Filter, search, and sort across every public problem on the marketplace.
Many health programs struggle to collect data ethically and to turn it into AI insights that are accurate, targeted, and actionable on the ground. Poor data practices and...
Around two billion people experience financial hardship from paying for healthcare directly out of pocket. These costs force families to choose between care and other necessities,...
An estimated half of the global population lacks access to comprehensive health services, and progress toward global health goals has slowed or reversed in recent years. This...
Pediatric and developmental health questions are often underfunded and lack the data tools needed to answer them. NICHD runs innovation competitions seeking new methods,...
Promising laboratory discoveries take many years and often fail to become usable therapies, a gap known as the valley of death. NCATS challenges seek tools, methods, and...
Chronic diseases are largely preventable, but motivating sustained behavior change at population scale is an unsolved problem. The Office of Disease Prevention runs challenges...
Treating rare diseases one at a time is slow and expensive, and the public rarely understands the shared biology that could let solutions help many conditions. The 2025 challenge...
Many high-stakes national problems are too complex for any single team and would benefit from focused AI breakthroughs. The grand-challenge model brings researchers and...
NASA produces enormous open datasets that are underused because few people know how to turn them into useful applications. The Space Apps Challenge invites global teams to build...
Farmers face pressure to keep yields high while protecting soil, water, and climate, and proven sustainable practices are hard to scale. The EPA and USDA competition sought...
Clean energy innovations often die in the lab because inventors lack the funding, facilities, and partners to build and test prototypes. The American-Made program runs prize...
Substance use disorder is widespread, yet promising treatments stall before reaching patients due to commercialization gaps. The startup challenge supported early-stage companies...
Treating wastewater to protect downstream rivers and drinking water is technically demanding and resource-intensive. The challenge recognized utilities and partners that achieved...
Older adults and people with disabilities often lack accessible technology that supports living independently at home. ACL challenges sought innovations and inclusive designs that...
Wildfires behave unpredictably and real-world training is dangerous, costly, and limited. The challenge asked for extended-reality proof-of-concept tools that simulate real-time...
Wildland firefighters work in rugged, dangerous terrain where carrying gear and supplies on foot is exhausting and risky. The challenge sought autonomous and semi-autonomous...
Vast amounts of publicly funded research data sit unused, wasting the investment that produced it. The DataWorks Prize rewarded teams that reused and reanalyzed existing datasets...
Sustaining student interest in science and engineering is hard, and abstract space technology feels out of reach. The Power to Explore essay challenge asked students to envision...
Fertilizer is essential to food production but runoff pollutes water and emits greenhouse gases. The joint competition sought new and improved fertilizer technologies that keep...
Excess nitrogen and phosphorus cause toxic algae blooms, but continuous monitoring sensors are too expensive to deploy widely. The challenge sought low-cost, reliable nutrient...
Stormwater runoff from paved campuses carries pollutants into rivers and overwhelms drainage systems. The annual student challenge asked teams to design on-campus green...
Many young people struggle silently with mental health because stigma discourages them from talking about it. The essay challenge invited students to share strategies for starting...
There are thousands of rare diseases, and individually each is overlooked, slowing research and funding. The challenge asked for creative communication, art, and social media...
Critical infrastructure runs on open-source code that is too vast for humans to audit, leaving dangerous security holes unpatched. The challenge asked teams to build AI systems...