تطوير لغة الطلاب في بيئةجاذبة ممتعة وآمنة.
When 36-year-old Andy Duran decided to return to his favorite high school hobby — skateboarding — in January 2021, the only obstacle he expected to encounter was his own ability to get back into the sport after the long hiatus. However, the 340-pound skateboarder from Oakland, California, soon realized that was the least of his problems.
اقرأ المقالWhile bioluminescence — the ability to glow in the dark — is a fairly common occurrence in fish and squid that live in the ocean's darkest depths, its presence in sharks is not as well-documented or understood. Now, the discovery of the largest-known luminous vertebrate — the six-foot-long kitefin shark — and two other glowing shark species has enabled researchers to gain valuable insights into the luminescent abilities of the deep-sea creatures.
اقرأ المقالWith over 120 pasta sizes and shapes available, one would think there was a design to satisfy every palette. However, Dan Pashman, host of James Beard and Webby Award-winning podcast The Sporkful, was unhappy with the available options. So, the food-lover spent three years, and a substantial amount of his personal savings, to create cascatelli — a new pasta shape that is purportedly more functional than any available today.
اقرأ المقالThe 2020 Summer Olympics torch relay is finally underway. The Olympic flame, which was kindled in Olympia, Greece, on March 12, 2020, and transported to Japan on March 20, 2020, spent a year at the Olympic Museum in Tokyo after the Games were postponed due to the coronavirus. It began its 121-day journey from Fukushima to Tokyo's National Stadium — the venue for the opening and closing ceremonies — on March 25, 2021.
اقرأ المقالA 200,000 metric ton cargo boat blocking the Suez Canal for six days has finally been freed, clearing the way for over 300 ships waiting to cross one of the world's busiest waterways. The Japanese-owned Ever Given has been wedged sideways into the sandy banks of the 120-mile-long (193-kilometer-long) and 78-feet-deep (24 meter-deep) channel since March 23, 2021. It was dislodged on March 29, 2021, by a fleet of tugboats that worked all night to take advantage of the king tides — high tides that occur during a full moon when the Sun, Earth and the Moon are aligned.
اقرأ المقالOn most days, pulling a harmless prank, or two, on family members would result in a time-out. However, on April 1st, aka April Fools' Day, lighthearted tricks are both expected and welcomed. The origins of the tradition are hazy. Some believe the fun began in 1582 when the world transitioned from the Julian calendar — which ushered in the New Year on the last week of March — to the current Gregorian calendar. Those unaware of the change, or refusing to accept the January 1st start date, were often pranked on December 31st. Others maintain the ritual began as a joyful way to welcome spring.
اقرأ المقالIndia is home to a wide variety of festivals, each of which is celebrated with much gusto. However, few are as exciting or as anticipated as Holi, the spring festival of colors. The fun holiday, observed annually on the last full moon day of Phalguna — the 12th and final month of the Hindu year — falls on March 29th this year.
اقرأ المقالA well-known Chinese proverb states: "A journey of a thousand miles begins with a single step." On March 27, 2021, millions of people worldwide will take the first step towards reversing climate change by turning off all lights and electronics from 8:30 - 9:30 PM local time. The hour-long voluntary rolling blackouts, also observed by landmark structures such as the Eiffel Tower and the Empire State Building, are more than symbolic gestures. They are catalysts for urgent change.
اقرأ المقالThough it is not unusual to find marine animals thriving under the Antarctica seafloor, researchers had always assumed that all life would become less abundant farther away from open water and sunlight. However, the discovery of filter-feeding organisms — 160 miles (260 km) away from the open ocean, with temperatures of −2.2°C and under complete darkness — suggests that life in the world's harshest environment may be more adaptable and diverse than previously thought.
اقرأ المقالKing penguins, the second-largest penguin species, typically sport a distinct black-and-white coat with a yellowish-gold dash of color on their collar. However, one young penguin in the South Atlantic appears to have missed the memo on the dress code. It decided to forgo the black feathers and retain just the bright yellow plumage.
اقرأ المقالThe over 48,000 orange trees that permeate all corners of Seville, Spain, not only fill the city's air with the pleasant smell of azhar, or orange blossoms, in spring; they also yield over 16,500 tons of fruit every winter. Though that gives the capital of southern Spain’s Andalusia region the bragging rights of being Europe's top orange-producing city, the fruit is too tart to be consumed fresh. While some of the produce is used to make marmalade and orange liqueur, most of it ends up in Seville's landfills. However, that may change soon thanks to an ingenious idea to use the oranges to produce clean energy.
اقرأ المقالThe 1984 discovery of the Whydah Galley — the only fully verified and authenticated pirate shipwreck of the Golden Age of Piracy (1650-1720) ever found — has yielded an enormous treasure trove of artifacts. However, any evidence of its legendary captain Samuel, or "Black Sam," Bellamy has proved elusive. That may change soon thanks to the recent discovery of six skeletons found embedded in the ancient wreck's compacted masses of matter.
اقرأ المقالThe NASA Perseverance rover's 293 million mile (472 million km) journey to Mars ended successfully on February 18, 2021, with a picture-perfect landing inside the Jezero Crater. The car-sized, six-wheeled rover, nicknamed Percy, is the US space agency's biggest and most advanced explorer to date. Its primary mission is to search for signs of ancient microbial life on Mars.
اقرأ المقالCelebrated every February, Black History Month is an annual commemoration to honor and recognize the central role of African Americans in U.S. history and reflect on their continued struggle for racial justice. While President Gerald Ford is credited for officially recognizing what is also called African American History Month in 1976, the idea was the brainchild of American historian and author Dr. Carter G. Woodson.
اقرأ المقالMadagascar, an island off the coast of Africa, is home to some of the world's most exciting and unique animal species — about 75 percent of which cannot be found anywhere else on the planet. These include the long-necked giraffe weevil, the colorful, cat-sized panther chameleon, and the bright orange-red tomato frog! The latest to join this impressive list of exotic creatures is a new reptile species small enough to perch on the tip of a finger!
اقرأ المقالCelebrated annually on February 14, Valentine's Day is one of the few holidays that is enjoyed almost worldwide. In the United States, the romantic occasion is observed by exchanging greeting cards and treating loved ones to candy, flowers, gifts, and unforgettable meals. However, not every culture marks the day of love in the same way, or even on February 14! Here are some fascinating Valentine's Day traditions from around the world.
اقرأ المقالBefore astronauts land on Mars, scientists must know everything they can about its inhospitable landscape. While the various exploration vehicles dispatched over the years are providing researchers with invaluable data, the bulky machines are constrained to exploring flat surfaces close to their respective landing sites.
اقرأ المقالThis week's severe winter storm, which dumped record amounts of snow in the Mid-Atlantic and the Northeast, had most residents scrambling for the safety and warmth of their homes. However, the animals at the Smithsonian's National Zoo were not going to let Washington, DC's first significant snowfall in two years go to waste.
اقرأ المقالThose hoping for some respite from the powerful nor'easter that is currently pummeling the US East Coast and Mid-Atlantic with heavy snow and near-blizzard conditions are in for a disappointment. On February 2, 2021, aka Groundhog Day, legendary woodchuck Punxsutawney Phil observed his shadow. This — according to folklore — means that the frosty weather will remain with us for an additional six weeks.
اقرأ المقالThe countdown to Super Bowl LV (55) has begun! On February 7, 2021, the Kansas City Chiefs and the Tampa Bay Buccaneers will battle it out for the coveted Vince Lombardi Trophy at the Raymond James Stadium in Tampa Bay, Florida. The National Football League's (NFL) championship game, which will pit the league's youngest Super Bowl–winning quarterback, Patrick Mahomes, against its most storied quarterback, Tom Brady, has already established numerous records.
اقرأ المقالWith a series of storms unleashing their fury across the United States this week — all the way from California to New York — many Americans are experiencing the full wrath of the winter season. Freezing as the temperatures may seem, they are balmy compared to those in Yakutsk, the capital of Yakutia, or the Sakha Republic, in Russia. The residents of this remote Siberian city have been enduring average temperatures of below -30°F (-34°C) since December 8, 2020, with the mercury dipping as low as -59° F (-50.6 °C) on January 19, 2021.
اقرأ المقالMars is famous for its orangish-red hue caused by the iron oxide in its soil. However, the Red Planet's surface, which has been drastically altered by volcanoes, impact craters, crustal movement, and atmospheric conditions such as dust storms, is also home to a wide range of fascinating topographical features. High among the list is Valles Marineris — the Solar System's longest and deepest-known canyon.
اقرأ المقالJust before noon (EST) on January 20, 2021, Joseph Robinette Biden Jr. placed his hand on a 127-year-old family Bible, which has followed his entire career, and took the Presidential oath of office to "preserve, protect and defend the Constitution of the United States of America." The inauguration ceremony of America's 46th President came just moments after Kamala D. Harris took her oath of office and became the first woman and first person of color to hold the country's second-highest office.
اقرأ المقالWhen paleontologists discover a new dinosaur species, they usually marvel at the ancient creature's size or speed. However, a new species of a chicken-sized dinosaur is making headlines for a feature rarely associated with the primitive reptiles that dominated the world for over 140 million years — dazzling looks!
اقرأ المقال