When a koala dies, a new occupant won’t move into its home range (a group of several trees that they regularly visit) for about a year — the time it takes for scratches on the trees and scent markings to disappear. Then, as long as they are not disturbed, koalas keep their home ranges throughout their lives — up to 18 years.
Often called koala bears because of their cuddly teddy-bear appearance, they are in fact marsupials — and can be aggressive. They breed once a year (koalas usually only produce a single cub, or joey, though occasionally give birth to twins), and once a cub is born — 2cm long, blind and hairless after a gestation period of 35 days — it relies on its sense of smell and touch to crawl into its mother’s pouch, where it stays for the next six months, feeding on milk. After it emerges, the cub will remain with its mother until it is one year old, riding on her back or clinging to her belly.
The adult koala’s days are filled with sleeping and eating. They survive on a diet of predominantly eucalyptus leaves and bark — to most animals, eucalyptus leaves are incredibly poisonous, but the koala’s digestive system has evolved to manage the toxins. It is often said that eucalyptus makes koalas “stoned” — probably because they sleep for up to 18 hours a day, wedged between branches of eucalyptus trees — but this isn’t true: Their high-fiber, low-nutrition diet means they have to sleep to conserve energy.
They also don’t tend to drink, getting almost all the water they need from leaves. Indeed, the name koala is thought to come from a name in one Aboriginal language meaning “doesn’t drink.”
Taiwan’s higher education system is facing an existential crisis. As the demographic drop-off continues to empty classrooms, universities across the island are locked in a desperate battle for survival, international student recruitment and crucial Ministry of Education funding. To win this battle, institutions have turned to what seems like an objective measure of quality: global university rankings. Unfortunately, this chase is a costly illusion, and taxpayers are footing the bill. In the past few years, the goalposts have shifted from pure research output to “sustainability” and “societal impact,” largely driven by commercial metrics such as the UK-based Times Higher Education (THE) Impact
History might remember 2026, not 2022, as the year artificial intelligence (AI) truly changed everything. ChatGPT’s launch was a product moment. What is happening now is an anthropological moment: AI is no longer merely answering questions. It is now taking initiative and learning from others to get things done, behaving less like software and more like a colleague. The economic consequence is the rise of the one-person company — a structure anticipated in the 2024 book The Choices Amid Great Changes, which I coauthored. The real target of AI is not labor. It is hierarchy. When AI sharply reduces the cost
I wrote this before US President Donald Trump embarked on his uneventful state visit to China on Thursday. So, I shall confine my observations to the joint US-Philippine military exercise of April 20 through May 8, known collectively as “Balikatan 2026.” This year’s Balikatan was notable for its “firsts.” First, it was conducted primarily with Taiwan in mind, not the Philippines or even the South China Sea. It also showed that in the Pacific, America’s alliance network is still robust. Allies are enthusiastic about America’s renewed leadership in the region. Nine decades ago, in 1936, America had neither military strength
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