World Solve

Extended time in a hospital bed, especially in intensive care, can cause significant muscle loss that affects recovery and long-term function. Better prevention methods during hospitalization remain underdeveloped.

Even with strict sterile procedures, a portion of surgical patients still develop infections afterward, extending recovery and sometimes causing serious complications. Reducing this risk further remains an ongoing surgical challenge.

Almost all current reusable rocket technology is built for missions close to Earth, while deep space missions still rely on expensive, largely disposable hardware. Extending reusability further out could reshape space exploration economics.

Astronauts on extended missions lose bone density and muscle mass faster than doctors can fully explain or prevent. Understanding this better is essential before any mission lasting years, like a trip to Mars.

Local elections often receive far less security attention than national ones, despite being just as vulnerable to disinformation campaigns. Extending stronger protections down to the local level remains incomplete.

Many people experience nausea, eye strain, or discomfort after even short VR sessions, limiting its use for work or long entertainment sessions. A truly comfortable headset remains an unsolved hardware and software challenge.

Solar storms and radiation slowly degrade satellite electronics, shortening their working life and risking sudden failures. Better shielding could extend satellite lifespans and reduce costly replacements.

Current spacesuits are bulky, tiring, and limit fine motor movement, making long spacewalks physically exhausting. A more agile suit would make space construction and repair work far more practical.

While unique prime factorization is proven for standard whole numbers, extending and confirming similar uniqueness properties across various generalized number systems remains an unresolved area. This continues to shape research in algebraic number theory.

Some argue that harmless private actions, like certain personal choices, shouldn't be subject to moral judgment at all, while others believe morality extends beyond direct harm to virtue and character. This unresolved question shapes debates over the proper scope of ethics.

Medical ethics constantly requires weighing longer survival against potential suffering, and no single framework has fully resolved how this tradeoff should be decided. This unresolved question remains deeply relevant in end-of-life care.

Phone batteries degrade noticeably after a couple of years of daily charging cycles, contributing to both consumer frustration and electronic waste from early device replacement. A more durable battery technology remains commercially elusive.

Battery life claims often assume light use, and demanding tasks like video editing or gaming can drain a laptop's battery in just a few hours. Meaningfully extending battery life under heavy real-world use remains an unresolved hardware challenge.

Advances in medicine keep pushing life expectancy higher, but there's no consensus on whether radically extending life is actually good for individuals or society. This question becomes more urgent as anti-aging research advances.

Millions of people now earn a living through app-based gig work without the healthcare, sick leave, or retirement benefits traditional jobs offer. Extending fair protections to this growing workforce remains largely unresolved.

Some people reach old age with sharp minds and healthy bodies, while others decline much earlier, and genetics only explains part of it. Understanding this gap could extend healthy years of life for far more people.

The majority of informal-sector workers in Papua New Guinea have no access to pension savings mechanisms, leaving them financially vulnerable in old age.

Millions of rural households in Bangladesh remain unconnected to the grid, and mini-grid and solar home system providers struggle with financing models that make service affordable while remaining commercially viable.

Informal settlements in Yemen largely rely on pit latrines with no formal desludging service, leading to overflow into waterways and elevated diarrheal disease rates among children.

Informal-sector workers in Yemen are largely excluded from formal credit because they lack the documented income history traditional lenders require, forcing reliance on high-interest informal lenders.