科技新闻 · 2026年10月22日

UN Declares 1.5 °C Warming Limit 'Imminent and Unavoidable' Ahead of COP31
The UN's annual Emissions Gap Report formally states for the first time that the 1.5 °C Paris target will be breached, with current policies pointing to 2.8 °C of warming this century.

AI Discovers Critical 'PHP2Shell' Flaw Threatening 70 % of the World's Websites
AI tools from OpenAI and Google Wiz uncovered a pair of critical vulnerabilities in PHP that could allow remote code execution on millions of sites, prompting emergency patches and government warnings worldwide.

UN Launches First International Forum to Govern Military Uses of AI
The UN Institute for Disarmament Research established a new global forum on 21 October to tackle AI in warfare, with funding from all five nuclear powers.

NASA's Perseverance Shatters Off-World Driving Record on Mars
NASA's Perseverance rover surpassed 45.22 km of total driving on Mars on 11 October 2026, overtaking the record set by Opportunity over nearly 15 years — in just 5.5 years.

Vienna Scientists Build World's First Self-Stabilising Nuclear Clock
Researchers at Vienna University of Technology have created a nuclear clock using thorium-229 that corrects its own frequency drift without relying on an external atomic clock, losing only about one second every 30 million years.
