Surya Grahan 2018 Today: No Need To Alter Any Dietary Habits During Partial Solar Eclipse, Say Experts - Canadanewsmedia
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Surya Grahan 2018 Today: No Need To Alter Any Dietary Habits During Partial Solar Eclipse, Say Experts

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2018 has been a great year, as far as celestial events are concerned. After July’s complete solar eclipse, sky-watchers are now getting ready to witness the partial solar eclipse or surya grahan today. The solar eclipse will take place on August 11, 2018 and will be visible to only some parts of the globe- countries that lie in the northern hemisphere of the globe. Unfortunately, astronomy enthusiasts in India will not be able to witness this particular eclipse, as it will only be visible over Northern Canada, North-eastern US, Greenland, Siberia, as well as some parts of Asia, including the cities of Seoul in South Korea and Shanghai in China.

Surya Grahan (Partial Solar Eclipse) Timings Today

In this particular solar eclipse, the Sun will reportedly be obscured by the Moon for a total period of three and a half hours on August 11, 2018. The solar eclipse time in India will be between 1.32 pm and and 5.02 pm.

Diet Myths & Superstitions Related To Partial Solar Eclipse:

One of the most commonly held solar eclipse related myth is that cooking or consuming food during the duration of the solar eclipse may be harmful, as it can turn the food poisonous. There is a myth that even chopping vegetables, fruits or any other eatables while the solar eclipse lasts, can contaminate or poison the food. Although, this myth gains traction around the time of a total solar eclipse, some people refuse to cook or eat even during partial eclipses.

No Dietary Restrictions Necessary, Says NASA

American space organization National Aeronautics and Space Administration (NASA) has been especially critical of all such myths, completely discrediting all of them. Addressing this particular belief of poisonous food during a solar eclipse, NASA had said last year, “Related to the false idea of harmful solar rays is that during a total solar eclipse, some kind of radiation is produced that will harm your food. If that were the case, the same radiations would harm the food in your pantry, or crops in the field.” It adds by saying, “If someone is accidentally food-poisoned with potato salad during an eclipse, some might argue that the event was related to the eclipse itself even though hundreds of other people at the same location were not at all affected.”

No Scientific Basis To Eating Restrictions, Say Doctors

Internal Medicine specialist Dr. Paritosh Baghel of SL Raheja Hospital in Mumbai is also in the favour of complete renouncement of such superstitions, related to celestial events, especially eclipses. “It (the myth) has got no scientific basis to it”, says Dr. Bagel, adding that the reason these beliefs have been perpetuated in cultures across the globe is due to ignorance. “In older times, people did not know why the Sun went dark (during an eclipse). In our culture, it was believed that it was being eaten by a demon. All around the world, different cultures have different kinds of reasoning. But the only reason behind these myths was ignorance and lack of knowledge”, he said, adding, “During an eclipse, you can do all the activities and follow all your dietary habits that you do on a daily basis”.

Dr. Baghel emphasises that there is no need for anyone to alter any of our dietary habits or schedules, due to any celestial event, including partial or complete solar eclipses.

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Global warming 'pause' about to end, raise Earth's temperatures further

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The past four years have been the hottest on record, but new research shows the Earth was actually in a global warming "hiatus" that is about to end. And when it does, natural factors are likely to help an already warming planet get even hotter over the next four years, according to a new forecasting model.

Rising CO2 levels have caused the temperature of the planet to rise, said lead author of the Nature Communications paper, Florian Sevellec, a professor of ocean and Earth science at the University of Southampton in the United Kingdom and a scientist at France's National Centre for Scientific Research.

Records show 2017 marked the 41st consecutive year with global temperatures at least marginally above the 20th century average, with 2016 being the record-holder. And it's likely that global temperatures in 2018 will be another one for the record books.

However, Earth's natural cycles, which include events like El Nino and La Nina, can also influence global temperatures.

And while Earth seems to have been running a fever for almost a decade straight, the natural cycles have been in their "cooling" phase, Sevellec says — and that's about to shift, raising the global temperature further.

"It will be even warmer than the long-term global warming is inducing," Sevellac said. 

This cooler phase of the planet's natural variability is responsible for what is often referred to as a global warming "pause" or "hiatus." While the planet continued to warm, it seemed to plateau. 

But that had to end sometime.

John Fyfe, senior research scientist at the Canadian Centre for Climate Modelling and Analysis at Environment and Climate Change Canada, says that multiple issues were at play but mainly the natural variability of the planet.

"I'm not at all surprised by the results," Fyfe said of the new study, in which he was not involved. "And the reason for that is that we have gone down this long slowdown period primarily due to internal variability, and the expectation was that we'd come out of it."

With the Earth continuing to warm, the chances increase for events like heat waves. (Yves Herman/Reuters)

Though CO2 levels were still increasing in Earth's atmosphere, natural cycles like the El Nino Southern Oscillation (ENSO) in the Pacific Ocean were cooler than normal and offset rising global temperatures. 

But, Sevellac says, "the long-term trend was building up."

This doesn't mean, however, that we can point to a specific area and better forecast, say, heat waves. Instead, this is a global measurement. But with the Earth continuing to warm, the chances increase for these events.

And global warming doesn't mean that every location on the planet warms uniformly — there are some regions that can be colder than normal — nor does it mean that each year is hotter than the previous one. Instead, it's an overall trend that can play out within a decade or more, with the temperature of the entire planet rising over time.

Probability vs. certainty

In order to test the ability to predict future climate outcomes, the model employs a method that looks backward. In this case, it was able to predict with accuracy the climate slowdown that occurred around 1998 and onward to roughly 2014.

But it's important to note that this is a probability, not a certainty.

The model shows a higher temperature than what was predicted based just on the increased CO2: the probability is 58 per cent for global surface air temperature and 75 per cent for sea surface temperatures.

"Because we tested it over the last century, we know that we are accurate for the likelihood," Sevellac says. "But the likelihood doesn't mean it will occur … there exists a small chance of being cold."

We could already be seeing a shift: after a record-breaking El Nino year just two years ago in 2016 — which caused heat waves, coral bleaching, drought and flooding around the world — the U.S. Climate Prediction Center is forecasting a 70 per cent chance that another one is on its way this winter

There's no telling how long the cycle will last, if it does manifest: it could be five years or 10. But what's important to note, Sevellac says, is that rising CO2 is still the key player in the warming of the planet.

While the study shows that the Earth's natural variability can have an influence in the short term, Sevellac says, "I think it's also a demonstration that global warming will still be there after all this natural variability."

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Scientists Develop Lab-Made Mineral That Will Suck CO2 From The Atmosphere

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Magnesite sample

A dream solution is that humans could develop a way to suck as much CO2 from the atmosphere as we release, and combined with greenhouse gas emission reductions, we could slow or reverse the tide of climate change.

Scientists have found a way to rapidly create the mineral magnesite in a lab both inexpensively and potentially at scale. This could be coupled with carbon sequestration, a process in which carbon is injected and stored underground, typically in depleted oil and gas fields. Reducing the concentration of CO2 in the atmosphere can be both a result of reducing input as well as increasing output of carbon dioxide from the atmosphere.

The research was presented recently at the Goldschmidt conference in Boston by Professor Ian Power of Trent University, Ontario, Canada. Their findings outline a novel way to rapidly produce magnesite inexpensively and at room temperature, allowing for the expansion of the process to an industrial scale.

If implemented at scale, the potential for another tool of CO2 removal via magnesite becomes a possibility, removing carbon dioxide from the atmosphere and storing it long-term in the mineral magnesite.

Below is a breakdown of the potential chemical reaction by which carbon dioxide can be removed from the atmosphere to create magnesite.

CO2+ H2O→H2CO3→ H++ HCO3

Mg+2+HCO3− →MgCO3+H+

To explain the above equations, carbon dioxide from the atmosphere is injected into water, which is then dissociated to form carbonic acid. From there, elemental magnesium combines with the carbonic acid to form magnesite (MgCO3).

At this time, most carbon capture and storage options are difficult to implement at scale due to high costs and difficulties scaling. With this new method, however, the rate of magnesite formation goes from hundreds to thousands of years in nature to within 72 days in a lab and at low temperatures.

Based on previous studies, magnesite can remove about half its weight in carbon dioxide from the atmosphere. Estimates put our current CO2 emissions at about 40 billion tons per year. That would mean to remove the equivalent amount of carbon emitted per year solely through magnesite formation, 80 billion tons would have to be produced per year. It becomes increasingly apparent that this cannot be the only lever we pull in mitigating climate change.

By speeding up the process, magnesite could be a legitimate resource for removing carbon dioxide from the atmosphere. However, the research is still in an experimental phase and will need to be continually tested before it could ever be implemented at industrial scales. In addition, the process will rely on the current price of carbon and financial incentives to remove carbon from the atmosphere.

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Royal Tyrrell research blows swimming dinosaur theory out of the water

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A model of a Spinosaurus is displayed outside the entrance at the National Geographic Society in Washington.


Pablo Martinez Monsivais / AP

New research published by the Royal Tyrrell Museum on Thursday has sunk previous claims that a swimming dinosaur once paddled the rivers of the Earth.

The paper, published in scientific journal PeerJ, uses computer modelling to conclude the Spinosaurus was not adapted to swim as previously thought.

Research published in 2014 by Nizar Ibrahim and others in the journal Science proposed the dinosaur was partly aquatic, meaning it could both swim and walk on land, a first for any dinosaur.

But using different techniques that relied on physics-based testing methods, the Royal Tyrrell Museum’s curator of dinosaurs, Donald Henderson, found that the 95-million-year-old species would not have been able to survive living in water.

Henderson created three-dimensional, digital models of Spinosaurus and other predatory dinosaurs in order to test their centres of mass buoyancy and equilibrium when immersed in water. He also tested the software using models of semi-aquatic animals such as an alligator and emperor penguin, for comparison.


Henderson’s models showed that Spinosaurus could float with its head above water. However, models of other dinosaurs demonstrated similar results.

Courtesy Royal Tyrrell Museum

His models showed the Spinosaurus would have been able to float with its head above water and breath freely, just like other dinosaurs analyzed in the study.

But unlike semi-aquatic animals like alligators, which can easily self-right themselves when tipped to the side in water, the Spinosaurus rolled over onto its side when tipped slightly. The finding implied that the dinosaur species would have easily tipped over in water, forcing it to rely on its limbs to constantly maintain an upright position.

Its centre of mass was also found to be close to its hips, between its hind legs, as opposed to the centre of the torso, which had been proposed by Ibrahim’s 2014 research.


A digital model of the centre of mass of Spinosaurus (illustrated by the black plus symbol located at the hind legs), which is similar to that of other theropods, such as Tyrannosaurus rex.

Courtesy Royal Tyrrell Museum

Henderson’s model found the Spinosaurus to be unsinkable underwater, something that would have severely limited its ability to hunt aquatic prey. This differentiates it from traits commonly demonstrated by living aquatic birds, reptiles and mammals, which can submerse themselves to pursue prey underwater.

The combination of mass close to the hips, an inability to sink underwater, and a tendency to roll onto its side unless constantly resisted by limb use, suggest that Spinosaurus was not specialized for a semi-aquatic mode of life,” the researchers stated.

“Spinosaurus may have been specialized for a shoreline or shallow water mode of life, but it would have still have been a competent terrestrial animal,” added Henderson.

shudes@postmedia.com
Twitter.com/SammyHudes

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