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Semafor World Economy

Tom Chivers

Tom Chivers

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Anthropic’s AI ‘constitution’ shows early promise in regulating models’ behavior, researchers say

The document constricts Claude’s behavior, including by adding limits on dishonesty and causing harm.
Claude’s “constitution”Anthropic

Long-lost Archimedes treatise work unearthed in France

The treatise, a ninth-century copy of Archimedes’ work on the volume of spheres, was lost during World War I.
Archimedes.Archimedes. The Print Collector via Getty Images

Volkswagen partners with Chinese EV firm Xpeng

The partnership comes as the German carmaker seeks to turn its fortunes around after a tough year that saw it lose major market share in China.
A Volkswagen ID. UNYX 08 electric vehicle (EV).Florence Lo/Reuters

Russia emerges as biggest winner in Iran war

Soaring oil prices pushed the White House to lift sanctions on the sale of Russian crude currently at sea.
Putin with military members.  Sputnik/Mikhail Metzel/Pool via Reuters

Stock markets slump, oil closes above $100

The S&P 500 fell 1.5% Thursday, its worst single-day performance of the war so far.
A visitor walks past Japan’s Nikkei stock prices quotation board inside a building in Tokyo.Issei Kato/File Photo/Reuters

US tanker plane crashes in Iraq, killing four

It is the fourth US manned aircraft lost since the Iran war began.
A US KC-135 refueling jet. Marcelo del Pozo/File Photo/Reuters

Russia makes a comeback in sports and arts

Russian athletes are competing in the Winter Paralympics and Russian artists are returning to the Venice Biennale.

Global art market shows signs of rebound

Auctions bounced back strongly, but gallery earnings “barely budged,” and the uptick rested on a few extremely expensive sales.

COVID-19 vaccine pioneers to leave BioNTech and focus on mRNA

Uğur Şahin and Özlem Türeci, a Turkish husband-and-wife team, became unlikely celebrities during the pandemic for their world developing the COVID-19 vaccine.

Rate of global warming accelerating as air pollution falls

The primary cause for increased warming is recent regulations on international shipping reducing pollutant particles, which had reflected sunlight into space.

War spurs global inflation fears as energy costs surge

Inflation could hit 3% in the US and UK, analysts say.

Oil prices rise above $100 again over Strait of Hormuz attacks

Saudi Arabia is diverting tankers to its southern Red Sea coast, while Oman’s key export terminal was evacuated over safety concerns.

US theater producers decamp to UK as costs soar

Broadway stagings, always expensive, have become prohibitively so: Budgets regularly reach $20 million.

Trump vows to investigate strike on Iranian school that killed 175

Trump originally said the attack was carried out by Iran, but analysts said that was implausible.

Soaring energy prices roil East Asian, European markets

Tokyo is considering dipping into oil reserves, while EU leaders are set to discuss the rising cost of energy today.

Iran slows attacks on Gulf neighbors

Tehran fired just 33 missiles and drones at the UAE Monday, down from around 350 a day at the start of the war.

UK PM Starmer attempts to defuse tensions with Trump over Iran

US President Donald Trump recently railed against Britain’s limited involvement in the war on Iran.

Iran appoints late leader’s son as new ruler in sign of continuity

The appointment of Mojtaba Khamenei signals that hardliners remain in charge in Tehran, analysts said.
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