مستوى مبتدئ

On August 13, Los Angeles Mayor Eric Garcetti along with officials from the water department watched as the last 20,000 "shade balls" rolled their way into the city's largest in-basin water reservoir. The release marked the final phase of the project that involved covering the 175-acre lake with 96-million four-inch black plastic balls. Their purpose? To provide shade and improve water quality....

When Ying Ying walked up on the stage at a recent audition of the Amazing Chinese Show, the judges were not sure what to expect. After all, she is just five-years-old. So you can only imagine their surprise when the poised girl began showcasing her unique "hypnotizing" skills on some unsuspecting animals....

At first sight, Mcity near Ann Arbor, Michigan looks just like any other U.S. town or city. However, look closer and you will notice that the buildings are merely facades and the sidewalks, eerily empty. In fact, the only things you will encounter are cars zipping around, many with no humans at the helm. Welcome to the world's first car city - a 32-acre vehicle haven created by the University of Michigan to test new automotive technology....

Can't decide between vacationing in the hot and arid deserts of Dubai or the freezing Arctic tundra? Then you may want to head to Stockholm's Arlanda Airport where an innovative climate portal allows travelers to experience worldwide weather with just a touch of a button....

Food waste is a growing concern. According to a recent report by the United Nations Environmental Programme, consumers in industrialized countries waste as much as 222 million tons of food annually. To put it in perspective, that is almost equivalent to the net food production of sub-Saharan Africa. Now the residents of the small Spanish town of Galdakao have devised a simple solution to help reverse the trend - a community refrigerator!...

Every year about this time, stargazers start to get excited about the Perseids, the biggest and most spectacular of all meteor showers. The "shooting stars" are already streaming through our skies at the rate of about a dozen an hour. However, from August 11 to 14, the pace will accelerate to almost a hundred an hour, making them fairly easy to spot even without a telescope. The best part is that unlike last year, there will be no "super" supermoon to steal their thunder....

To the novice listener, the Australian Chestnut-crowned babbler's sweet melodies may sound like any other birdsong. However, to ornithologists it is a series of sounds which when combined, forms a unique bird-like vocalization or what we refer to as language. The discovery is exciting because the tiny birds are the first nonhuman species known to communicate using language....

How do Londoners react when they see a stranger in distress? Do they ignore the person's plight or rush to help? That is what the folks at Action Productions, a newly established ethically driven creative agency recently tested on the streets of the bustling city....

Our eyes tear up for various reasons. The most common, known as basal, are involuntary tears that are continuously being released to keep the cornea moist. Then there are reflex tears that are shed when eyes are exposed to irritants like dust or onion vapor. And finally, emotional or psychic tears that pour out when one is experiencing extreme happiness or grief....

After bidding farewell to his job as a designer for Ralph Lauren in 2011, Foster Huntington embarked on a nomadic lifestyle, traveling around the country in a Volkswagen Syncro Camper Van. To make ends meet, he worked as a photographer and blogger and even published a book called Home is Where You Park it, about his unusual lifestyle. But all good things have to come to an end. By 2014, the young man was ready to settle down in a more permanent home....

July 4, 2015 was America's 239th birthday. To celebrate the occasion, residents hosted barbecues, sought out the closest fireworks shows and . . . watched in emotions ranging from total awe to horror, as the contestants of Nathan's Famous Fourth of July International Hot Dog Eating Contest tried to outdo each other by devouring copious amounts of hot dogs in ten short minutes....

Any designer worth his/her salt can create a chic wedding gown using silk, satin or chiffon. But to craft one from a few rolls of toilet paper takes some talent. That, however, is exactly what the ten finalists of the 11th Annual "Toilet Paper Wedding Dress Contest" showcased on June 17, 2015....

On June 21st, the 30,000 visitors that attended the , a six-month-long Universal Exhibition that is currently going on in Italy, were in for a special treat - a slice of the world's longest pizza! Measuring 1.59545 kilometers, or just under a mile, the delicious pie that extended across 800 tables handily surpassed the previous record holder - a 1.1415-kilometer-long pizza made by Spanish chefs in 2011....

Some people like to grow fruits, others prefer to focus on vegetables. Then there is Gavin Munro, who is partial to cultivating furniture. No, he is not a scientist with a crazy idea, but an ordinary man who is living his dream of growing "green" chairs!...

Most people think about donating blood. However, very few actually do it. According to experts, though almost 50% of the US population can be counted as potential blood donors less than 10% ever give. What's worse is that even the most consistent ones donate an average of just three to four times during their lifetime. Though these statistics pertain to the US, the situation is similar worldwide. Now the officials in Swedenare trying to to reverse the trend with the help of modern-day technology....

Recreation Vehicles (RV's) or mobile homes are an excellent way to travel around the world and experience life like a local. It is no wonder that they are getting increasingly popular not just with vacationers but also retirees and seasonal workers. The only drawbacks are that these gas-guzzling homes on wheels are not very environmentally friendly and also somewhat restrictive. That's because they depend on the grid for water and electricity....

The human tendency to gravitate towards people that are similar to them starts early. In school-age children, the behavior called homophily, or "love of the same" often has to do with how others dress or act. Adults tend to form groups based on social stature, professions or personalities. Turns out that forming cliques and shutting out those that are "different" is not just a human trait. South Africa's Chacma or Cape baboons display similar tendencies as well!...

Latte foam artwork, which is believed to have originated in has been around since the 1980's. But while many have mastered the art of sketching beautiful flowers and hearts, very few can compete with coffee artist extraordinaire, Michael Breach. The -based 'painter' who has been called the Da Vinci of barista coffee art can (literally) whip up any image that is presented to him - All he needs is a toothpick and some foam!...

To amateurs, the 1856 British Guiana One-Cent Magenta stamp that measures a mere 2.5 cm by 3.2 cm may appear to be like any other ancient postage stamp. However, for philatelists this octagonal scrap of paper that bears an illustration of a three-masted ship is a one-of-a-kind treasure, for which an avid collector recently paid $9.5 million. According to Sotheby's, the One-Cent Magenta is not just the world's most expensive stamp sold at an auction but also its most valuable object by weight and size!...

In 2014, Sriram Hathwar and Ansun Sujoe made history when they were declared the first co-champions of the Scripps National Spelling Bee in 52 years, and only the fifth since the contest began in 1925. On May 28th, 2015, 13-year-old Vanya Shivashankar and 14-year-old Gokul Venkatachalam repeated the feat, after zipping through the final list of 25 difficult words with ease....

What's better than the school year drawing to a close? How about a National Donut Day, which believe it or not, happens to be tomorrow, Friday, June 5th! Given that the only way to celebrate this all-important occasion is to eat donuts, you really have no choice but to devour one (or even a dozen) of the gooey treats....

Need a computer but can't afford the high cost? Then you are in luck. That's because a team of brilliant engineers from Oakland-based Next Thing recently unveiled one that costs a mere $9! Called CHIP, the tiny machine is equipped with a fully-functional operating system that includes dozens of open-source applications such as pre-installed word processing, photo and audio editing, web access, and email....

Human-controlled robot "surgeons" have been assisting doctors in operating rooms since 2000. However, the Single Site "wristed needle driver" that was created by Intuitive Surgical takes robotic precision to a whole new level. That's because its flexible "wrist" allows the instrument tip to move up to 45 degrees in all directions, enabling doctors to operate on organs like the uterus, without making large incisions that result in unsightly scars....

While e-books are on the rise, most people, especially young kids, still prefer printed versions that they can pore over for hours on end. Though that is an excellent habit, it also means cutting down precious trees. But what if the book could revert to its roots and transform back into a tree? Now thanks to a Brazilian children's book publisher, that is possible, at least for one book!...