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Japan landed two unmanned rovers on a 1-kilometer-wide asteroid named Ryugu in late September, 2018. It was the first time robot rovers have successfully landed on an asteroid surface.

"I felt awed by what we had achieved in Japan. This is just a real charm of deep space exploration," Takashi Kubota, a spokesman for the space agency, told CNN. The two rovers together are called MINERVA-II1 and came from the spacecraft Hayabusa2.

In 2016, two years after the English translation of “The Life-Changing Magic of Tidying Up: The Japanese Art of Decluttering and Organizing” became a best-seller, Marie Kondo moved to Los Angeles to establish her home organization consultancy in America. Amidst her culture shock, the Japanese native soon realized her new country also provided something that her homeland did not: unprecedented levels of clutter on which to practice her art.

Two scientists who discovered how to harness the body’s immune system to fight cancer won the 2018 Nobel prize in physiology or medicine. James Allison, of the US, and Tasuku Honjo, of Japan, shared the 9m Swedish kronor ($1m/¥113m) prize.

The scientists’ groundbreaking work on the immune system has paved the way for a new class of cancer drugs that are already dramatically changing outcomes for patients. It is the first time the development of a cancer therapy has been recognised with a Nobel prize.

Steep tariffs, challenging geography and government subsidies come to mind when we think about the barriers to international trade. But there are lots of different languages in the world, and translation problems can slow things down, too.

On Friday, August 24, Misa Matsushima realised her lifelong dream and struck a blow for Japan’s women when she started duty as the country’s first female fighter pilot. Matsushima, who holds the rank of first lieutenant in the air self-defence force, completed her training in August 2018, just three years after Japan lifted its ban on women becoming fighter pilots.

Tokyo has topped a list of the world’s most innovative cities, leapfrogging London and New York after embracing the “globe-shaking trends of robotics and 3-D manufacturing.”

Tokyo has risen rapidly since entering the top 10 of the Innovation Cities Index three years ago behind Paris, and was one of three Asian cities to feature this year.

“What really surprised us this year was the resurgence of Tokyo, moving up to eclipse rival cities like Boston,” said Christopher Hire, director of commercial data provider 2thinknow, which published the annual ranking on Friday.

The European Union and Japan signed a monumental trade deal in, July 2018, eliminating nearly all tariffs between the entities in one of the world’s largest free-trade deals. The pact, signed in Tokyo, covers a third of the global economy.

The agreement is in stark contrast to President Donald Trump’s trade war and alignment with Russian President Vladimir Putin. Although the leaders didn’t mention him by name, Japanese Prime Minister Shinzo Abe and EU leaders Donald Tusk and Jean-Claude Juncker distanced themselves from Trump’s tactics in a press conference following the deal.

Princess Ayako, the third daughter of Princess Hisako and the late Prince Takamado, Emperor Akihito’s cousin, married a 32-year-old worker at shipping firm NYK Line in October 2018. The husband of the 27-year-old princess is Kei Moriya, a commoner and graduate of Keio University in Tokyo. Their wedding ceremony was planned for Oct. 29 at Meiji Jingu Shrine in Shibuya Ward, Tokyo.

Until now, generating nuclear power has required massive facilities surrounded by acres of buildings and infrastructure. The nuclear industry is trying to change that picture—by going small. Efforts to build the nation’s first "advanced small modular reactor" (SMR) in Idaho, U.S.A., are on track for it to become operational by the mid-2020s.

With the end of the year drawing closer, the pressure is on to figure out how to greet the Year of the Boar. If the dwindling number of viewers staying in to watch NHK’s annual music showcase “Kohaku Uta Gassen” is any indication, more and more people in the Kanto region are choosing to head out for less traditional celebrations. 

Blockchain technology is still in its infancy but is growing at a rapid pace. It is hard to be an expert in the field, but you should at least know the basics. 

At the core, Blockchain uses a shared ledger managed by multiple computers that are networked. This is much different from current systems that rely on one central system with a database.

Leading companies advocating for and working on blockchain projects are IBM, Microsoft, JPMorgan Chase, Bank of America, Wells Fargo, and Intel. This will likely continue to grow to include smaller businesses as well.

Bernice Belcher needed an artificial aortic valve replacement. Her surgeons decided to use a new 3D modeling technique.

Using CT scans that are manipulated via special software, a team of engineers creates a model fashioned from flexible materials that re-create the texture of the aorta and its surrounding structures. Then the model is loaded into a heart simulator: a box filled with pumps and bloodlike fluid.

UNESCO has decided to add 12 sites to the World Heritage list that are linked to the history of the country’s persecuted Christians.

The sites include the Oura Cathedral in Nagasaki, the oldest surviving church in the country which is already designated as a national treasure; and the remains of Hara Castle, a site of the Shimabara-Amakusa Rebellion that led to establishment of a national policy of seclusion and the beginning of the hidden Christians’ unique system to transmit their faith and beliefs by themselves.

Your next smartphone might just throw you a curve.

Picture this: You pull your phone out of your pocket and unfold it like a napkin into a tablet. You press your finger on the screen, and it unlocks. You switch to the camera app, and a spider-like array of lenses shoot simultaneously to capture one giant photo.

Scientists have recently discovered two exoplanets, Kepler-62f and Kepler 186f, which are located within the habitable zones of their respective stars, and the best part is that the planets probably have stable climates and regular seasons. The astronomers also believe that one of them is similar in size to our home planet. 

Productivity growth has slowed since 2004, and nobody is sure why.

Certainly, technology has done its job. In the wake of downsizing, budget cuts, re-engineering and outsourcing, it has filled in the gaps at company after company. As a result, supply chains are efficient and lean, the financial services industry is automated and manufacturing processes are flexible. 

Coffee is among the most commonly consumed beverages worldwide. Because of its popularity, it has attracted a great deal of research over the years.

Scientists have now stacked up a fair amount of evidence proving that coffee can protect against certain diseases and may even extend lifespan. Studies have shown that moderate coffee consumption might protect against cardiovascular disease, diabetes, and Parkinson's disease, to name but three.

With the rise of A.I. and an endless sea of personal data available, some start to question, "How free are we?" Yes, it is true that A.I. will free us from many of the meaningless tasks that we are saddled with on a daily basis. However, there are serious concerns as to how our data is used for both positive and negative reasons.

Businesses in Tokyo are continuing to look for ways to get foreign visitors to spend their time and cash on the capital’s wide-ranging nightlife options. Travel agencies are arranging special events for foreign tourists such as taiko (drum) performances, while some hotels are extending the business hours of their restaurants to allow guests to socialize into the early hours.

The number of tourists to Japan has more than quadrupled since 2009, and the government aims to boost that figure to 40 million by 2020 and 60 million by 2030. But the growing influx is likely to put a greater strain on Japan’s hospitals as many patients from overseas arrive without insurance and are unable to pay for treatment. 

The problem is not limited to cost, however. Communication is also a hurdle, both at hospitals and especially small clinics. While some facilities can conduct treatment in foreign languages, many can only do so in English or Chinese.