11705 projects whose affiliated fair was here, most recently in 2026.
ISEF records a state or province for some finalists and not others, so these counts do not add up to the country total.
11705 projects · showing 5251–5280
ISEF · 2021
Environmental Engineering Third Award
Microplastics pose an increasing risk to beach ecosystems around the world. The abundance of microplastics negatively impacts natural processes such as evaporation, water flow, and heat tran…
ISEF · 2021
Energy: Sustainable Materials and Design
As environmental change has become a more prominent issue in the world, the need for alternative energy sources is ever growing. However, it is apparent that wind turbines are not nearly eff…
ISEF · 2021
Microbiology Fourth Award
Because of the strong association between microbial imbalance, decreased short-chain fatty acid (SCFA) production, and Crohn’s disease (CD) onset, microbiota-targeting therapies are crucial…
ISEF · 2021
Biochemistry
Chemical disinfectants are added during the production of drinking water to prevent bacterial growth in the water as it distributed to consumers. Historically, in all 50 states, liquid chlor…
ISEF · 2021
Animal Sciences
The purpose of this project is to determine if mussels would be able to clean water that shrimp live in. Four mussels were put into one 10-gallon tank while another 5-10 gallon tank was setu…
ISEF · 2021
Behavioral and Social Sciences
The purpose of this project was to see if taking a Big Five personality test or making decisions about choices between pieces of media could act as a method of identity priming. Two experime…
ISEF · 2021
Chemistry
Conversion of CO2 in a scalable technology has the potential for enormous energy and environmental impact but remains a challenge. I will explore the effects of earth-abundant perovskite oxi…
ISEF · 2021
Chemistry
Currently, reverse osmosis serving as the most widely used drinking water purification method is very costly and energy-intensive, which calls for innovative alternatives. Capacitive deioniz…
ISEF · 2021
Biomedical and Health Sciences
Colitis is a disease characterized by inflammation and epithelium injury in the colon. Colitis tissue consists of a variety of cells interacting with each other and gut microorganisms. These…
ISEF · 2021
Computational Biology and Bioinformatics
The prevalence of high mortality rates of cardiovascular diseases (CVD) in humans is contributed to the lack of detailed characterization of the human heart. Largely due to limited access in…
ISEF · 2021
Cellular and Molecular Biology
Parkinson’s disease (PD) is the second most common neurodegenerative disorder, affecting more than 6 million patients globally. Though previous studies have proposed several disease-related…
ISEF · 2021
Biomedical Engineering
Prosthetic arms are expensive. Without insurance, for a prosthetic arm one can be expected to pay anywhere from $2,000-$10,000 for a cosmetic and between $20,000-$100,000 for a functional ar…
ISEF · 2021
Energy: Sustainable Materials and Design
Proton Exchange Membrane Fuel Cells are efficient electrochemical energy conversion devices that use hydrogen and oxygen as fuel and produce water as exhaust. As a result, they are one of th…
ISEF · 2021
Embedded Systems
Alzheimer's disease is a destructive neurodegenerative disease that affects cognitive function as well as visuospatial and executive function. The chances of injury are heightened, and the p…
ISEF · 2021
Embedded Systems Second Award
In the United States alone, there are one million people who have Parkinson's disease. There is no known cure for Parkinson's and very few treatments out there that target the disease's symp…
ISEF · 2021
Computational Biology and Bioinformatics
COVID-19 has been a global health crisis for the past year. One way of testing COVID-19 is with the use of chest X-rays. Radiologists read an X-ray and provide results within 24 hours. Howev…
ISEF · 2021
Robotics and Intelligent Machines
Maintaining optimal indoor air quality (IAQ) and humidity is a critical aspect of improving overall health. Low IAQ leads to respiratory illnesses, while low humidity causes dehydration and…
ISEF · 2021
Earth and Environmental Sciences Fourth Award
The world's soils are losing their ability to naturally support crops, and many are approaching exhaustion. Erosion, soil structure degradation, nutrient loss, and soil microorganism populat…
ISEF · 2021
Environmental Engineering Second Award
Arsenic contamination of drinking water is a worldwide problem. It is recognized that at least 140 million people in 50 countries have been drinking water containing arsenic at levels above…
ISEF · 2021
Robotics and Intelligent Machines Second Award
Current devices geared towards the deaf and hard of hearing, such as hearing aids, struggle to localize and transmit sounds to those with severe hearing impairments. Advanced devices, like c…
ISEF · 2021
Engineering Mechanics
Space junk, or orbital debris, poses an increasing threat to spacecraft and satellite-based infrastructure due to extremely high impact velocities, and any collision may result in thousands…
ISEF · 2021
Earth and Environmental Sciences Fourth Award
The rapid growth in urbanization over the past few years has caused the Urban Heat Island (UHI) phenomenon- an occurrence where the temperature of an urban area is significantly greater than…
ISEF · 2021
Biomedical Engineering Fourth Award
There are upwards of 7.5 million people suffering from speech impairment caused by conditions such as stroke, ALS, and cerebral palsy. These paralyzed patients can’t speak, as they can’t use…
ISEF · 2021
Materials Science
The advent of affordable fused-filament-fabrication (FFF) 3D printers in the consumer space in recent years has given a remarkable extent of manufacturing ability to hobbyists. While one of…
ISEF · 2021
Plant Sciences
I studied and tested the speed of photosynthesis relative to a plant’s surface area. What was found was that plants with a higher surface area can undergo photosynthesis faster than plants w…
ISEF · 2021
Engineering Mechanics Third Award
NASA’s InSight probe was used to hammer into the surface of Mars in hopes of studying the planet’s internal temperature. Unfortunately the mission ended early, due to the probe penetrating a…
ISEF · 2021
Energy: Sustainable Materials and Design Second Award
Heating, cooling, and ventilation consume $122 billion/year in the US. Improving the systems’ efficiency, even just slightly, will lead to significant cost savings. The goal is to develop hi…
ISEF · 2021
Robotics and Intelligent Machines
Potholes are a significant threat for vehicles as they cause an alarming 33% of all traffic-related accidents in the United States. The current method of identifying potholes is inaccurate a…
ISEF · 2021
Translational Medical Science
Lung cancer, the leading cause of cancer death, has no simple, non-invasive early detection tests. This project aims to create a multiplex sputum-based RNA probe through the targeting of the…
ISEF · 2021
Embedded Systems
As the world turns to wearable technology, multiple companies have tried their hands at smart glasses. However, no one has yet developed a product that strikes the balance between fashion, a…