The Science of Human ‘Superpowers’ « Euro Weekly News

Bajau nomads can hold their breath for several minutes underwater: Photo credit: K.K Stevens/Shutterstock

In recent years, scientific research has revealed remarkable human capacities once thought to belong only to the realm of fiction. Abilities often labelled as ‘superpowers’ in popular culture are increasingly understood as real, biologically based phenomena. These extraordinary traits arise from a mix of genetic inheritance, evolutionary adaptation, and rigorous physical or mental training. This growing understanding is reshaping the way we think about human potential and performance.

The term ‘superpowers’ may be sensational, but it captures the sense of wonder inspired by individuals who can achieve feats far beyond ordinary limits. From thriving in extreme environments to showing incredible endurance, strength, or speed, some people demonstrate abilities that exceed average human capabilities. Careful scientific studies have traced many of these extraordinary traits to specific genetic variations or long-term conditioning. Some of these capacities have evolved as adaptations to particular environmental challenges over thousands of years. Others are developed through deliberate and intensive training that alters the body’s response to stress and danger. Together, they provide a fascinating glimpse into the breadth of human ability when genetics and environment intersect.

Here are five well-documented examples of these exceptional human traits, each illustrating the interplay of genetics or training in producing remarkable results:

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• High-Altitude Endurance – Sherpa People: The Sherpa community, living for generations in the Himalayas at altitudes above 2,500 metres, display a unique ability to function in oxygen-thin environments. Their genetic adaptations allow them to maintain efficient oxygen use and resist altitude sickness, enabling them to perform physically demanding tasks such as mountaineering and transporting heavy loads where others would struggle or fail.
• Deep-Diving Ability – Bajau Sea Nomads: The Bajau, a seafaring people from Southeast Asia, spend much of their lives diving for food without modern scuba equipment. Scientists have found they possess genetically larger spleens, an organ that stores oxygenated blood and releases it during prolonged dives. This biological trait lets them dive deeper and stay underwater longer than most humans, often reaching depths of up to 60 metres and holding their breath for several minutes.
• Explosive Strength – ACTN3 Gene in Athletes: Research on elite athletes has identified a gene variant called ACTN3, which influences the development of fast-twitch muscle fibres responsible for rapid, powerful movements. Individuals with this genetic profile are more likely to excel in sports requiring sprinting, jumping, or lifting, as their muscles can generate force more quickly and efficiently.
• Extreme Muscle Growth – Myostatin Mutation: Some people carry rare mutations in the MSTN gene, which produces myostatin, a protein that limits muscle growth. These mutations reduce myostatin’s function, resulting in significantly increased muscle mass and strength even without intensive training. Known as ‘hyper-muscularity’, this condition shows how genetic factors can dramatically shape physical capacity.
• Fear Suppression through Training – Elite Climbers: While genetics play a role in many traits, intense mental and physical training can also unlock extraordinary abilities. For example, professional climbers who perform high-risk free solo ascents display an unusually low fear response. Studies suggest their brains adapt to regulate fear more effectively after years of exposure to dangerous situations, allowing them to maintain calm and focus under extreme pressure.

As scientific knowledge advances in 2025, ongoing research into human genetics and physiology continues to reveal the extraordinary ways biology and training intersect. These real-life ‘superpowers’ challenge conventional ideas about human limits and offer valuable insights for medicine, sports, and psychology. Understanding these exceptional traits not only expands our view of human potential but also opens new possibilities for treating health conditions related to oxygen deficiency, muscle degeneration, and stress management. The evolving science behind these phenomena underlines how genetics and perseverance combine to produce abilities that once seemed impossible.

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