Showing posts with label researchers. Show all posts
Showing posts with label researchers. Show all posts

Wednesday, August 12, 2009

That refreshing Cuppa

Tea is that invigorating and stimulating beverage that we all take for granted but most can’t live without. Now tea is the source of a great career as well. Jobs in this field can be quite interesting. Known as tea management, there are jobs for researchers, plantation managers, tea brokers, consultants and of course, tea tasters.

If you are a nature lover and believe in working in the field, then plantation work should suit you best. The work involves nurturing tea plants, so you must know how to prepare the soil, apply the appropriate fertilizer, choose the right variety of fertilizer etc. Two leaves and a bud is the mantra that plantation managers live by, says Ranjana Dutta, principal and Secretary of the Dipras Institute of Professional Studies.

Processing involves the crushing, tearing and curling of the leaves, which takes place in factories. The tea is then packed and dispatched to auction centre. The various samples of tea from different plantations are tested, blended and branded by tea tasters at the auction centres. Tea brokers who have a background in planting, tasting and a know-how of market trends, auction the tea and the marketing personnel sell the final product. Although computers are now used to blend varieties of tea, a tea taster’s verdict is still considered the ultimate test.

If you wish to take up a career in this field, you must have a liking for outdoor life. You must be physically fit and self-reliant as well. A leadership quality and the ability to deal with labour are added assets for factory managers.

Tea tasters need to have keen taste buds and refrain from smoking, drinking and eating spicy food. Those planning to become brokers should be level-headed and disciplined and be able to strike a good rapport with producers and buyers.

Anybody who has a basic educational background can get into the tea industry, and pick up the skills required on the job. However, a degree in Agricultural Science or a B.Sc. in Botany, Food Sciences, Horticulture or allied fields is preferred these days. Candidates who have specialized in business management or marketing are recruited for marketing jobs.

According to Dutta, Dipras also conducts three stages of practical training. First, a three-day training at STEP – IIT-Kharagpur, followed by a six-week training at a tea estate and then a week’s training at a broker or auction house. New entrants are taken on as assistants at the plantation level. After gaining experience, an assistant can get promoted to the level of Assistant Manager, and then Manager of a tea garden. Most assistants can expect to become managers after 12-15 years of service.

Potential tea tasters selected are trained on the job. Besides natural talent, vigorous training for a number of years is essential before you don the mantle of a professional tea taster and then a tea tasting manager. A tea taster should be able to tell the difference between a mellow cup and a brisk cup and be able to sniff a smoke tint in the tea. His palate should be so trained so as to be able to register even the most minute difference. Tasters also have to coordinate with gardens, look after import and exports, advise researchers on commercial factors like economic viability and quality of tea etc. the world of tea is best suited for nature lovers. However, long spells of loneliness are a common occurrence. Despite the draw backs, many young people are coming into the profession because of the good pay, attractive perks including a comfortable lifestyle. Tea companies or tea gardens, tea broking houses, tea associations and the Tea Board of India offer lucrative positions. Trainees get, on an average, Rs 5,000 while senior professionals draw Rs. 25,000 per month and specialized professionals can earn in the range of 40, 000-50,000 per month.

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Sunday, July 26, 2009

Less is best

How do you keep your eating in check? Here’s one way: visualize your last meal. A recent British study found that women who were asked to write a detailed description of what they’d eaten for lunch that day snacked significantly less in the afternoon than those who didn’t focus on their last meal. Researchers speculate that recalling a specific, vivid memory activates the hippocampus, an area of the brain belived to be responsible for both decision making and memory recall, giving would-be snackers better appetite control.

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Thursday, July 23, 2009

Going to the beach?

A study found that sand can also contain high levels of fecal bacteria, and that people who dig in it get sick. Swimming in water that contains too much bacteria from sewage and other sources is a well-known risk for getting sick. But playing in sand next to water may even be riskier, a new study founds.

Writing in The American Journal of Epidemiology, researchers said the sand could also contain high levels of fecal bacteria, and that people who dig in it could develop gastrointestinal illnesses.

For the study, researchers got contact information from more than 25,000 people visiting seven beaches with in seven miles of sewage treatment plants. About 10 days later, the researchers asked how they had spent their day at the beach and whether they had experienced problems like vomiting or diarrhea since then.

Those we dug in the sand, the study found, were significantly more likely to report having been sick-with those who had allowed themselves to be buried in the sand most affected. Children seemed to be at extra risk.

It is not uncommon for swimming to be temporarily banned when there are high levels of bacteria, often from treatment plants, run off from cities or animal life, until the water clears. It may be more complex when sand is involved, said the lead author of the study, Christopher D. Heaney of the University of North Carolina in Chapel Hill. It may be that the bacteria can continue to live in the sand even after the bacteria in the water has returned to normal levels.

Heaney said people should wash their hands before they eat on the beach.

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Sunday, July 5, 2009

Cardiac stem cell trial to heal heart

Doctors at the Cedars-Sinai Heart Institute announced recently the completion of the first procedure in which a patient’s own heart tissue was used to grow specialized heart stem cells that were then injected back into the patient’s heart in an effort to repair and re-grow healthy muscles in a heart that had been injured by a heart attack.

The 24 patients participating in the study. Once enrolled in the study, patients go through a three-step procedure.

Using a catheter inserted through a vein in the patient’s neck, doctors remove a small piece of heart tissue, about half the size of a raisin.

Heart stem cells are cultured from the tissue using methods invented by the researchers, according to a Cedars-Sinai press release.

It takes about four weeks for the cells to multiply to numbers sufficient for therapeutic use, approximately 10 to 25 million.

In the third and final step, the now-multiplied cardiac stem cells are re-introduced into the patient’s coronary arteries during a second catheter procedure.

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Friday, July 3, 2009

Aerobics: healthy brain even when old

A recently study has shown what was always known. Elderly people who are active show better cerebral health than those who are inactive, says the latest study.

Researchers led by Elizabeth Bullitt, neurosurgeon at the University of North Carolin (UNC) School of medicine, used non-invasive magnetic resonance (MR) angiography to examine brain blood vessels in the elderly, aged 60 t0 80 years.

The subjects were equally divided into two groups. The high activity group reported participating in an aerobic activity for a minimum of 180 minutes per week for the past 10 consecutive years.

The low activity group told investigators they had no history of regular exercise and currently spent less than 90 minutes a week any physical activity.

The researchers did not know into which group participants were placed.

New-vessel formation

Aerobically active subjects exhibited more small-diameter vessels with less twisting, than the less active group, exhibiting a vessel pattern similar to younger adults.

The authors identified significant differences in the left and right middle cerebral artery regions, which was confirmed by more than one statistical analysis.

Becoming a younger

The brain’s blood vessels naturally narrow and become more tortuous with advancing age, but the study showed the cerebral-vascular patterns of active patients appeared younger than those of relatively inactive subjects.

The results of the findings are scheduled for publication in the July edition of the American Journal of Neuroradiology.

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Tuesday, June 30, 2009

How to stay fit as a fiddle

Workout forty minutes of exercise a day may be the magic number for staying slim

Follow this easy goal to achieve your best body: set your watch-40 minutes of exercise a day may be the magic number for staying slim, report university of Pittsburgh researchers. In a study of more than 200 women who had successfully completed a weight loss program, those who continued to exercise enough to burn about 1,835 calories a week were most likely to have kept the pounds off 2 years later. You can hit that number with 40 minutes of brisk walking a day, say researchers.

Proof against sugar: here’s motivation to pencil in an a.m. workout when the evening’s festivities are going to include sweet: a Washington university school of medicine study found that exercise may protect your heart long after you step off the treadmill. Sugary snacks cause blood vessels to temporarily lose their elasticity, which over time increase heart disease risk. but physical activity can help: when researchers gave each subject a candy bar and soda 17 hours after doing an hour of moderate-intensity cardio, the exercisers were able to pump 28% more blood than those who’d rested and ate the same sugar-laden meal.

Three steps to faster firming: tone up and best boredom with these smart variations on old favorites:

1. Instead of lunges try clock-work lunges: standing with hands on hips, picture yourself in the center of a big clock. Lunge toward 12:00 with right leg, bending both kness, right knee over ankle (A).return to start, then lunge right leg sideways towards 3:00; bend right knee and hips, sitting back, while keeping left leg straight (B).return to start and step left foot back into lunge towards 6:00, then sideways to 9:00, repeat in counter-clock-wise direction, beginning with left foot.

2. Instead of push-up try asymmetrical wall slides: stand with arms extended, hands on wall at shoulder height, back straight and leaning in about 45 degrees. Slide right hand out to side about 12 inches and bend elbows, lowering chest towards wall. Straighten and return to start. Repeat, sliding left hand to side. alternate for 8 to 10 reps.

3. Instead of squats try staggered-stance leg lifts: stand with feet hip-width apart, left foot about 12 inches in front of right, arms extended. Bend knees and hips to sit back. As you stand, shift weight onto left foot and lift right leg behind. Do 8 to 10 reps.switch legs and repeat.

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Birds identify eggs by their colour: study

Melbourne: avians are more intelligent than you ever thought-they use color to identify the eggs of ‘parasite’ birds, such as as cuckoos, from their own and eject them from their nests, a new study has revealed.

Researchers in Australia have found that birds have the ability to recognize small changes, particularly in the ultraviolet wavelengths, which help them in distinguishing between their own eggs and eggs of other birds.

According to lead researcher Dr Mark hauberk of the university of Auckland, “birds have very different visual senses to humans, for example they can see ultraviolet wave-lengths where we cannot.” those birds which parasitically introduce their eggs into the nest of other birds dramatically increase the amount of time and energy needed to Provision the nest. “Our research shows that the peculiar broad spectrum color is vital to recognise their own eggs, and can identify small differences as well as wave-lengths that humans wouldn’t be able to distinguish.” In their study, the researchers introduced eggs into the nests of song thrushes in Australia and range of colours close to the bird’s own eggs.

They found that the birds ejected eggs of different colours from their nests, particularly those with differences in reflecting ultraviolet or short (blue) wave-length light, the biology letters journal reported.

The research was conducted in collaboration with the University of Birmingham in Britain and Palacky University in the Czech Republic.

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