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 5401–5430
ISEF · 2021
Earth and Environmental Sciences
The uprise of climate change induces a harmful increase in carbon dioxide. One deleterious effect of excess atmospheric CO2 is, notably, the decrease in access to quality air, leading to egr…
ISEF · 2021
Environmental Engineering
Many modern solar energy systems have adopted a mobility system over an immobile panel, but is it worth the cost, and is it much more efficient than an immobile system? This project tests th…
ISEF · 2021
Biomedical Engineering
Adult stem cells are significant candidates in regenerative medicine due to their ability to self-renew and differentiate into multiple specialized cells. Dental pulp stem cells (DPSCs) are…
ISEF · 2021
Biomedical and Health Sciences
The leading cause of potentially survivable deaths in war is hemorrhage. This is frequently due to shortcomings of ready-to-use donated human whole blood with their short shelf lives, storag…
ISEF · 2021
Animal Sciences
In this pandemic, blue light has become a common part of everyday life through LEDs and computer monitors. The researcher hypothesized that a severe exposure to blue light before a Traumatic…
ISEF · 2021
Plant Sciences
The purpose of this experiment was to determine the effect of boron toxicity on the root growth of Schrenkiella parvula and Arabidopsis thaliana. According to previously published work, an e…
ISEF · 2021
Plant Sciences
Microbially-unsafe water is a major concern particularly in developing countries. After three years of testing natural water purification systems for these underprivileged areas, the objecti…
ISEF · 2021
Behavioral and Social Sciences
It has been assumed that a concussion can result in lasting vision problems, like a Visual Midline Shift. Many individuals suffer from a Visual Midline Shift following a Traumatic Brian Inju…
ISEF · 2021
Cellular and Molecular Biology First Award
Mutated PTEN induced kinase 1 (PINK1) is linked to Parkinson’s disease, predisposing an individual to neurodegeneration. Interestingly, the FOXO, AOP, PNR, and TOR transcription factors have…
ISEF · 2021
Environmental Engineering Second Award
According to the World Health Organization, 783-million people lack access to clean, drinking water. The majority of areas stricken with non-potable water, however, are relatively close in p…
ISEF · 2021
Animal Sciences
Oxidative stress results from an imbalance between free radicals and antioxidants in human bodies. Free radicals may begin to damage human fatty tissue, DNA, and proteins, which can cause ne…
ISEF · 2021
Plant Sciences
Aspergillus niger is a common fungus that causes black mold on food crops. Existing fungicides pose environmental risks, face increasing resistance mechanisms, and are difficult to practical…
ISEF · 2021
Microbiology
Experimentation in physical sciences is susceptible to human and technical errors. However, recent advancements in computational fields have provided applicable mechanisms to the areas of ph…
ISEF · 2021
Plant Sciences
The purpose of this experiment is to test the effects of Sulforaphane on tumor growth in Glycine max. If Sulforaphane suppresses tumor growth in the plant, then Sulforaphane is a potential t…
ISEF · 2021
Biomedical and Health Sciences Fourth Award
Limb loss poses an important challenge to society, as humans have limited regenerative potential. The murine digit is used to study mammalian regeneration because it can regenerate after dis…
ISEF · 2021
Robotics and Intelligent Machines
The purpose of this project was to investigate the relationship between features such as hospital size, hospital location, and, primarily, regional income, and hospital pricing. Data were ob…
ISEF · 2021
Physics and Astronomy
Rockets, they're fairly interesting to me, so, I've decided to test multiple variables that effect rockets such as: Fin Structure/Shape, Payloads, Engines, Aerodynamics of the Rocket, Weathe…
ISEF · 2021
Computational Biology and Bioinformatics
The issue of food waste is a major problem that contributes to the emissions of greenhouse gases into the environment in addition to causing illness in humans. This experiment aimed to devel…
ISEF · 2021
Translational Medical Science
One main challenge during the COVID-19 pandemic is the lack of safety measures to reduce the risk of viral spread during gatherings. This study evaluated oral and nasal droplet spread in an…
ISEF · 2021
Mathematics Fourth Award
Motivated by the characterization of symmetric monoidal functors between Deligne categories, the additive monoid R_+(x) is defined as the set of all nonnegative integer linear combinations o…
ISEF · 2021
Physics and Astronomy
A defining, yet complicated aspect of tennis is the spin. It was evident that spin greatly alters trajectory after impact, but spin had also been identified to affect aerodynamics while the…
ISEF · 2021
Microbiology
Unknown deposits have recently been found in the pipes of Libbey Fountain, one of the public jug fountains in Hot Springs National Park. To analyze the cause of these microbial corrosion dep…
ISEF · 2021
Biomedical Engineering Fourth Award
This year alone, 1 million Americans suffer from Parkinson’s Disease (PD); 5 million from Alzheimer’s (AD); and 400,000 from Multiple Sclerosis (MS). Neurodegenerative diseases affect the ne…
ISEF · 2021
Biomedical and Health Sciences
This project helped determine which type of toxic chemicals found in vaping products would have the greatest impact on growth/development of yeast cells in both liquid and aerosol cultures.…
ISEF · 2021
Physics and Astronomy
Chlorophyll is a photosynthetic pigment found in plants that can be extracted from the use in a natural Dye-Sensitized solar cell. To construct the cell first the pigment must be extracted u…
ISEF · 2021
Environmental Engineering
The question was: What effect do different concentrations of tannic acid powder, St. Louis River water, and non-resistant Staphylococcus aureus have on bacterial growth and biofilm developme…
ISEF · 2021
Energy: Sustainable Materials and Design
The purpose of this experiment was to test the ability of magnifiers such as SiO2, lenses and mirrors to increase the energy produced by fluorescent proteins GFP and EBFP2-BFP, a UV protein.…
ISEF · 2021
Environmental Engineering
My research was centered around finding an effective soil remediating alternative to cattle manure in replenishing soil nutrients in areas damaged by intense forest fires. Bamboo Biochar was…
ISEF · 2021
Engineering Mechanics
As urban areas become more densely populated, developers build skyscrapers higher and higher. At higher altitudes, wind speeds increase leaving structures more susceptible to wind flow. By d…
ISEF · 2021
Chemistry
Water removal through demulsification is a critical step in oil refineries. However, the mass production of conventional chemical demulsifiers is detrimental to public health and the environ…