So far this year, over 240,000 cases of Chikungunya have been reported globally, with 200,000 cases in Latin America and 8,000 cases in China. Relevant authorities in China have initiated emergency actions, implementing public health measures reminiscent of those used to combat the COVID-19 pandemic, in an attempt to contain the virus. How dangerous is Chikungunya? Who is at the highest risk of infection? Here is a brief guide:

With China's breakthroughs in electric vehicle battery technology, automakers have introduced a five-minute fast charging feature. It's not hard to imagine how this five-minute charging technology could change American drivers' attitudes towards electric vehicles. However, against the backdrop of Trump significantly withdrawing support for the electric vehicle industry, American consumers may not be able to access this technology in the short term.

What European leaders got from Trump: they demonstrated support for Zelensky and mutual solidarity, and received Trump's reassurances about security guarantees, but also silently accepted Trump's abandonment of making a ceasefire between Russia and Ukraine a prerequisite for further negotiations.

Once the Donbas region is secured, will Putin stop there? Putin has repeatedly hinted at the intention to annex other parts of Ukraine, leading Ukrainian officials and many Western politicians and analysts to believe that whether through military means or diplomatic efforts, the war will continue after Russia occupies Donbas.

Can Zelensky trust Trump? Ukraine's fate may depend on this. Trump has only vaguely promised that if a ceasefire agreement is reached between Russia and Ukraine, the U.S. will play a role in ensuring Ukraine's security; whether he can keep that promise is also in doubt. For Zelensky, trusting Trump is a big gamble.

Chinese officials stated that the humanoid robot sports competition is a test of the cutting-edge advancements in robotics technology. This test not only exposed limitations but also showcased possibilities. "Despite some awkward mistakes, robots are making significant progress in movement and balance, including backflips, side flips, and other acrobatic and martial arts maneuvers," said Ken Goldberg, a robotics professor at the University of California, Berkeley.

Zelensky and European leaders' high-level diplomatic summit with Trump at the White House is essentially a combination of diplomacy and psychology. European leaders have to manage the emotions of a person known for his capriciousness. They have learned some experiences and skills in dealing with Trump, but the same goes for Putin.

The main content of the talks between Trump, Zelensky, and European leaders is what kind of security guarantees Europe and the United States will provide to Ukraine if Zelensky agrees to a ceasefire. Trump also spoke with Putin to arrange a possible direct meeting between Zelensky and Putin.

The humanoid robot sports competition concluded in Beijing, with over 280 teams from 16 countries participating, including universities and private enterprises. The events included soccer, athletics, taekwondo, and more. Some robots completed backflips and successfully navigated obstacle courses and rugged terrain. However, in other events, the robots' athletic abilities still need improvement.

The core of Trump's plan to end the Russia-Ukraine war is to persuade Kyiv to give up the eastern industrial region of Donbas. This traditionally Russian-speaking area has always been at the heart of what Putin calls the "root" of the war, and taking control of this region is almost at the top of Putin's list of territorial and political demands. Why is Putin so determined to occupy this area? Here is an analysis: