تطوير لغة الطلاب في بيئةجاذبة ممتعة وآمنة.
The about million species of insects known to humanity thus far have managed to neatly fit into one of 31 existing scientific orders. However, when George Poinar, Jr., the world’s leading expert on plant and animal life forms, found preserved in amber, saw the carcass of this 100-million-year-old insect, he knew it would require its own scientific order – an incredibly rare event.
اقرأ المقالWhile the world is still debating the safety of self-driving cars, the futuristic city-state of Dubai, in the United Arab Emirates, is preparing to launch an autonomous aerial taxi. Starting in July, commuters will be able to summon the world’s first passenger drone, the EHang 184, to transport them to their desired destination without having to deal with Dubai’s congested freeways.
اقرأ المقالIt has always been believed that the final segment of the human vertebral column, the coccyx, or tailbone, is the remnant of a lost tail. Now, some researchers assert it may be the vestige of not one but two tails, both of which, humans and their closest relatives (great apes) managed to shed over millions of years of evolution.
اقرأ المقالIn January 2016, Professor Mike Brown, the California Institute of Technology researcher who demoted Pluto to dwarf status, reported that he and some colleagues had discovered evidence of a ninth planet in our solar system. Dubbed Planet X, the gaseous giant believed to be two to three times the size of Earth, purportedly has a highly elliptical orbit and takes over 20,000 earth years to revolve around the sun. Though exciting, the find was based on computer simulations, which means that no one has ever seen this mysterious planet.
اقرأ المقالTwo days before Valentine’s Day, 40 couples dressed in gorgeous wedding gowns and black tuxedos tied the knot at a mass wedding ceremony in Peru’s capital, Lima. Not impressed? How about if we tell you that the brides and grooms were dogs?
اقرأ المقالThe fact that the Dionaea muscipula, or Venus flytrap, feeds on unsuspecting insects by luring them into its jaw-like leaves with sweet-smelling nectar has been known for centuries. However, scientists thought the prey only provided the plant with essential nutrients like nitrogen and phosphorous that are severely lacking in their native habitats – the subtropical wetlands of North and South Carolina. They had assumed that like other vegetation the carnivorous plants obtained their energy through photosynthesis – using light energy to convert carbon dioxide and water into sugar and oxygen. It turns out they were wrong.
اقرأ المقالA large otter the size of a wolf, roamed the wooded marshlands of China’s Yunnan Province about six million years ago. Xiaoming Wang, curator of vertebrate paleontology at the Natural History Museum of Los Angeles County in California, and her team arrived at this conclusion after an extensive study of fossils found in the 6.2 million-year-old sediment of the Shuitangba coal mine in Yunnan, China in 2010 and 2015.
اقرأ المقالUnmanned aerial vehicles, or drones, have tremendous potential to deliver emergency supplies to remote or disaster-struck regions. However, they are expensive to mass produce and often require special pads to launch and land safely. Additionally, the need for the aircraft to maintain enough battery life to return, cuts the delivery distance to half. But these issues may be history, thanks to an affordable and disposable drone that is designed for a one way journey.
اقرأ المقالMove over, Atlantis! A real lost continent has been discovered by a team of geologists led by Lewis D. Ashwal from the University of the Witwatersrand in South Africa. The scientists, who have named it Mauritia, believe that the landmass was once part of Gondwana, the supercontinent that included most of the landmasses in the modern-day Southern Hemisphere, and the Arabian Peninsula and the Indian subcontinent that are now part of the Northern Hemisphere.
اقرأ المقالOn February 11, thousands of people, many dressed in costumes and masks, gathered at the Rio de Cannaregio in Venice to watch the spectacular water show that marked the opening of the Carnevale di Venezia, or Carnival of Venice. The brainchild of the creative minds at Corona Events artist company, it featured colorful floating structures and acrobatic performers, many of whom were dressed as sea creatures.
اقرأ المقالIn retrospect, 2016 was a banner year for exploding devices. The trend began when hoverboards — two-wheeled self-balancing motorized devices — randomly began to burst into flames, hurting riders and causing millions of dollars in property damages. Samsung’s Galaxy Note 7 mobile phone, which debuted to stellar reviews in August faced similar issues and was withdrawn from the market by October. It turns out that all the mishaps were the result of malfunctioning lithium-ion (Li-ion) batteries used to power the devices.
اقرأ المقالGordon, the barista at San Francisco’s Cafe X, will not greet you by your name or wish you a pleasant day. However, the one thing Gordon will guarantee is “precision crafted specialty coffee in seconds, the way the roaster intended.” That’s because Gordon is not a human, but a robotic arm programmed to make the perfect cup of java, using beans and recipes from local favorites like Peet’s, Verve Coffee Roasters and AKA Coffee.
اقرأ المقالA mako shark is being dubbed the “Energizer Bunny” after traveling a distance of half the globe, or 13,000 miles (just over 21,000 km), in less than two years. According to researchers at the Nova Southeastern University's (NSU) Guy Harvey Research Institute (GHRI), it is the longest track recorded in the Atlantic Ocean by a tagged mako shark.
اقرأ المقالTo get into the spirit of last night’s NFL Championship game between the Atlanta Falcons and the New England Patriots, astronauts aboard the International Space Station (ISS) also decided to play “ball.” In a video released by NASA, Tim Kopra is seen gently tossing a football down the length of the ISS. By the time it got to the end, the ball had covered an astounding 564,664-yards or the distance of 5,646.64 football fields!
اقرأ المقالAvid Pokémon video and card game fans were recently called upon to use their expertise for an unusual task – to help scientists understand the inner workings of the brain. Specifically, Weiwei Zhang, an assistant professor at the University of California, Riverside, wanted to learn the connection between the short-term — or working memory — and long-term memory.
اقرأ المقالNASA’s Near Earth Object (NEO) Observations Program has discovered and cataloged over 15,000 Near Earth Asteroids (NEAs) since they began scouring the skies in 1998. However, every now and again, one manages to escape their powerful telescopes and keen eyes. This was certainly the case with asteroid 2017 BS32, which was discovered on January 30 just three days before its close encounter with Earth.
اقرأ المقالAs is the case every February 2, thousands of people gathered at Gobbler’s Knob in Pennsylvania early in the morning to witness legendary groundhog, Punxsutawney Phil, predict the length of this year’s winter. Given the gloomy weather and scattered snow showers, it appeared highly unlikely that the animal would see his shadow, the indication of an extended winter.
اقرأ المقالPichaporn Sapsittiporn and Sasinuch Lapwongpaiboon, who co-own the i-Creamy Artisan Gelato shop in Sydney, Australia, take great pride in creating some of the tastiest gelato using the best possible ingredients. However, the award-winning Asian-inspired flavors are not the only reason people line up outside the creamery, even on cold winter nights. They are also here to admire and devour the beautiful gelato roses that are crafted before their eyes.
اقرأ المقالDisney is famous for creating interrelated plot lines across its superhero blockbusters – from Iron Man to The Avengers to even the television series, Agents of Shield. Now the movie studio has confirmed a theory first suggested by a fan in 2013 — the animated movies made by its subsidiary, Pixar, also share a common universe.
اقرأ المقالOn November 8, discouraged and upset by the outcome of the US election, retired lawyer Theresa Shook set up a Facebook event inviting women to stage a peaceful protest in Washington, the day after the Presidential inauguration. The Hawaiian resident wanted the Trump Administration to know on its first day in office that women’s rights are human rights. By the time she woke up on November 9, over 10,000 people had expressed their desire to attend the rally.
اقرأ المقالIf you thought the captivating creatures in the movie adaptation of J.K. Rowling’s Fantastic Beasts and Where to Find Them, looked and acted somewhat familiar, you are not wrong. That’s because to create the mythical creatures, animators from three visual effects companies, Framestore, Rodeo FX, and MPC, drew inspiration from real-life animal physiology and behavior.
اقرأ المقالThough they have been around since the late 1990’s, emoji use has escalated sharply with the proliferation of smartphones. A survey conducted by digital start-up Swyft Media revealed that over six billion emoticons or stickers are sent around the world every day. The digital icons have become so ubiquitous that in 2015, the Oxford Dictionary selected the “Face with Tears of Joy” as its “word” of the year. Given their widespread use and popularity, it is not surprising that the tiny images are starting to intrigue researchers as well.
اقرأ المقالThe fact that New Yorkers take their pizza seriously is well-known. Pizzeria owners are always striving to create the sauciest, cheesiest, and crunchiest pies to delight their customers. Now, Industry Kitchen, a South Street Seaport restaurant, has upped the ante with “the fance’za” — a pizza so decadent, it will set back the consumer $2,000 USD.
اقرأ المقالHarbin, the largest city in the Heilongjiang Province in Northeast China, that boasts winter temperatures of -13°F (-25°C) may not appear to be the ideal vacation destination. But don’t tell that to the millions of visitors who brave the area’s frigid weather annually, to experience one of the world’s biggest and most unique snow and ice festivals.
اقرأ المقال