Vegastar

Illustration comparing packaged snacks and ready meals with vegetables, fruit, beans and oats.

Nutrition

What a 30-Day Ultra-Processed Food Experiment Can—and Cannot—Tell Us

Vegastar September 20, 2026

When a doctor changes the way he eats for a month and films the results, the story is immediately compelling. The BBC’s video “UK doctor switches to 80% ultra-processed food diet for 30 days” has been watched more than seven million times. Dr. Chris van Tulleken’s experiment raises a question

Artist illustration of a glowing orange ring surrounding a black hole shadow.

Cosmology

The First Black Hole Image: What Are We Really Seeing?

Vegastar September 20, 2026

In 2019, a glowing ring around a dark center appeared on screens around the world. It was introduced as the first image of a black hole. The picture felt almost impossible: how can a camera show something famous for not allowing light to escape? The answer is both more precise and more astonishing than the […]

Illustration of ancient Roman concrete arches and exposed stone aggregate in warm sunlight.

Lost History

What Roman Concrete Can Teach Us About Lost Building Knowledge

Vegastar September 20, 2026

The Pantheon’s dome, Roman harbor walls, and fragments of ancient roads invite a compelling question: how did builders working nearly two thousand years ago create structures that still command attention? It is tempting to call the answer a lost secret. A more useful approach is to examine the materials, the environment, and the patient experimentation […]

A bicycle beside an open garden gate on a sunlit path.

Wellness

Try Something New: Small Changes That Enrich Your Life

Vegastar September 18, 2026

A small daily change can make a familiar week feel more like a life you are actively choosing. It might be drawing for a few minutes, trying a new route on a walk, learning a song, or making time for a conversation that usually gets squeezed out. The invitation is simple: choose something you are […]

A comfortable chair and a cup of tea beside a window overlooking a quiet garden.

Meditation

The Art Of Stillness: Finding Space To Hear Yourself

Vegastar September 18, 2026

A quiet moment can feel surprisingly unfamiliar when every gap in the day has something waiting to fill it. There is another message to read, another opinion to consider, another small task that could be finished. The art of stillness begins with allowing a little space to remain open. You might sit beside a window, […]