World Solve

Indigenous land rights are frequently overridden by governments or corporations pursuing resource extraction or development. Meaningful, enforceable control over ancestral land remains unresolved in many countries.

Malnutrition during early childhood can cause lifelong developmental harm, and crises like war or drought regularly disrupt food access for vulnerable children. Building more resilient food delivery systems in crisis zones remains urgently unresolved.

Infertility affects a significant share of couples trying to conceive, and treatments like IVF don't work for everyone or every cause. A deeper understanding of underlying causes could open new, more effective treatment paths.

Postpartum depression affects many new parents, often going undiagnosed until it significantly affects their wellbeing and their child's early development. Better early prediction could allow support to begin before symptoms take hold.

Because rare diseases affect few patients, there's often little financial incentive for researchers or companies to develop treatments. Thousands of rare conditions remain effectively untreated as a direct result.

Tinnitus affects a significant portion of the population and can seriously impact quality of life, yet current treatments only manage symptoms rather than eliminate the underlying cause.

A small number of people show natural resistance to certain infections or conditions, and understanding why could reveal entirely new treatment approaches. This resistance remains only partially understood at a genetic level.

Sphere-packing problems are solved for a few specific dimensions, but the general pattern across all possible dimensions remains unknown. This affects fields ranging from error-correcting codes to theoretical physics.

Sorting algorithms have been optimized extensively, but proving a true absolute lower bound across all possible sorting methods remains an unresolved question in computational theory. This affects the fundamental efficiency limits of computing.

Graph theory offers many partial answers about guaranteed patterns within large networks, but a fully general and complete theory covering every possible network structure remains incomplete. This affects our understanding of everything from social networks to biological systems.

Random graph theory offers probabilistic guarantees for many structures, but proving certainty, rather than high likelihood, for every possible case remains an unresolved and active research area. This affects our understanding of networks in biology, technology, and social systems.

While many specific systems have proven solutions, a complete general guarantee across every well-posed nonlinear system remains one of mathematics' harder open questions. This affects fields ranging from physics to engineering that rely on such systems.

Many deeply held beliefs about meaning and purpose fall outside what science can confirm or deny, and it's unclear whether this should affect how seriously we treat them. This unresolved tension underlies broader debates between faith, philosophy, and empirical inquiry.

Meaningful change and growth sometimes require difficult decisions that inevitably affect others, and it's unclear how much personal development can reasonably justify this collateral impact. This unresolved tension shapes decisions about relationships, careers, and major life changes.

Life circumstances can change dramatically after a promise is made, and it's unclear how much this changed context should affect the moral weight of the original commitment. This unresolved tension appears in debates over long-term personal and professional commitments.

Philosophers have proposed countless theories of meaning, from pleasure to purpose to relationships, but no single account has settled the question. This affects how people choose to live and what they consider worth pursuing.

Common moral intuition treats strangers as owed some consideration, but the philosophical basis for this duty, especially toward those far away, remains contested. This affects debates about charity, foreign aid, and global responsibility.

From childhood to old age, nearly everything about a person changes, yet we treat them as a single continuous identity, and no philosophical account of why has settled the matter. This affects questions about responsibility for past actions.

We tend to believe humanity has become more moral over time, abolishing slavery and expanding rights, but philosophers debate whether this represents real progress or just changing preferences. Settling this affects how confident we can be about future ethical judgments.

Even acts of apparent sacrifice can be explained by psychological rewards like satisfaction or social approval, raising doubt about whether pure altruism is even possible. Resolving this affects how we understand human motivation and moral praise.