World Solve

Early detection dramatically improves skin cancer survival rates, but many people lack easy access to dermatology screening. A cheap, widely available detection tool could catch far more cases before they become dangerous.

Tuberculosis remains a major killer in some regions, and drug-resistant strains are becoming harder and more expensive to treat. Slowing this resistance requires both better medicine access and improved treatment adherence support.

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.

Many countries are seeing their elderly populations grow faster than their caregiving systems can support, straining families and healthcare systems alike. A scalable, affordable model for elder care remains an unmet need almost everywhere.

Food allergy rates have been rising for decades, and the exact reasons behind this trend remain only partially understood. Understanding the cause could help prevent, not just manage, this growing health issue.

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.

Countries with opt-out organ donation systems tend to have far higher donation rates, saving more lives, but implementing this fairly and ethically worldwide remains politically and culturally difficult.

Existing dementia treatments offer only modest, temporary relief from symptoms rather than meaningfully slowing the underlying disease. A real disease-modifying treatment remains one of medicine's most sought-after breakthroughs.

Sepsis can escalate from a treatable infection to a life-threatening emergency within hours, and current diagnosis often catches it too late. Faster detection tools could dramatically reduce sepsis deaths in hospitals.

Genetic testing can reveal risk for serious inherited conditions, but cost and access limit it mostly to wealthier patients and countries. Broader affordability could catch preventable conditions far earlier for many more people.

Autoimmune arthritis causes the body's own immune system to damage joint tissue, leading to chronic pain and disability. Current treatments manage inflammation but don't address why the immune system attacks in the first place.

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.

Unlike infectious diseases, cancer arises from a person's own cells mutating, making a universal vaccine far more complex to design. Progress exists for a few cancer types, but a broadly effective approach remains unsolved.

Artificial lighting confuses migration patterns, hunting behavior, and reproduction cycles in many nocturnal species, yet city lighting keeps expanding with growth. A widely adopted, wildlife-friendly lighting standard remains missing.

Rivers often flow through multiple countries, and disputes over how much water each country can use remain a persistent source of tension. A widely accepted, fair sharing framework remains unbuilt in many major river basins.

Poor farming practices and deforestation are wearing away fertile topsoil faster than nature can rebuild it, threatening long-term food production. A scalable solution to reverse this trend remains unresolved globally.

Algae blooms can quickly poison drinking water sources, sometimes going undetected until people or animals get sick. Faster, cheaper detection methods could prevent this from becoming a public health crisis.

As electric vehicles become more common, so will the used batteries, most of which still lack an efficient, complete recycling process. Solving this prevents a looming new wave of battery waste.