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Hilbert's sixth problem is a century-old puzzle in mathematical physics concerning the bridge between microscopic atoms and fluid motion laws. Ma Xiao's breakthrough was published in the Annals of Mathematics.
Two years ago, Chinese mathematician Ma Xiao helped crack a century-old puzzle known as the Hilbert's sixth problem.
The problem – which has baffled generations of mathematical physicists – centres on an elusive bridge connecting the chaotic frenzy of microscopic atoms with the predictable laws of fluid motion.
The breakthrough, published in the Annals of Mathematics, helped propel Ma's collaborator Deng Yu to the 2026 Fields Medal – the discipline's highest honour – and secured Ma a coveted faculty post at the University of Michigan.
At 14:00 on the 4th, my country's self-built ocean-going comprehensive scientific research vessel "Experiment 3" slowly left the Nizhoutou anchorage in Guangzhou Port and headed to the Western Pacific to start a new round of comprehensive scientific research missions. Previously, the ship's voyage was delayed due to the impact of super typhoon Qiangpi. Huangpu Customs provided full-chain precision services to ensure that it sailed without delay.

A scientific research team from the Institute of Geology and Geophysics of the Chinese Academy of Sciences, together with scientists from Iran and France, discovered direct evidence of double-tearing of slabs in the Zagros-Makran area in southeastern Iran, revealing the deep mystery of the transition from oceanic subduction to continental collision. The relevant results were published in Nature Earth Sciences on the 4th.

A Peking University team found shallow ground ice unexpectedly increased over 20 years across more than a third of the plateau's permafrost, driven largely by natural climate factors; the impact on permafrost stability and the broader environment remains unclear.
UNESCO, headquartered in Paris, announced the winners of the 2026 UNESCO-Equatorial Guinea International Life Sciences Research Award on the 3rd. Three people including Ip Yu-ru, President of Hong Kong University of Science and Technology, won the award in recognition of their outstanding contributions in the field of neuroscience.
The International Academic Seminar and Results Release Event on Dunhuang Studies was held in Dunhuang, Gansu Province. Guo Qinglin, director of the Dunhuang Academy, said that the academy has shared 1,180 digital resources of lost overseas Dunhuang cultural relics with seven institutions in Britain, Germany, Russia and other countries, and has used digital technology to bring a large number of faded murals and precious documents to light.

Zhengzhou University held a seminar on "Song Tombs and Song Culture". Experts point out that the imperial tombs of the Northern Song Dynasty are key samples for studying the state form of the Song Dynasty and the continuity of Chinese civilization. Recently, Australia returned two lost stone carvings from the Song Dynasty Mausoleum, and Henan is currently protecting them through digital means and the principle of "no covering, no repairing, no moving".