FG News

Reduced Navigational Skills- A Sign of Neurodegenerative Disease

15 Sep 17

A human mind performs a number of functions all the day, even when we are sleeping. With the help of our mind, we are able to live a normal life. Navigation is a technique to focus on the process of monitoring and controlling the movement from one place to another. Ageing affects the capacity of mind in various ways. It is considered among the biggest known risk factors for most of the human disease. The key structure of the 'navigational network' in our brain is very sensitive. Aged people are considered more vulnerable to Alzheimer's disease or Dementia (Memory Loss). Neurodegenerative disease is a blanket term that is used for a series of situations that initially affects the neurons in the human brain that are called the building blocks of the nervous system that includes spinal cord and brain. It is impossible to replace Neurons as they do not reproduce. So, if it gets damaged it can’t be replaced by the body. They are incurable diseases that lead to death of nerve cells. It directly creates trouble in movement like navigating places, routes or an address. Early diagnosis of Alzheimer's disease can reduce the consequences of the disease. However; it also varies as per individual's medical history, genetic risk factors, and performance on tests that measure memory.

By: Anita Aishvarya

Content: www.sciencedaily.com

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Paris' Air Pollution Hits A New High With Smog Monday

22 Feb 18

The Parisians have been warned by the Ile-de-France authorities about the bad weather and the rising air pollution that is gripping Paris lately. Parisians experienced an alarming upsurge in fine-particle matter this Monday. Not a good start to the week. Paris is likely to officially surpass the "warning" threshold of the poor air-quality. There have been earlier reports in the past few years that Paris pollution might have been even worse than Beijing and Delhi. Smog levels of Paris are constantly compared to its high-end counterpart - London!

According to the Airparif, the monitoring network of the air quality in Paris for Ile-de-france, reported that the concentration of these very fine and unhealthy particles in the atmosphere expectedly to be somewhere between 45-55 µg/m3. The warning threshold of this perimeter is of 50 µ/m3 which has led Airparif to believe that the city can experience a dangerously high level of pollution. The capital needs to take some drastic action to avoid it. Paris police have called out to their drivers and motorists in Ile-de-France to reduce their speed to 100 km/hr from 130 km/hr on the motorways and 90 km/hr from 110 km/hr on fast lanes and dual carriageways. You can maintain a speed of 70 km/hr rather than 90 km/hr everywhere else. Anyone driving a vehicle that has a load of 3.5 tonnes in weight is asked to stay out of the capital.

By: Neha Maheshwari

Content: https://www.thelocal.fr/20180219/smog-monday-paris-air-pollution-levels-to-hit-dangerous-high

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Some Simple Steps to Help Scoring Better Marks in 10+2 Exam

23 Feb 18

Marks have been a major concern for all students as it has become the criteria for getting selected in desired universities. As such children are worried about scoring best marks. Most of the students don’t take their studies seriously throughout the year and expect some sort of trick to get good percentage in the last three months. There are some simple steps that one should follow to get better marks.

  1. Students should try to improve their present performance by comparing it to their own past performances. Self evolution is the best thing to do well.
  2. They should try to follow and complete their syllabus books rather than going behind heavy reference books and keys.
  3. One should mark his own mistake and promise to himself not to repeat it again.
  4. Time is also a deciding factor in exams, therefore one should never ignore it. Value the time before and during exams. Practice to solve questions in a limited time. They should themselves decide how much time they should assign to studies.
  5. Don’t ignore subjects like English, Hindi etc. as they also add to the overall marking.
  6. Do practice and solve previous year questions as they will bring perfection.
  7. Always mind the handwriting and make the answer sheet look presentable.
  8. Be in a relaxing mode to the night before the exam and sleep early.
  9. During the exam, first read all questions carefully and solve the questions that can be solved easily rather than wasting precious time in solving tough questions.
  10. Underline the important points in the answer paper.
  11. Utilize all the time given for the exam. Don’t make hurry.

By: Anita Aishvarya

Content: http://www.4ono.com/score-more-than-90-percent-marks-board-exams-2016-17/

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Link between Alzheimer's and Brain's Ancient Immune System

21 Feb 18

When neuroscientists Robert Moir and Rudolph Tanzi decided to conduct a research on antimicrobial peptides, they discovered quite interestingly that part of the ancient immune system plays an important role in protecting brain. While surfing through papers, they came across a molecule called LL-37 that looked like molecule Amyloid-Beta that is found in people with Alzheimer's. Amyloid-Beta forms sticky plates that tend to build up in brains of people with dementia. This is when they decided to conduct research on how innate immune system is linked to Alzheimer's.

 Their hypothesis was that amyloid-beta is not a toxic waste product, rather good and formed around the brain for self-defense during such brain conditions. By 2010, they demonstrated that amyloid was really good at killing bacteria and by 2016, they showed it doing similar things in worms and mice. And finally, they were able to show that during Alzheimer's, brain's immune system goes awry and the tangles and plaques are a part of that system. Scientists have come out with several possibilities of why this happens like system is overreacting to viruses and bacteria that get into the brain or getting muddled and attacking healthy cells. That result can be quite useful as if either of the possibilities is true then it is possible to interrupt the cause of Alzheimer's before it happens.  

By: Neha Maheshwari

Content: https://www.npr.org/sections/health-shots/2018/02/18/580475245/scientists-explore-ties-between-alzheimers-and-brains-ancient-immune-system

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Food Served to In-Patients is Exempted from GST

20 Feb 18

Goods and Services Tax (GST) has become a matter of discussion not only among big economists but also among common man. Dismissing all the doubts about applying the GST on the food served at various places, the government has declared that no GST will apply on the food served to patients in hospitals.

But at the same time, the patients who are not admitted in the hospital will have to pay tax on the total value of food served by the hospital within its premises. The Revenue Department also gave justification for not levying GST on services provides by the hospitals and its staffs including doctors by saying that these services are covered under the healthcare services. Foods supplied to in-patients are exempted from GST as they come within the healthcare services. But if it comes to the question of the attendant or the visitor of the patient, then it is taxable. The decisions of exempting food served to in-patients have been taken after getting advice from various doctors and health experts. It is a relief for the patients who already pay a lot to hospitals for their treatment. 

By- Anita Aishvarya

Content: https://economictimes.indiatimes.com/news/economy/policy/no-gst-on-food-served-by-hospitals-to-in-patients/articleshow/62916905.cms

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Solar System's First Interstellar Visitor Is Tumbling Wildly

19 Feb 18

Scientists are still confounded by the mysterious object 'Oumuamua' that was detected by the Pan-STARRS observatory last year. They confirmed that 'Oumuamua' is the first ever interstellar visitor ever discovered. Although, it was moving so fast to get a closer look of it. There will still a lot of instruments that were used to determine the size, trajectory etc of the steroid (it's not an alien spacecraft).

A new study suggests that it might have extremely violent origins. Oumumua was first thought to be a comet ejected from the Oort cloud. But, it was actually a rock of truly bizarre measurements. It is roughly shaped like a cigar and has a width of around 30 metres and a length of 200 metres. On the other hand, most asteroids in solar system are lumpy and potato-shaped. Researchers at Queen's University Belfast in Northern Ireland have published a paper that shows 'Oumuamua' is not just tumbling but is tumbling chaotically. The scientists do not know the reason behind it but speculate it might be due to the way it is ejected from its home solar system. The team's observations also shows that 'Oumuamua' has a very complex compositions with the color of the dirty snow and large red spot on one side. This interstellar visitor is already quite near to the orbit of the Jupiter and on its way out of the solar system at a staggering rate of 38.3 km/second.

By: Neha Maheshwari

Content: https://www.livescience.com/61742-oumuamua-violent-past.html

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