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A recent paper jointly published by Tsinghua University and Shanghai Jiao Tong University challenges the widely held belief that pure reinforcement learning (RL) enhances large model reasoning capabilities. The research found that models incorporating reinforcement learning performed worse than their original counterparts in certain tasks.

TikTok's Q1 2025 report on combating illicit activities shows significant progress in tackling black market operations. The report reveals that TikTok banned 2.6 million accounts involved in activities such as online water armies, fraud, and illegal traffic redirection. Suspected criminal activity has also been reported to relevant authorities.

According to a Department of Justice press release on Wednesday, Albert Saniger, founder and former CEO of Nate, an AI-powered shopping app claiming to offer a universal checkout experience, has been charged with defrauding investors. Founded in 2018, Nate raised over $50 million in funding from firms including Coatue and Forerunner Ventures, including a $38 million Series A round led by Renegade Partners in 2021. The company claimed...

Douyin's Safety Center recently announced a crackdown on stock investment content on its platform, aiming to foster a healthy online environment. While encouraging financial and securities professionals to share reliable information, Douyin is targeting accounts using AI tools to spread misinformation and even engage in fraudulent activities without proper qualifications. These accounts often promote supposedly high-efficiency AI stock picking tools to attract users.

With the advancement of AI technology, more and more false information is emerging. A news story about a man discovering his online girlfriend of two months was an AI has gone viral. According to CCTV reports, Mr. Liu from Shanghai recently met a woman named "Ms. Jiao" on a short-video platform. After two months of communication, they developed a romantic relationship. However, Mr. Liu was defrauded of nearly 200,000 yuan by Ms. Jiao under various pretexts, including business needs, inventory purchases, and family medical emergencies.

Recently, a netizen from Anhui posted about winning the Double Chromosphere lottery using numbers recommended by DeepSeek, which attracted considerable attention. In response, the official WeChat account of the China Sports Lottery reminded the public that any claims about AI predicting winning numbers are not credible. The China Sports Lottery explicitly stated that each lottery draw is an independent random event, and the winning numbers are generated randomly and cannot be predicted by any technological means. Whether through AI-generated numbers or machine-generated ones, the numbers produced are random, and therefore the probability of winning is...

Alexander Beckman, co-founder and former CEO of Silicon Valley AI startup GameOn, and his lawyer wife, Valerie Lau Beckman, have recently been indicted by federal prosecutors on multiple fraud charges. They are accused of deceiving investors and the company by falsifying financial statements and other means from 2018 to 2024, involving more than $60 million.

At the intersection of science and technology, graphs are increasingly attracting the attention of researchers as important tools for expressing complex relationships. From chemical molecule design to social network analysis, graphs play an indispensable role in numerous fields. However, generating graphics efficiently and flexibly has always been a challenging problem. Recently, research teams from Tufts University, Northeastern University, and Cornell University have collaborated to launch a project called Graph Generative Pre-trained Tran.

UK mobile operator Virgin Media O2 recently launched an innovative anti-fraud technology - an AI virtual grandma named 'Daisy', specifically designed to combat the rising tide of phone scams. This virtual grandma's sole task is to answer scam calls and delay the scammers as much as possible. When scammers dial a specific number set up by the operator, this AI robot, 'indistinguishable from a real person', will answer the call. According to O2, they have utilized multiple cutting-edge AI technologies and models.