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
open
Global / Unspecified, Global
Genuine empathy is often praised as essential to moral understanding, but it's unclear how much true empathy is even possible without any lived proximity to another's specific suffering. This unresolved tension complicates how we approach compassion across vastly different life experiences.
philosophy-ethics
global-unspecified
empathy
experiences
don
have
resolved
way
determine
whether
fair
expect
know
haven
mathematics-logic
open
Global / Unspecified, Global
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.
mathematics-logic
global-unspecified
whether
acts
don
know
truly
altruistic
behavior
exists
all
seemingly
haven
resolved
philosophy-ethics
possible
determine
open
Global / Unspecified, Global
Some argue certain hardships build character or understanding in ways that make them valuable in hindsight, while others reject the idea that suffering is ever truly redeemed by its outcomes. This unresolved question shapes how we think about adversity.
philosophy-ethics
global-unspecified
suffering
ever
haven
figured
out
whether
justified
leads
greater
personal
know
resolved
mathematics-logic
determine
possible
ethical
open
Global / Unspecified, Global
Ancient philosophers debated whether a truly virtuous life necessarily conflicts with self-interest or whether they ultimately align, and modern philosophy hasn't settled the question either. This affects how we understand the relationship between ethics and personal flourishing.
philosophy-ethics
global-unspecified
whether
self-interest
don
know
pursuit
ever
fully
reconciled
genuine
moral
resolved
haven
mathematics-logic
determine
possible
open
Global / Unspecified, Global
Protecting children's emotional wellbeing seems intuitively right, but doing so can also delay their ability to understand and navigate the real world accurately. This unresolved tension appears constantly in parenting and education.
philosophy-ethics
global-unspecified
children
world
wellbeing
haven
resolved
whether
ethical
shield
difficult
truths
know
determine
mathematics-logic
possible
open
Global / Unspecified, Global
Parts of the Greenland ice sheet may have already crossed tipping points where melting continues regardless of future emissions cuts. Understanding and potentially slowing this process remains one of climate science's most urgent unresolved challenges.
climate-environment
global-unspecified
greenland
ice
sheet
yet
stop
accelerating
melt
once
passes
certain
whether
philosophy-ethics
don
determine
way
resolved
open
Global / Unspecified, Global
Vast amounts of carbon and methane are locked in frozen Arctic soil, and as it thaws, it could release gases faster than current climate models predict. Better prediction tools are needed to understand how much this will accelerate warming.
climate-environment
global-unspecified
predict
will
release
gases
reliably
quickly
permafrost
thaw
trapped
greenhouse
philosophy-ethics
whether
health-biology
climate
mathematics-logic
carbon
open
Global / Unspecified, Global
The deep ocean holds vast mineral resources and ecosystems we barely understand, yet no single country has authority over most of it. Without a fair governance system, the deep sea risks being exploited before it's even properly studied.
society-governance
global-unspecified
deep
fair
sea
single
haven
found
way
govern
belongs
nation
philosophy-ethics
whether
resolved
mathematics-logic
determine
have
open
Global / Unspecified, Global
Prime numbers appear to follow patterns at large scales but seem random up close, and mathematicians still lack a full explanation for this behavior. Understanding it better could improve encryption methods that rely on primes.
mathematics-logic
global-unspecified
prime
numbers
don
have
complete
theory
predicting
distributed
appear
follow
whether
know
haven
philosophy-ethics
every
possible
open
Global / Unspecified, Global
This century-old conjecture predicts a hidden pattern in how prime numbers are distributed, but nobody has ever proven it true. A proof would deepen our understanding of numbers in ways that ripple into cryptography and physics.
mathematics-logic
global-unspecified
numbers
proven
understanding
prime
haven
riemann
hypothesis
central
century-old
conjecture
know
whether
possible
every
mathematical
philosophy-ethics
open
Global / Unspecified, Global
False information often reaches millions of people before any correction catches up, and by then the damage to public understanding is already done. Fixing this gap is critical to informed public debate.
society-governance
global-unspecified
stop
misinformation
spreading
faster
fact-checks
catch
public
false
information
often
whether
philosophy-ethics
haven
services
resolved
determine
open
Global / Unspecified, Global
Chronic stress physically changes the brain and body over time, and we don't yet have treatments that fully reverse that damage. Understanding this could transform how we treat burnout, trauma, and related illness.
mathematics-logic
global-unspecified
yet
reverse
damage
stress
biological
caused
long-term
chronic
physically
changes
whether
philosophy-ethics
health-biology
resolved
determine
don
open
Global / Unspecified, Global
Diet and exercise advice hasn't solved the obesity epidemic, and the biological reasons weight loss is so hard to sustain remain only partly understood. A deeper understanding could lead to treatments that actually last.
mathematics-logic
global-unspecified
obesity
hard
fully
explain
treat
long-term
people
diet
exercise
advice
whether
philosophy-ethics
health-biology
haven
resolved
determine
open
Global / Unspecified, Global
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.
philosophy-ethics
global-unspecified
people
some
age
others
don
fully
understand
slower
healthy
reach
whether
resolved
haven
determine
know
mathematics-logic
open
Global / Unspecified, Global
Neuroscience can map which brain regions activate during thought, but nobody can explain why that activity produces subjective experience at all. This gap separates our understanding of the brain from any real understanding of the mind.
philosophy-ethics
global-unspecified
brain
don
know
consciousness
arises
physical
matter
understanding
neuroscience
map
whether
resolved
determine
mathematics-logic
haven
have
open
Global / Unspecified, Global
We know roughly when life began, but not the exact chemical steps that turned non-living matter into something that could reproduce. Solving this would also tell us where else in the universe life might arise.
philosophy-ethics
global-unspecified
don
fully
understand
first
living
cells
originated
earth
life
know
whether
resolved
mathematics-logic
haven
determine
open
Global / Unspecified, Global
Gravity should be pulling everything together over time, yet distant galaxies are accelerating away from each other. This mystery, blamed on dark energy, remains one of the biggest open questions in physics.
science-space
global-unspecified
don
understand
universe
expansion
speeding
instead
slowing
down
gravity
pulling
whether
philosophy-ethics
mathematics-logic
know
resolved
determine
A persistent gap exists in realizing practical, scalable solutions for industrial-scale lunar propellant and structural material production. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
asia
malaysia
industrial-scale
lunar
propellant
structural
material
production
deployable
technologies
persistent
gap
solutions
systems
methods
scalable
enabling
A persistent gap exists in realizing practical, scalable solutions for antibiotic-free recirculating aquaculture with zero nutrient discharge. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
asia
nepal
antibiotic-free
recirculating
aquaculture
zero
nutrient
discharge
deployable
technologies
persistent
gap
solutions
systems
methods
scalable
practical
open
United States, North America
A persistent gap exists in realizing practical, scalable solutions for autonomous systems for monitoring and maintaining critical undersea infrastructure. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
north-america
united-states
practical
autonomous
systems
monitoring
maintaining
critical
undersea
infrastructure
realization
persistent
solutions
methods
ensuring
climate-environment
governance