In October 1972, a construction worker came across some gold objects in the ground near Varna, northeastern Bulgaria. Since then, some 300 graves have been excavated, producing some of the greatest archaeological discoveries in Europe.
Thomas Germain and Katty Kay unpack five key questions that everyone should be asking about AI.
Scientists are using cutting-edge technology to protect one of the world's most famous shipwrecks.
Phil Palumbo, of Palumbo Wealth Management, says hiking rates 'aggressively' would harm the US economy.
Seagrass may look unassuming, but these underwater meadows play a powerful role in tackling climate change.
BBC journalist Manuel Scheuernstuhl goes on the hunt for an authentic German pretzel in New York City.
London's Darjeeling Express is ground zero for chef Asma Khan, a champion of women's empowerment.
Aliko Dangote, the businessman behind Africa's biggest refinery, shares his vision for economic sovereignty.
Seacom's $2bn cable vision aims to strengthen Africa's role in the global digital economy.
Matt Orton, of Raymond James, says there are questions about how much capital Anthropic needs to keep growing.
Watch adaptive athlete Ollie Thorn take on the tough challenge of reaching Everest Base Camp by handcycle.
Katty Kay and John Burn-Murdoch on why solid mental health data is so hard to find, and what that means.
At 86, Lucinda Childs is still redefining modern dance by building intricate and mathematical work.
From monitoring hazards to assisting drivers, Tech Now finds out how AI can make driving safer.
For a carpenter in Antarctica no two days are the same as the extreme weather provides non-stop challenges.
Kelly Bogdanova, of RBC Wealth Management, says investors came into earnings season with the 'bar set very high'.
Leading tech CEO Hardy Pemhiwa tells the BBC how AI could transform Africa's digital landscape.
Founder and businesswoman Linda Mabhena-Olagunju explains what it takes to scale clean energy across Africa.
Ed Moya, of AlphaSense, says rising borrowing costs are 'eating away' at AI companies' earnings.
From sonar scans to eyewitness accounts, discover why the Loch Ness Monster mystery refuses to fade.
George Schultze, of Schultze Asset Management, says he's worried about the massive debt taken on to fund AI.
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