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Porous media are all around us! From natural materials like soil, sand and rocks, to everyday products like sponges, filters, diapers, and concrete, these materials contain tiny spaces – or pores – that hold liquids or gases. When you soak up water with a sponge, for example, the pores fill with liquid, pushing out the air. The same process happens underground, where porous rocks store water, oil, or even carbon dioxide. Understanding how fluids move through porous materials is essential for solving real-world problems, such as cleaning up oil spills, improving water filtration, developing better batteries for electric cars, and storing gases underground to fight climate change.

Type 2 diabetes has become one of the defining health challenges of our time. Hundreds of millions of people worldwide are living with the disease, and the numbers continue to climb. While unhealthy diets, reduced physical activity, and increasing rates of obesity have all contributed to this growing epidemic, they tell only part of the story. Genetics also plays an important role, influencing why some people develop diabetes while others remain healthy despite living similar lifestyles.

Im späten neunzehnten Jahrhundert stand die Medizin an der Schwelle zwischen Verzweiflung und Entdeckung. Krebs des Kehlkopfes, jener Struktur, die uns die Stimme verleiht und unsere Atemwege schützt, verlief fast immer tödlich. Chirurgen verfügten nur über wenige Werkzeuge und noch weniger Erfolge. Dann veränderte im Jahr 1873 eine mutige und kontroverse Operation alles. Theodor Billroth führte die erste totale Laryngektomie durch und entfernte einem menschlichen Patienten den gesamten Kehlkopf. Es war ein radikaler Eingriff, der ein Leben rettete – allerdings um den Preis des Sprachvermögens und der natürlichen Atmung. Dieser Moment markierte den Beginn einer langen und sich stetig weiterentwickelnden Reise in der Behandlung von Kopf-Hals-Karzinomen.

For decades, cancer treatment has followed a familiar path. A tumor is found, surgery removes it, radiation burns what remains, and chemotherapy or immunotherapy attempts to destroy cells that may have spread elsewhere. These treatments have saved countless lives, yet they often come with immense physical, emotional, and financial costs. Many patients endure fatigue, pain, scarring, organ damage, mounting bills and lifelong side effects. However, the extraordinary advances of modern medicine have often included the commercial viability of a proven medical product, regardless of its cost and accessibility. The dream of a gentler, more precise, and more effective cancer treatment has remained elusive.

For millions of girls around the world, education represents hope. It offers the possibility of independence, financial security, improved health, and the chance to shape a different future from previous generations. Yet for many girls, the path to education is filled with obstacles that receive little attention. Some are obvious, such as poverty or long journeys to school. Others are far less visible, hidden behind silence, embarrassment and social expectations. One of the most overlooked is menstruation.

Globalization was once expected to make national borders less important. As money, technology, data, and trade flowed more freely across countries, many believed governments would gradually lose some of their ability to control events beyond their own territory. Instead, something rather different has happened. Powerful states have found new ways to extend their influence, using access to financial systems, technologies, markets, and critical infrastructure to enforce their national laws far beyond their own borders. In recent years, similar patterns have appeared in areas ranging from international sanctions to technology regulation and environmental policy.

So far, most attempts to model dark matter have relied on assumptions that may not capture its full behaviour, potentially undermining the constraints that astronomers thought they had already established. For the first time, Dr Tomislav Prokopec at Utrecht University, together with his former master's student Marco Vecchioni, have developed a framework that treats dark matter as a fully quantum field – building on earlier work showing that gravitational waves in the early universe are similarly unaffected by their quantum surroundings. Their findings suggest that several widely-assumed constraints on dark matter may need to be fundamentally reconsidered.

The work of Dr. Gary Blau and Dr. Kyle Stephens of Temple University, Philadelphia, Pennsylvania, USA asks an important question that is becoming increasingly relevant around the world. If the workplace has fundamentally changed, shouldn't the way we measure employee deviant work behaviour change too? Their research argues the answer is yes because the consequences reach far beyond academic debate. Traditional work behaviour deviance examples include: someone deliberately arrives late, spending long coffee breaks chatting with colleagues, or working more slowly than usual. Others are spreading rumours, bullying coworkers, or damaging company property. These are the kinds of in-person, on-site deviant behaviours researchers have investigated, that is, why employees sometimes act against the interests of employing organisations.

Every healthcare professional involved in the care of patients with chronic obstructive pulmonary disease understands the challenge. COPD is one of the world's leading causes of illness and death, affecting more than 300 million people and placing an enormous burden on healthcare systems. Although treatment options have improved significantly over recent decades, clinicians continue to face a fundamental problem. They mostly rely on diagnostic measurements that do not fully capture the disease's complexity. For many years, a simple form of spirometry has been the cornerstone of COPD diagnosis and management. The ratio of forced expiratory volume in one second and forced vital capacity is relatively easy and inexpensive to measure. It is therefore widely available and is supported by decades of clinical experience. This ratio has become so firmly established as a measure of the disease that it is virtually impossible to imagine COPD assessment without it.

Imagine sitting across the kitchen table from someone you have known for decades. They begin telling you about their day, but something has changed. Their words are slower than they once were. Some sounds are blurred together, others seem to disappear entirely. You know the person well. You know the stories they are likely to tell and the expressions they often use. Yet despite all of that familiarity, you find yourself asking them to repeat themselves again and again.