smell is about a million times better than that of humans. Humans have about 5 million olfactory cells, compared with 125 million for dachshunds and 220 million for sheepdogs.</p><p>Dogs also inhale up to 300 times per minute in short breaths, meaning that their olfactory cells are constantly supplied with new odor particles. In addition, dogs' noses differentiate between right and left. This spatial sense of smell allows the animals to follow a trail more easily.</p><p>During the training sessions, the dogs — mostly Labrador retrievers or retrievers in general, but also cocker spaniels or sheepdog breeds — are each trained for one scent. That can be the smell of a drug or an explosive, or, as here, the olfactory signature of a specific disease.This means that one dog cannot recognize several types of cancer.</p><p>The animals are trained with containers holding samples of breath or sweat, for example. As soon as they have identified the smell they are looking for, the dogs hear a click and get a treat. They are reliably trained for the one smell on this reward principle.</p>
Great Potential, Great Skepticism<p>Drug and explosive detection dogs have been used for some time. But trained medical scent detection dogs are also now working in hospitals. For example, they sniff the bodies of patients with suspected skin cancer to try and detect the disease — only with the patients' consent, of course. So these skilled snufflers are helping doctors in diagnosing diseases and detecting them early on.</p><p>However, so far there are only very few medical detection dogs. The dog owners almost always work voluntarily and the trained sniffer dogs live in normal households. There is great skepticism, especially among traditional doctors and health insurance companies, even though the first indications given by the dog have to be followed by further medical tests anyway and a lot of time and costs could be saved by early cancer detection.</p>
Possible Coronavirus Applications<p>If the findings from Finland are confirmed, the sniffer dogs with their extremely sensitive sense of smell could prove to be a great help in the fight against the new coronavirus.</p><p>Luca Barrett from TARSQ can easily picture coronavirus sniffer dogs being used in situations where there is a high risk of infection. For example, people attending football matches and other major events could be checked before they are admitted.</p><p>The dogs could also be employed at airports to scan people entering a country. "When the dogs go down the queue, they can detect if someone is healthy and can enter the country. But if a person smells of COVID-19, the handler could send that person to a coronavirus testing center instead," Barrett says. That is because a second test is still needed to confirm the dog's initial sniff detection.</p><p><span></span>Barrett says dogs could also be used to search for the virus on surfaces. For example, before passengers board an aircraft, a four-legged friend could first check whether the machine is free from SARS-CoV-2. Similar measures are planned for doctors' surgeries, aged care homes or nursing homes that have had to be evacuated because of COVID-19 cases. Before these are used again, a sniffer dog could check whether the environment is "clean."</p>
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