
Kurzgesagt - In a Nutshell — 2024

Is your destiny predetermined? Do your past, present, and future all exist simultaneously? The answer might surprise you: it could very well be yes. In our first video of the year, we explore the nature of time and its workings.

The nuclear bomb represents the most destructive explosion humanity has ever devised. A single detonation can claim tens of thousands of lives instantly, and hundreds of thousands more through the lingering effects of radiation. Yet, the tr…

Beyond the confines of our universe, what lies? We understand that the cosmos originated approximately 14 billion years ago and continues to expand relentlessly. Logically, such expansion implies a boundary, a limit to its reach. If…

A brutal killing took place. The perpetrators, we now know, are among the dinosaurs themselves. Accounts from the era speak of an asteroid, vast as Mount Everest, striking the Earth. The impact shattered the planet, triggering a catastrophi…

It's a common assumption that sophisticated technology will pave the way for effortless extraterrestrial colonization. But what if the challenges of space exploration are inherent, insurmountable regardless of technological prowess? To u…

We must address the matter of smoking with candor: its harm extends far beyond mere physical dependence. Smoking provides a fleeting escape, an immediate remedy. Once the brain becomes accustomed to nicotine, a period of discomfort – up…

Perhaps black holes are not merely voids, but the birthing points of infinite universes, singularities where time and space themselves unravel. It could be that all things, in their essence, are black holes, a nested hierarchy extending to …

The feeling of choice, of freely directing one's actions, may be a deceptive one. Our physical form is composed of matter governed by immutable laws, each event unfolding as a consequence of prior causes. Perhaps, then, the notion of free w…

A relentless scourge, the white plague has shadowed humankind for millennia, an unwelcome companion across countless generations. In the past two centuries alone, it claimed a billion lives – a staggering toll exceeding the combined loss fr…

For millennia, humankind has reigned supreme over the planet, unchallenged. Yet, we stand on the precipice of a potential shift in that dominion. Our latest creation, perhaps our most potent—a tool, a weapon, or something altogether new—is …

The sensation of fever is unpleasant, prompting many to seek relief through medication. But is this truly the most beneficial course of action? In fact, fever represents one of the body's most ancient defenses against illness. What preci…

The notion of time travel is not merely theoretical; it is, in fact, a constant reality. From the moment of your birth, you have been traversing the currents of time. But what if we revealed a method to subtly alter the very fabric of exist…

The common belief that exercise is the primary driver of weight loss is a misconception. In reality, physical activity has a minimal impact on your daily caloric expenditure. This leads us to a curious paradox: the complexities of how t…

Within you reside trillions of viruses, a hidden population active even as you read this. Yet, these are not the pathogens that typically inspire dread. Many function as silent guardians, maintaining a delicate balance by controlling harmfu…

Fifty-eight of you watching this video will not be alive next week. The cause won't be some unforeseen accident or uncommon illness, but rather the result of ordinary actions you likely deem inconsequential. Let us consider, today, the most…

A new planet has been discovered, a realm teeming with beings of unimaginable resilience, inhabiting a landscape of grotesque and perilous extremes. Here, in perpetual darkness, they are crushed beneath immense mountains, deprived of air, b…

The experience of being human in the twenty-first century is often one of profound frustration. We stand at the apex of our evolution, yet life remains relentlessly difficult. We are deeply fractured, struggling to resolve existing issues w…

The network of your blood vessels extends an astonishing 100,000 kilometers – a distance sufficient to encircle the planet twice. It’s a remarkable figure, isn't it? We dedicated over a year to verifying this assertion, and the truth proved…

In the heart of the Cold War's tension, a chilling notion took shape: a bomb of such magnitude it would not require detonation. Designated Project Sundial, this instrument of utter destruction was designed to ignite a firestorm across a 400…

Across the globe, a shift is underway: cannabis is increasingly facing decriminalization. This change is justified by compelling reasons. In comparison to substances like alcohol, cannabis is generally considered a mild compound, and the ma…

Promoted as a safer option to smoking, vaping is anything but benign. The presence of unregulated components, concealed toxins, and potent nicotine concentrations suggests we are, in effect, undertaking a large-scale experiment on our own b…

Gravastars offer a radical shift in our understanding of the cosmos. These hypothetical entities resolve the most persistent issues surrounding black holes, doing so without violating the established laws of physics. Possessing an exception…

In 2014, we released a video posing the question, "Is War Over?" At the time, the inquiry felt less idealistic. There was a sense that violent conflict was receding and the world was entering an unprecedented era of peace. The subsequent…

Allergies represent more than mere sensitivities; they may be a vestigial trait, echoing an era when parasitic worms were a constant presence within the human body.

