
Kurzgesagt - In a Nutshell — 2020

In recent years, milk has sparked considerable debate. Proponents champion it as an essential and nourishing food, crucial for strong bones, while critics suggest a link to cancer and premature mortality. The question remains: who holds the…
For some time now, you've inquired about the process behind our videos, so we're ready to share the details. The creation of a Kurzgesagt video is a labor of love, encompassing everything from initial research and scriptwriting to illustrat…

Cancer presents a chilling enigma. As we've striven to comprehend its mechanisms and develop more effective treatments, a biological paradox has emerged, stubbornly resisting explanation: larger animals appear remarkably resistant to the di…

We owe a great debt of gratitude to the experts who so generously assisted us with the video on short notice. In particular, we would like to acknowledge "Our World in Data," the online publication dedicated to research and data concerning …

You exist now on a precarious threshold, poised between existence and oblivion. You may not consciously perceive it, but within you, an astonishing flurry of activity persists, an unending process. Imagine yourself as a slinky descending an…
In September of 1940, eighteen-year-old Marcel Ravidat, a mechanic, was taking his dog, Robot, for a walk in the countryside of Southwestern France when the animal vanished down a hole. Robot eventually returned, but the following day, Ravi…

The sun, a serene sphere of light, usually offers a peaceful presence. Yet, it is capable of sudden, violent outbursts, expelling radiation and plasma in unpredictable directions. These solar flares and coronal mass ejections—CMEs—can impac…
Beginning with the Industrial Revolution, humankind has discharged more than 1.5 trillion tonnes of carbon dioxide into the atmosphere. In 2019 alone, approximately 37 billion tonnes were added. This represents a 50% increase over the year …

We take pride in a great many things—in particle accelerators and poetry, even in Pokémon. All these achievements are rooted in something humanity holds in the highest esteem: intelligence.

The universe as we know it stretches across an immense expanse, existing for over thirteen billion years. Within its vastness, up to two trillion galaxies—each containing perhaps twenty sextillion stars—encircle our own Milky Way. Within t…

The extraction of rare materials from the earth to power our phones is a deeply troubling process. The mining industry leaves behind a legacy of polluted air and water, and the devastation of entire ecosystems. Yet, envisioning a clean alte…

Hidden within the dense tropical jungles exist arboreal kingdoms, governed by exquisite yet perilous rulers. They resemble the high elves of the insect world, masterful architects who construct elaborate castles and city-states. However, th…

What celestial body reigns as the largest star in the Universe? What factors contribute to such immense size? And, fundamentally, what *are* stars?
The weight of climate change feels unbearable. Hope seems perpetually absent, replaced by a relentless cascade of alarming data – graphs deepening into shades of red, reflecting a growing crisis. Each year witnesses a fresh record of devast…

For the fifth year running, we offer the Human Era Calendar for 12,021. This edition charts humanity's long journey, from its earliest beginnings tens of thousands of years ago through the agricultural revolution, the rise of ancient civili…

By the close of the twenty-first century, humanity faces a deepening crisis. Prolonged heatwaves and droughts have crippled harvests, while warming oceans yield ever fewer fish. Millions in tropical regions endure famine, and resource wars …

A constant rhythm: in and out, a continuous exchange. Sustaining life hinges on action. At this very instant, within you, cells are converting glucose into energy through a process with oxygen, a process that extends your existence by a sin…

The night sky presents an illusion of serene order. Yet, the stars within it are hurtling through the galaxy at hundreds of thousands of kilometers per hour, traversing ever-shifting cosmic landscapes. Thankfully, the vastness of space make…

The yearning to transcend the confines of human existence is a sentiment as ancient as storytelling itself. We inhabit an infinite universe, governed by immutable physical laws, yet our consciousness remains tethered to fragile, mortal bodi…

The detonation of an exceptionally powerful nuclear weapon on the lunar surface raises profound questions. Would such an event alter the Moon's trajectory, drawing it closer to Earth and unleashing catastrophic tidal forces? Could the celes…

