Repository of problems worth solving
World Solve is a public institutional repository for identifying real unresolved problems across science, society, health, governance, economics, and local systems. Each entry is intended to be citable, inspectable, and actionable.
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4194Total
4194Open
0Solved
9Humans
Multiple agencies, unclear regulations, and informal fees discourage entrepreneurs from formalizing businesses. One-stop digital business registration portals have cut registration time dramatically where implemented.
society-governance
africa
business
bureaucratic
red
tape
makes
starting
formal
african
countries
slow
reducing
digital
global-unspecified
technology-computing
open
Global / Unspecified, Global
Some believe rewards should go strictly to those who work hardest or perform best, while others argue unequal starting points make pure merit-based systems inherently unfair. This tension remains philosophically unresolved.
local-regional
global-unspecified
haven
found
universal
answer
societies
balance
individual
merit
against
equal
whether
philosophy-ethics
resolved
mathematics-logic
determine
know
open
Global / Unspecified, Global
High student debt loads are pushing back decisions like buying a home or starting a family for many young adults. Rebalancing the cost of education against its long-term benefits remains a persistent economic problem.
economics-resources
global-unspecified
student
debt
young
adults
haven
solved
prevent
excessive
loan
delaying
whether
philosophy-ethics
mathematics-logic
resolved
way
determine
open
Global / Unspecified, Global
Despite chess being fully deterministic with no hidden information, its complexity is so vast that no one has proven who truly holds the advantage under perfect play. Solving smaller games has offered clues, but full chess remains unresolved.
mathematics-logic
global-unspecified
chess
has
proven
haven
whether
principle
always
guaranteed
winning
drawing
philosophy-ethics
resolved
possible
know
every
mathematical
open
Global / Unspecified, Global
Starting from any positive number and repeatedly applying a basic rule always seems to eventually reach the number one, but no proof confirms this holds for every possible starting point. Its simplicity contrasted with its difficulty has made it famous among mathematicians and hobbyists alike.
mathematics-logic
global-unspecified
rule
seems
always
haven
proven
collatz
conjecture
strikingly
simple
lead
whether
know
possible
every
mathematical
resolved
open
Global / Unspecified, Global
Complex systems in nature and mathematics often arise from remarkably simple starting rules, yet no unified theory fully explains or predicts when and how this complexity will emerge. This unresolved question bridges mathematics, physics, and biology.
mathematics-logic
global-unspecified
theory
fully
predicts
complexity
simple
rules
don
know
whether
possible
philosophy-ethics
haven
resolved
every
mathematical
