TL;DR

This list includes 25 biology research ideas covering cancer, cancer treatment, gene editing, pharmaceutical and disease research, neuroscience, microbial studies, and developmental biology. Some topics can be explored through literature reviews, public databases, case studies, existing research, or other accessible methods, while others, such as CRISPR system design and tumor cell studies, are more likely to require lab access or specialized resources. The ideas also cover questions that connect biology with public health, environmental science, medicine, and ethics. If you want to turn one of these ideas into an independent research project with 1:1 PhD mentorship, the Lumiere Research Scholar Program can help you develop and pursue a focused research question.

A good biology research project starts with a question that is relevant, interesting to you, and realistic to investigate. You should think about whether the topic addresses a meaningful question, whether you will stay interested in it throughout the project, and whether you have a practical way to study it with the time, resources, and methods available to you. A broad area such as cancer or gene editing can lead to many different research questions, so narrowing the topic is an important first step.

For more guidance on developing a focused question, see What Makes a Good Research Question?.

How do you choose a biology research topic?

Start with a biology area that interests you and then narrow it down to one question you can realistically investigate. A topic should have enough existing research for you to understand the field, while still leaving room for a specific question you can explore.

You should also consider the resources and methods available to you. A project based on scientific literature, public databases, or case studies may be easier to manage than one that requires specialized equipment, biological samples, or clinical access.

Which biology research topics don't require lab access?

Not every biology research project requires a laboratory. Ideas based on scientific literature, public health data, sequencing databases, case studies, or ethics review can be completed without specialized equipment or wet-lab work. Reviewing gene-editing technologies and their ethical implications, analyzing public vaccination data, or comparing published drug-delivery research are all examples you can pursue with a computer and access to published studies.

Other ideas, such as designing a CRISPR system or studying tumor cell interactions directly, are more likely to need lab access, biological samples, or specialized equipment. Check the table below to see which category each subfield tends to fall into before choosing a topic.

Which biology research topics are best for beginners vs. advanced students?

Beginner-friendly biology topics generally rely on literature review, public data, or existing case studies rather than specialized lab work or advanced coursework. Reviewing gene-editing ethics, analyzing public health data on vaccination barriers, or studying microbial applications from existing research are accessible starting points if you're newer to research.

More advanced topics tend to involve technical methods such as sequencing database analysis, gene expression comparison, or experimental design, and can benefit from a stronger background in genetics, cell biology, or statistics. If you're unsure where you fall, starting with a literature-based question and narrowing it as you learn more is a reasonable way to scale the project to your current level.

Which biology topics overlap with public health, policy, or ethics?

Biology connects with many areas outside the laboratory. Pharmaceutical and disease research can involve vaccine campaigns, drug delivery, clinical translation, and pandemic preparedness, while gene editing raises questions about the social and ethical implications of changing DNA.

These connections can give you another way to approach a biology topic. For example, you could examine barriers to vaccination, compare existing drug delivery technologies, or study the ethical questions surrounding gene editing.

How do you approach a sensitive or high-stakes topic like cancer or disease research?

Sensitive biology topics require careful research questions and appropriate methods. If you are studying cancer, disease, addiction, vaccination, or genetic conditions, you can focus on existing research, public datasets, clinical studies, treatment approaches, or broader scientific questions rather than attempting to diagnose or treat people yourself.

You should also consider the limitations of your data and the scope of your project. A focused question based on existing evidence can give you a manageable way to study a complex biological problem.

Which biology research ideas need lab access, and which don't

25 biology research ideas for high school students

1. Cancer cell research

Cancer is a large area of biological research, but you can narrow it down to a specific question. Molecular mechanisms, cancer progression, and biological databases all offer different directions for research.

1. Find the biochemical underpinnings of cancer predisposition syndromes.

2. Analyze biological sequencing databases to understand what makes certain cancers more aggressive.

3. Study tumor progression and how cancer cells invade and interact with other cells.

For more cancer-focused research questions, see 30+ Cancer Research Topics for High School Students.

Suggested by a Lumiere PhD mentor at Cornell University.

2. Cancer treatment research

Cancer treatment research looks at how scientists develop and improve ways to treat cancer. You can focus on the immune system, treatment resistance, new approaches, or methods for improving early detection.

4. Study cancer immunotherapy, including how cancer cells evade the immune system and how researchers use the immune system to fight cancer.

5. Track current progress and limitations of new treatment methods and identify possible directions for future research.

6. Study how cancer cells can evolve to become resistant to treatments that were once effective.

7. Develop methods and workshops to help with early cancer detection, such as teaching women how to conduct a simple breast exam at home.

Suggested by Lumiere PhD mentors at Duke University and Yale University.

3. Gene editing

Gene editing involves changing specific regions of cellular DNA and has applications in disease treatment, agriculture, and other areas. It also raises important ethical and social questions.

8. Identify disease-causing genes in a crop pathogen.

9. Research past and current gene-editing technologies, identify their remaining challenges, and examine their ethical and social implications.

10. Design a CRISPR system to mutagenize an important gene in a plant or animal to improve its health or productivity.

Suggested by a Lumiere PhD mentor at UC Berkeley.

4. Pharmaceutical and disease research

Pharmaceutical and disease research covers questions about drug development, vaccines, disease treatment, and public health. Many of these topics can be explored through existing scientific literature and public data.

11. Identify technical challenges in mass vaccination campaigns by reviewing public health data and scientific literature on vaccine delivery technologies.

12. Analyze barriers in the clinical translation of biomaterials through case studies of failed products and reviews of clinical trial data.

13. Conduct surveys to study diversity in immune responses to viruses.

14. Design specific operating procedures for a pandemic-prepared task force.

15. Research novel drug delivery devices aimed at a specific disease, such as Type 1 Diabetes, and examine the disease in depth.

16. Compare gene expression profiles of healthy and diseased cells for very rare disorders.

Suggested by a Lumiere PhD mentor at UC Berkeley.

5. Neuroscience research

Neuroscience examines the biological processes behind the brain and nervous system. Research in this area can connect with questions about brain development, learning, memory, behavior, addiction, and new research tools.

17. Review recent advances in neuroscience and the potential benefits and costs of new tools and techniques.

18. Explore different theories of learning and memory, including findings from existing clinical studies.

19. Study the scale and types of neural analyses used to record brain activity and compare normal states with diseased states.

20. Analyze the effects of alcohol and drug addiction on the brain.

Suggested by a Lumiere PhD mentor at Stanford University.

6. Microbial studies

Microbial research has applications in areas such as environmental biotechnology, therapeutics, plastic recycling, and waste disposal. You can use existing research and data to investigate how microbes are being used to address these problems.

21. Study current microbial applications for plastic recycling or bioplastic production and develop your own proposal.

22. Compare data from existing techniques in environmental biotechnology and bioremediation and examine which approaches appear most effective.

Suggested by a Lumiere PhD mentor at the University of Pennsylvania.

7. Developmental biology

Developmental biology examines how organisms grow and develop. Research in this area can cover fertility, development, microbiomes, and the effects of environmental or chemical exposure.

23. Study the factors that influence fertility and development in a specific organism and consider how the findings could be applied to humans.

24. Analyze how the collection of microbes living in a host organism, known as the microbiome, affects the physiology of that organism.

25. Study how chemical exposures during fetal development can affect an organism's growth, including limb development and sex determination.

Suggested by a Lumiere PhD mentor at Johns Hopkins University.

Methods and typical output by subfield

How a research program can help with a biology project

A research program with a mentor can give you structure as you develop a research question and decide how to approach it. It can also help you work through different stages of a project while learning how researchers study questions in biology.

Questions high schoolers ask about biology research

1. Do I need lab access to research one of these biology topics?

Not always. Several topics can be explored through scientific literature, public databases, case studies, existing research, or public health data, while topics such as CRISPR system design and tumor cell studies are more likely to need lab access or specialized resources.

2. Do these topics require a background in chemistry or advanced biology coursework?

Not always. Some ideas can begin with accessible literature reviews or existing data, while more technical topics may require stronger knowledge of areas such as genetics, cell biology, or other specialized parts of biology.

3. Can I combine ideas from more than one biology subfield, or should I stick to just one?

Yes, you can combine related areas if the connection gives you a clear research question. For example, pharmaceutical research can connect with public health, while neuroscience can overlap with questions about addiction, behavior, and brain science.

4. Do I need someone to guide me through a biology research project like this?

You can work through a project independently, but guidance can help you narrow a broad biology topic, choose a suitable method, and keep the project manageable. If you want 1:1 guidance from a PhD-level researcher while developing an independent project, you can explore the Lumiere Research Scholar Program.