A circular wooden structure with a diameter of 700 metres is under construction off the coast of Japan as part of architect Sou Fujimoto’s masterplan for Expo 2025 Osaka.

Fujimoto is designing the 60,000-square-metre structure to encircle the site of the upcoming World Expo, which will be located on the artificial island Yumeshima in Osaka Bay.

According to the Expo 2025 Osaka organisers, the structure is intended to serve as a symbol of “one sky” and create a “connection” between the participating countries.

The early failure of thin-walled cones under compression was thought to arise mainly from the presence of imperfections. A new model suggests otherwise.

UCLA pediatric pulmonologist Mindy Ross, MD, MBA, MAS, talks about diagnosis and evaluation of chronic cough in children.

Crows are not just watching you; they’re also calculating. These clever birds have a fundamental grasp of basic probability.

JWST’s new detections are the most precise of their kind, but they don’t clear up a baffling puzzle about the cosmos.

Archaeologists have unearthed the oldest known wooden structure, and it’s almost half a million years old.

The simple structure — found along a riverbank in Zambia — is made up of two interlocking logs, with a notch deliberately crafted into the upper piece to allow them to fit together at right angles, according to a new study of cut marks made by stone tools.

The earliest known wood artifact is a 780,000-year-old fragment of polished plank found at the site of Gesher Benot Ya’aqov, Israel, while the oldest wooden tools for foraging and hunting on record — unearthed in Europe — date back about 400,000 years. It’s thought that Neanderthals made structures from bones or stalactites around 175,000 years ago.

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Researchers have unearthed the oldest known wooden structure in Zambia, and it’s almost half a million years old, according to a new study.

Isaac asimov-1955 the end of eternity boehmer audiobook.

Meta is preparing to charge EU users a $14 monthly subscription fee to access Instagram on their phones unless they allow the company to use their personal information for targeted ads.

The US tech giant will also charge $17 for Facebook and Instagram together for use on desktop, said two people with direct knowledge of the plans, which are likely to be rolled out in coming weeks.

The move comes after discussions with regulators in the bloc who have been seeking to curb the way big tech companies profit from the data they get from their users for free, which would be a direct attack on the way groups such as Meta and Google generate their profits.

The BBC understands the Chinese firm is trying out the service in an English-speaking market outside the US, but has declined to comment on exactly where.

The subscription is being tested at $4.99 (£4.13).

Meanwhile, Meta is reportedly mulling ad-free subscriptions for people in the EU to navigate the bloc’s advertising rules.

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The video sharing site is looking into charging a fee of around $4.99 to get rid of ads.