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Saturday, September 6, 2008
Education World
Friday, September 5, 2008
Food Guide Pyramid
Food Guide Pyramid
The Food Guide Pyramid is one way for people to understand how to eat healthy. A rainbow of colored, vertical stripes represents the five food groups plus fats and oils. Here's what the colors stand for:
- orange — grains
- green — vegetables
- red — fruits
- yellow — fats and oils
- blue — milk and dairy products
- purple — meat, beans, fish, and nuts
The U.S. Department of Agriculture (USDA) changed the pyramid in 2005 because they wanted to do a better job of telling Americans how to be healthy. The agency later released a special version for kids. Notice the girl climbing the staircase up the side of the pyramid? That's a way of showing kids how important it is to exercise and be active every day. In other words, play a lot! The steps are also a way of saying that you can make changes little by little to be healthier. One step at a time, get it?
The Pyramid Speaks
Let's look at some of the other messages this new symbol is trying to send:
Eat a variety of foods. A balanced diet is one that includes all the food groups. In other words, have foods from every color, every day.
Eat less of some foods, and more of others. You can see that the bands for meat and protein (purple) and oils (yellow) are skinnier than the others. That's because you need less of those kinds of foods than you do of fruits, vegetables, grains, and dairy foods.
You also can see the bands start out wider and get thinner as they approach the top. That's designed to show you that not all foods are created equal, even within a healthy food group like fruit. For instance, apple pie would be in that thin part of the fruit band because it has a lot of added sugar and fat. A whole apple — crunch! — would be down in the wide part because you can eat more of those within a healthy diet.
Make it personal. Through the USDA's MyPyramid website, people can get personalized recommendations about the mix of foods they need to eat and how much they should be eating. There is a kids' version of the website available too.
How Much Do I Need to Eat?
Everyone wants to know how much they should eat to stay healthy. It's a tricky question, though. It depends on your age, whether you're a girl or a boy, and how active you are. Kids who are more active burn more calories, so they need more calories. But we can give you some estimates for how much you need of each food group.
Grains
Grains are measured out in ounce equivalents. What the heck are they? Ounce equivalents are just another way of showing a serving size.
Here are ounce equivalents for common grain foods. An ounce equivalent equals:
- 1 slice of bread
- ½ cup of cooked cereal, like oatmeal
- ½ cup of rice or pasta
- 1 cup of cold cereal
* 4- to 8-year-olds need 4–5 ounce equivalents each day.
* 9- to 13-year-old girls need 5 ounce equivalents each day.
* 9- to 13-year-old boys need 6 ounce equivalents each day.
And one last thing about grains: Try make at least half of your grain servings whole grains, such as 100% whole-wheat bread, brown rice, and oatmeal.
Vegetables
Of course, you need your vegetables, especially those dark green and orange ones. But how much is enough? Vegetable servings are measured in cups.
* 4- to 8-year-olds need 1½ cups of veggies each day.
* 9- to 13-year-old girls need 2 cups of veggies each day.
* 9- to 13-year-old boys need 2½ cups of veggies each day.
Fruits
Sweet, juicy fruit is definitely part of a healthy diet. Here's how much you need:
* 4- to 8-year-olds need 1–1½ cups of fruit each day.
* 9- to 13-year-olds need 1½ cups of fruit each day.
Milk and Other Calcium-Rich Foods
Calcium builds strong bones to last a lifetime, so you need these foods in your diet.
* 4- to 8-year-olds need 2 cups of milk (or another calcium-rich food) each day.
* 9- to 13-year-olds need 3 cups of milk (or another calcium-rich food) each day.
If you want something other than milk, you can substitute yogurt, cheese, or calcium-fortified orange juice — just to name a few.
Meats, Beans, Fish, and Nuts
These foods contain iron and lots of other important nutrients. Like grains, these foods are measured in ounce equivalents.
An ounce equivalent of this group would be:
- 1 ounce of meat, poultry, or fish
- ¼ cup cooked dry beans
- 1 egg
- 1 tablespoon of peanut butter
- ½ ounce (about a small handful) of nuts or seeds
* 4- to 8-year-olds need 3–4 ounce equivalents each day.
* 9- to 13-year-olds need 5 ounce equivalents each day.
Whoa! That's a lot to swallow. The good news is that your mom, dad, and the other grown-ups in your life will help you eat what you need to stay healthy. There's more good news — you don't have to become a perfect eater overnight. Just remember those stairs climbing up the side of the new pyramid and take it one step at a time.
Thursday, September 4, 2008
Bollywood Dhamaka Old Is Gold
ALL NEW UPDATES CAN BE FOUND AT OUR NEW LOOK SITE BELOW YOU WILL FIND OLD STORIES 22nd October 2006 Stories 20th October 2006 Stories 19th October 2006 Stories 18th October 2006 Stories 17th October 2006 Stories 16th October 2006 Stories 15th October 2006 Stories 14th October 2006 Stories 13th October 2006 Stories 12th October 2006 Stories 11th October 2006 Stories 10th October 2006 Stories 9th October 2006 Stories 7th October 2006 Stories 6th October 2006 Stories Event Photos: Dilwale Dulhania's 500 weeks Click Here 5th October 2006 Stories 4th October 2006 Stories 3rd October 2006 Stories 2nd October 2006 Stories 1st October 2006 Stories |
DVR Technology
Brings New Life To Television Recordings
Wednesday, September 3, 2008
3G Mobile
If you're planning to buy a fancy PDA-phone or a 'smartphone' in the near future, check whether it's 3G compatible. If it isn't, it will either be obsolete by the end of the year, or certainly won't be as much fun to use.
For, five years after they first made an entrance and enticed a host of European telecom companies to bid over �100 billion in license fees, and then go bust, the next generation of mobile technology (3G) is finally here.
- Special: How to buy a mobile phone
For those who want to access the Net -- and that's really why you want a PDA-phone -- the 3G offers data speeds of well over 2 Mbps, which is over 10-20 times faster than what's available today on mobile phones that have GPRS facilities, or even on land lines that have what passes for broadband in most homes in the country today.
While there are already 20 million customers who have migrated to 3G mobiles (this was around six million last June), from the 2G GSM-platform globally, the state-owned Mahanagar Telecom Nigam Ltd has already floated a tender to four million lines of 3G equipment in India.
Market leader Airtel is currently surveying the market to see what capacity it wants to roll out with initially. By the end of next year, there could well be three operators offering 3G services in the country.
Since 3G is seen as a pricey technology in what is essentially a price-sensitive market, how well it will do on introduction will depend upon what kind of tariff plans are offered to customers, including the cost of the handsets.
While no local player has firmed up business plans as yet, no price plans can be indicated. But the European experience offers some valuable pointers on both costs of instruments as well as tariff plans.
3G-compatible handsets that cost around $700 last year are already down to around $300, and are expected to drop below $200 by the end of the year. By 2008, industry is looking at this halving.
The per line costs of a 3G network, similarly, have fallen dramatically, and are around 30 to 40 per cent higher than that for a conventional 2G network today.
But the advantage is that for the same amount of spectrum (the airwaves over which telecom signals are carried), a 3G network can carry over four to five times more voice traffic than a 2G network can, apart from giving high speed data access -- the effective costs, therefore, come down to levels that are not too much higher than existing 2G networks.
In Europe, 3G service companies have been dropping voice tariffs dramatically, though in return for a certain minimum bill size per month. Packages offered to customers committing to use 1,000 minutes a month in Europe are charging voice tariffs that are around half those available today on conventional 2G networks.
As a result, European telecom firms are looking at getting an average revenue per user, or ARPU, which is between 25 and 40 per cent higher than of a 2G bill.
Will price-sensitive Indian consumers shift in large enough numbers to a 3G system? While there's no doubt the market is low-value with each customer yielding just Rs 400 a month to the mobile phone companies (after deducting the licensing revenue share), around 5 to 10 per cent of customers pay monthly bills of more than Rs 1,000 per month.
Since most European 3G telecom firms are comfortable with customers who pay 25 to 40 per cent more than the average, this means potential 3G networks in India can bank upon a market of at least two to three million to begin with, and a lot more if they offer voice calls at a price lower than that offered by existing 2G networks.
Industry experts, however, are of the view that around 10 per cent of the existing 50 million mobile subscribers will move to 3G once it is introduced.
Over the past one year, according to data just released by IDC, non-voice revenue (basically SMS and surfing) for mobile phones grew by 139 per cent over the year.
This constitutes 5 per cent of current ARPUs and is expected to jump to 10 per cent within the next 12 months.
Another potential market that is growing by leaps and bounds today, and which could readily switch to 3G, is the current broadband Internet one, since speeds offered are many multiples of what is currently being offered.
And since the government has not allowed private providers to use MTNL [Get Quote]/ BSNL's existing copper lines to access customers, broadband Internet simply has to ride on a 3G backbone.
Airtel, which has an existing broadband customer base of around 100,000, says the growth is around 10,000 per month.
The only hitch right now could be a regulatory one with both GSM and CDMA (Reliance [Get Quote] Infocomm, primarily) operators locked in a battle over allocation of the 3G spectrum.
While GSM operators argue that the 1920-1980 and 2110-2170 Mhz spectrum frequency is the global standard for 3G operations (whether by GSM or CDMA players), the CDMA operators want this frequency for their current non-3G operations.
While the telecom regulator appears in favour of granting the CDMA operators what they want, the telecom ministry has not yet made up its mind on the matter.
This decision will determine whether Indians get to use 3G or not by the end of the year.
3G phone: The Motorola V1150 UMTS compatible mobile phone with a 2MP digital camera and a VGA video camera built in at the CeBIT technology trade fair on March 10 in Hanover, Germany
