Updated October 2026

TL;DR

This guide explores 35 life sciences research topics for high school students across six areas: environmental biology, genetics and biotechnology, neuroscience, infectious diseases, computational biology, and behavioral science. You can use these ideas to study local ecosystems, investigate how genes affect health, explore the brain, examine disease prevention, analyze biological data, or understand human behavior. Each topic includes a research question and the tools you may need to get started. If you want to take your idea further and develop an independent research paper with one-on-one PhD mentorship, explore the Lumiere Research Scholar Program.

If you're a high school student interested in life sciences, pursuing independent research can help you explore your academic interests, strengthen your college applications, and build your resume. This guide takes you through 35 life sciences research ideas across fields like environmental biology, genetics, neuroscience, infectious diseases, computational biology, and behavioral science. Each idea gives you a starting point for developing a research project that you can discuss in college applications and interviews. If you're also interested in biology-focused projects, take a look at our guide to 25 Research Ideas in Biology for High School Students.

35 Life Sciences Research Topics to Explore

The table below gives you a quick overview of the six research areas and the kinds of projects you can consider.

Environmental Biology and Ecology

Environmental biology looks at how living things interact with their surroundings. These topics are a good starting point if you enjoy nature, conservation, climate science, or understanding how human activities affect ecosystems.

1. How urban green spaces support biodiversity

Compare two local green spaces, such as a public park and a roadside area. Look at how their plant cover, size, and human activity differ, and consider how these differences might affect the species found there.

Research question: How does the amount of green space in an urban area relate to the variety of plants, birds, or insects found there?

Tools required: Field observation sheets, a phone camera, maps, species-identification resources, and a spreadsheet.

2. How air pollution affects plant health

Explore research on plants growing in areas with different levels of air pollution. You could compare published studies or examine plant observations from locations with different traffic levels.

Research question: Is higher air pollution associated with changes in plant growth, leaf damage, or leaf size?

Tools required: Scientific papers, air-quality datasets, plant observation records, and spreadsheet software.

3. How climate change affects species distribution

Choose a plant or animal species and investigate whether its geographic range has changed over time. Look at published records and climate data to understand possible reasons for those changes.

Research question: How have changing temperatures affected the geographic distribution of a selected species?

Tools required: Species-distribution records, historical climate data, maps, and spreadsheet software.

4. How water quality affects freshwater ecosystems

Choose a freshwater ecosystem, such as a lake, river, or pond. Compare available water-quality information with records of the plants and animals living there.

Research question: How are changes in water quality associated with the diversity of freshwater organisms?

Tools required: Public water-quality reports, biodiversity records, scientific papers, and a spreadsheet. If you collect water samples, follow appropriate safety guidance and avoid testing contaminated water yourself.

5. How invasive species affect native plants and animals

Select an invasive species and examine how it competes with native species for food, space, or other resources. You can compare studies from different ecosystems to identify common patterns.

Research question: How does the presence of an invasive species affect the abundance or diversity of native species?

Tools required: Scientific literature, biodiversity datasets, species-identification resources, and a spreadsheet.

6. How habitat loss affects wildlife populations

Choose an animal species affected by habitat destruction. Review population records alongside information about deforestation, urban expansion, or other changes to its habitat.

Research question: What relationship exists between habitat loss and changes in the population of a selected wildlife species?

Tools required: Wildlife population datasets, land-use maps, satellite imagery, and spreadsheet or mapping software.

Genetics and Biotechnology

Genetics explores how information passes from one generation to the next, while biotechnology looks at how scientists use biological systems to solve problems. These topics can help you understand inherited conditions, gene editing, and the ethical questions surrounding new technologies.

7. How genetic mutations can cause inherited diseases

Choose an inherited condition and study the gene associated with it. Look at how particular mutations can affect a protein and contribute to the condition.

Research question: How does a specific genetic mutation affect the function of a protein associated with an inherited disease?

Tools required: Genetics textbooks, published research papers, gene databases, and basic molecular biology resources.

8. How CRISPR gene editing works

Learn how CRISPR-Cas systems allow scientists to target and change particular DNA sequences. Compare published studies that use this technology for different medical or scientific purposes.

Research question: How does CRISPR-Cas9 gene editing differ from earlier approaches to changing DNA?

Tools required: Scientific papers, genetics resources, diagrams of gene-editing processes, and a comparison table.

9. The ethical questions surrounding human gene editing

Compare scientific, medical, and ethical arguments about editing genes in human cells. Pay particular attention to the difference between changes that affect only one person and changes that could be inherited by future generations.

Research question: What are the main benefits, risks, and ethical concerns associated with heritable human gene editing?

Tools required: Peer-reviewed papers, bioethics guidelines, policy documents, and a source-comparison spreadsheet.

10. How epigenetics affects gene activity

Explore how environmental factors and biological processes can influence whether certain genes are active or inactive without changing the underlying DNA sequence.

Research question: How can environmental factors influence gene expression through epigenetic mechanisms?

Tools required: Review papers, genetics textbooks, publicly available gene-expression studies, and note-taking software.

11. How biotechnology can help clean up pollution

Investigate bioremediation, a process that uses organisms such as bacteria, fungi, or plants to help remove or break down pollutants. Compare examples from soil, water, or industrial waste treatment.

Research question: How effective are biological methods at removing a particular pollutant from the environment?

Tools required: Environmental biotechnology papers, published case studies, pollution data, and a spreadsheet.

12. How genetic testing can help identify disease risk

Study how genetic tests identify variants associated with inherited conditions. Compare what different types of genetic tests can tell you and what their results cannot predict.

Research question: How accurately can genetic testing identify the risk of developing a selected inherited condition?

Tools required: Medical genetics literature, clinical guidelines, published testing studies, and a comparison table.

Neuroscience and Cognitive Science

Neuroscience focuses on the brain and nervous system, while cognitive science explores processes such as learning, attention, and memory. These ideas are useful if you're curious about how people think, learn, sleep, and respond to the world.

13. How sleep affects memory and learning

Review studies that compare sleep duration or sleep quality with learning and memory outcomes. You could focus on teenagers, whose sleep patterns are often discussed in research.

Research question: What relationship exists between sleep duration and memory performance among adolescents?

Tools required: Peer-reviewed studies, published sleep data, a spreadsheet, and basic statistical tools.

14. How stress affects the brain

Explore research on how short-term and long-term stress affect attention, memory, and other cognitive functions. Compare findings from studies that examine different types of stress.

Research question: How is chronic stress associated with changes in memory or attention?

Tools required: Neuroscience papers, psychology journals, published study data, and a spreadsheet.

15. How the brain learns new information

Investigate how the brain forms and strengthens connections during learning. Compare research on different learning methods, such as spaced practice and repeated study sessions.

Research question: How does spaced practice affect long-term retention compared with studying the same material in one session?

Tools required: Learning and memory research papers, published experimental results, and a spreadsheet. If you conduct your own study, obtain appropriate permission and consent.

16. How neurodegenerative diseases affect the brain

Choose a condition such as Alzheimer's or Parkinson's disease. Research the biological changes associated with the condition and how they affect particular brain functions.

Research question: How does a specific biological process contribute to the progression of a selected neurodegenerative disease?

Tools required: Medical research papers, neuroscience textbooks, disease resources, and a literature-review document.

17. How the brain responds to rewards

Explore the brain systems involved in motivation and reward. Compare research on how different rewards, such as praise or achieving a goal, may influence learning and decision-making.

Research question: How does reward influence motivation and learning in humans?

Tools required: Neuroscience and psychology studies, published experimental data, and a spreadsheet.

18. How neurodevelopmental conditions affect learning

Choose a neurodevelopmental condition, such as ADHD or autism, and review research on how it may affect particular learning experiences. Focus on evidence rather than assuming everyone with the same diagnosis has the same experience.

Research question: What does research suggest about the relationship between a selected neurodevelopmental condition and a specific aspect of learning?

Tools required: Peer-reviewed studies, educational research, review papers, and a source-comparison table.

Infectious Diseases and Public Health

This area looks at how diseases spread, how the immune system responds, and how public health measures can protect communities. You can explore many of these topics using published research and publicly available health data.

19. How infectious diseases spread through populations

Choose an infectious disease and examine how factors such as contact between people, population density, and travel influence its spread. Use historical outbreaks or published datasets as examples.

Research question: How does population density relate to the spread of a selected infectious disease?

Tools required: Public health datasets, epidemiology papers, outbreak reports, and spreadsheet software.

20. How vaccines help prevent infectious diseases

Choose a vaccine-preventable disease and review how vaccination affects infection rates or severe illness. Compare evidence from different populations or periods while accounting for other factors that may influence the results.

Research question: How has vaccination coverage been associated with changes in cases of a selected infectious disease?

Tools required: Public health reports, vaccination data, peer-reviewed studies, and a spreadsheet.

21. How climate change can influence disease spread

Investigate a disease carried by insects or other vectors, such as mosquitoes. Compare research on how temperature, rainfall, and other environmental factors may affect the organisms that spread the disease.

Research question: How are temperature changes associated with the geographic spread of a selected vector-borne disease?

Tools required: Climate datasets, disease surveillance reports, scientific papers, and mapping software.

22. Why antibiotic resistance develops

Study how bacteria can become resistant to antibiotics and how antibiotic use can contribute to the problem. Compare resistance patterns across different bacteria or regions.

Research question: How is antibiotic use associated with changes in antibiotic resistance in a selected bacterial species?

Tools required: Antibiotic resistance reports, microbiology papers, public health datasets, and spreadsheet software.

23. How hand hygiene helps prevent infections

Review studies that examine handwashing and infection prevention in settings such as schools, hospitals, or households. Compare the methods used and the outcomes measured.

Research question: How does hand hygiene compliance relate to infection rates in a selected setting?

Tools required: Published hygiene studies, infection-rate data, public health guidelines, and a comparison table.

24. How social conditions affect public health

Choose a health outcome and examine how factors such as income, housing, education, or access to healthcare are associated with it. Focus on the evidence for one population or location.

Research question: How is access to healthcare associated with outcomes for a selected health condition?

Tools required: Public health datasets, research papers, government reports, and spreadsheet software.

Computational Biology and Bioinformatics

Computational biology uses computers and data to answer biological questions. You don't need to be an advanced programmer to begin: you can start with public datasets, simple comparisons, and tools that help you organize information.

25. How gene expression differs between healthy and diseased cells

Look at a published gene-expression dataset comparing healthy samples with samples affected by a particular disease. Identify which genes show differences and review what researchers already know about them.

Research question: Which genes show different expression levels between healthy and diseased samples in a selected dataset?

Tools required: Public gene-expression datasets, spreadsheet software, and beginner-friendly bioinformatics resources.

26. How biological data can help researchers study cancer

Choose one type of cancer and explore a public dataset containing information about genes, proteins, or patient outcomes. Focus on a manageable set of variables and interpret the findings carefully.

Research question: Which biological features are associated with differences in outcomes for a selected type of cancer?

Tools required: Public cancer datasets, research papers, spreadsheet software, and optional beginner-level Python or R.

27. How computer models can predict protein structure

Learn why a protein's shape matters for its function. Explore examples of predicted protein structures and compare them with published information about the proteins' roles.

Research question: How can predicted protein structures help researchers understand the function of a selected protein?

Tools required: Protein databases, protein-structure visualization tools, biology papers, and a research log.

28. How bioinformatics helps scientists study the microbiome

Explore research on the microorganisms living in a particular environment, such as the human gut or soil. Compare studies that report differences in microbial communities under different conditions.

Research question: How does the composition of a selected microbiome differ between two groups or environments?

Tools required: Published microbiome datasets, scientific papers, spreadsheet software, and optional beginner-level coding tools.

29. How machine learning can help identify biological patterns

Find a published study that uses machine learning to classify biological data, such as images of cells or medical images. Examine how the model was trained and how researchers measured its performance.

Research question: How accurately can a machine-learning model classify a selected type of biological data?

Tools required: Published machine-learning studies, an openly available dataset, spreadsheet software, and optional Python.

30. How genetic data can reveal evolutionary relationships

Choose a group of related species and examine published DNA sequence data. Compare selected sequences to understand how scientists use genetic similarities and differences to study evolution.

Research question: How can DNA sequence similarities help establish evolutionary relationships between selected species?

Tools required: Public DNA sequence databases, sequence-comparison tools, evolutionary biology papers, and a spreadsheet.

Behavioral Science and Psychology

Behavioral science examines how people think, feel, and act. Many questions in this field connect psychology with biology, health, and the environment. You can start by reviewing existing research or, with appropriate consent and safeguards, collecting simple data.

31. How stress relates to physical health

Review studies on the relationship between stress and outcomes such as sleep, heart rate, or self-reported physical well-being. Compare the methods researchers use to measure stress.

Research question: What relationship has research found between perceived stress and sleep quality among adolescents?

Tools required: Published health studies, validated survey measures, and spreadsheet software. Avoid collecting sensitive health information without appropriate approval.

32. How screen time relates to sleep

Explore research on screen use before bedtime and sleep patterns. Compare studies that distinguish between total screen time, evening use, and the type of activity being performed.

Research question: How is screen use in the hour before bedtime associated with sleep duration among teenagers?

Tools required: Peer-reviewed studies, published survey data, spreadsheet software, and optional survey tools for an approved study.

33. How habits form and change

Investigate how repetition, cues, and rewards can influence habits. Choose a specific habit-related behavior and compare research on approaches that help people maintain or change it.

Research question: What role do cues and rewards play in the development of a selected habit?

Tools required: Psychology research papers, behavior-change studies, a literature-review document, and a spreadsheet.

34. How social media relates to mental well-being

Compare studies on social media use and mental well-being. Pay attention to how researchers define social media use and whether they distinguish between different activities, such as passive browsing and direct interaction.

Research question: What relationship has research found between different patterns of social media use and mental well-being among adolescents?

Tools required: Peer-reviewed studies, published survey datasets, and spreadsheet software. If you conduct a survey, protect participants' privacy and obtain appropriate consent.

35. How physical activity relates to mood and concentration

Review research on physical activity and outcomes such as mood, attention, or cognitive performance. Compare studies involving different types or durations of activity.

Research question: How is regular physical activity associated with mood or concentration in adolescents?

Tools required: Exercise and psychology research papers, published study data, spreadsheet software, and optional basic statistical tools.

How can you turn one of these topics into a research project?

A topic is a starting point and once you find an idea you like, use these steps to make it more focused.

1. Choose one specific problem. Instead of studying all of climate change, focus on how changing temperatures may affect one species in one region.

2. Write a clear research question. Make sure your question identifies what you want to understand, compare, or investigate.

3. Read existing research. Look at scientific papers to learn what researchers already know and where further investigation may be useful.

4. Decide how you'll find evidence. Depending on your topic, you might use published studies, public datasets, observations, or an experiment approved by your school or mentor.

5. Analyze what you find. Organize your evidence, compare results, and explain what it does and does not show.

6. Present your conclusions. Put your findings into a research paper that explains your question, methods, evidence, limitations, and conclusions.

You can also read our guide on what makes a good research question to help narrow down your idea.

Frequently Asked Questions

1. Can you do life sciences research as a high school student without a laboratory?

Yes. You can investigate many life sciences questions through scientific literature reviews, public datasets, computer-based analysis, and carefully planned observations. Some questions require laboratory equipment or specialist supervision, so choose a method that matches the resources available to you.

2. Do you need coding skills to study computational biology?

No. You can begin by exploring public biological datasets and learning how researchers interpret them. Coding can help with more complex analyses, but you can build your understanding gradually as your project develops.

3. Can you conduct a life sciences research project independently?

Yes. You can start by choosing a question, reviewing existing research, and planning how to gather evidence. If your project involves human participants, animals, biological samples, or potentially hazardous materials, you may need additional supervision, permissions, and safety measures.

4. Can the Lumiere Research Scholar Program help you develop a life sciences research project?

Yes. The Lumiere Research Scholar Program offers eligible high school students the opportunity to work one-on-one with a PhD mentor on an independent research project. You can explore your interests, develop a focused research question, and work toward a research paper with guidance throughout the process.