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 5371–5400
ISEF · 2021
Chemistry
Medicine should be available to all. But it isn’t. This is because many communities lack the resources for a medicinal cold chain, a distribution network that keeps medicine cold until it is…
ISEF · 2021
Engineering Mechanics
The purpose of this experiment was to find out whether the distance between double-helical wrapping around fiber reinforced soft actuators affects the pressure required to achieve bending. F…
ISEF · 2021
Earth and Environmental Sciences
The increasing greenhouse gas emissions causing climate change have been observed to deplete the nutrient content of crops, which can impact global malnutrition. Zinc is one of the plant mic…
ISEF · 2021
Earth and Environmental Sciences
The future of hydro energy is here! You may have heard of government dams generating energy, but not many regular citizens have the money or means to build their own functioning hydroelectri…
ISEF · 2021
Plant Sciences Third Award
Acidic soil severely inhibits legume nodulation and devastates crop yields worldwide. Among the many phytohormones that regulate nodulation, indole-3-acetic acid is known to improve the nodu…
ISEF · 2021
Plant Sciences
The preservation of plants deteriorating over climate change is critical for organisms that depend on them for sustenance. Within the plants, the stomata — pores specialized by parenchymatic…
ISEF · 2021
Biomedical and Health Sciences
The purpose of this experiment is to determine the extent in which ketone supplements reduce postprandial glucose levels in human test subjects. The researcher hypothesized that if the caffe…
ISEF · 2021
Materials Science
Piezoelectric materials are tremendously useful but tragically limited. The poor structural properties, expense, and inaccessibility of custom piezoelectric materials have limited their util…
ISEF · 2021
Physics and Astronomy
Bikes are one of the most efficient forms of transportation. One main thing that deters people from this simple form of transportation, is the difficulty of riding up hills and distances. Th…
ISEF · 2021
Animal Sciences
This experiment was conducted to see the effects of a low level of intensity from pulsed electro-magnetic fields on bovine semen samples’ could increase longevity. There were three trials pe…
ISEF · 2021
Biomedical Engineering
Bio-bots are biohybrid machines powered by bioactuators composed of tissue-engineered mammalian cells. These systems which exceed the standard limitations of programmed machines promise appe…
ISEF · 2021
Behavioral and Social Sciences
Our results demonstrate that there is a connection between optimism and sleep in teenagers. Interestingly, the number of total minutes of average sleep per night was not strongly correlated…
ISEF · 2021
Behavioral and Social Sciences
The purpose of this project was to examine the effects that social conformity has on an individual’s decision-making skills. There were two separate groups in this experiment. The first grou…
ISEF · 2021
Translational Medical Science
This research study addresses the issue of vaccine hesitancy in adolescents. The research questions of this study include: To what extent does an adolescent’s experience with COVID-19 influe…
ISEF · 2021
Animal Sciences
There is a need for a cost-effective, safe, and accessible treatment for lupus. At least five million people around the world suffer from this disease. Systemic lupus erythematosus is a chro…
ISEF · 2021
Plant Sciences
In this experiment my goal was to see how the development of Phaseolus vulgaris seeds would be affected by disinfecting them prior to germination with vinegar, lemon juice, aloe vera juice,…
ISEF · 2021
Engineering Mechanics
This project is centered around the engineering and construction of a large-capacity Computer Numerically Controlled (CNC) router. CNC routers are computer-controlled machines that utilize t…
ISEF · 2021
Earth and Environmental Sciences
Fire-retardant slurries have become a popular method for extinguishing fire, particularly when man-made structures are at risk. However, the chemicals within fire-retardant slurries are know…
ISEF · 2021
Biomedical Engineering
Twenty million Americans who suffer from cardiovascular events use anticoagulation therapy. With two million new annual users of Warfarin, accessibility to INR monitoring machines has become…
ISEF · 2021
Physics and Astronomy First Award
Asteroid collisions pose a significant danger to Earth. For instance, the Chelyabinsk meteor of 2013 led to ~1500 injuries. NASA’s goal was to find 90% of city-annihilating asteroids larger…
ISEF · 2021
Chemistry
The inner bark of the Chinese cinnamon tree Cinnamomum cassia is commonly processed into cinnamon sticks. The chemical compound that gives cinnamon sticks their flavor and odor is (2E)-3-phe…
ISEF · 2021
Biomedical Engineering
In the United States, amputations have been occuring at a rate 185,000 amputations per year, and this high rate adds to the current 2,000,000 amputees needing prosthetics. To provide a sense…
ISEF · 2021
Computational Biology and Bioinformatics
Aging is traditionally thought to be caused by complex and interacting factors such as DNA methylation. The traditional formula of DNA methylation aging is based on linear models and few wor…
ISEF · 2021
Earth and Environmental Sciences Fourth Award
Lake Erie has always experienced Harmful Algal Blooms, but the worst recorded was in 2011. The intensity of the HAB reached over 3x that of any other season. Many economic and ecological ser…
ISEF · 2021
Earth and Environmental Sciences
Upper ocean heat content (OHC) in advance of a hurricane is generally superior to pre-storm sea surface temperature (SST) for indicating favorable regions for hurricane intensification and m…
ISEF · 2021
Biomedical and Health Sciences Third Award
Alzheimer’s Disease (AD) is a neurodegenerative disorder with no current effective therapies. Synaptojanin 1 (synj1) is a novel target as lowering its expression can be beneficial for AD. Ni…
ISEF · 2021
Animal Sciences
While it is well known that wildlife is affected by humans due to pollution, the mere presence of humans in close proximity to wildlife can also have an impact. Previous research has found t…
ISEF · 2021
Animal Sciences
The Loggerhead sea turtle (Caretta Caretta) is a species of sea turtle that, much like other turtles, is classified as endangered. It is the primary turtle that comes onto the beaches of Tyb…
ISEF · 2021
Behavioral and Social Sciences
The Covid-19 pandemic has drastically changed everyday life by adding immense amounts of stress to the lives of most. Extreme levels of stress are known to lead to mental issues and, in some…
ISEF · 2021
Cellular and Molecular Biology
Alzheimer's disease (AD) is a progressive neurodegenerative disease that causes severe memory loss and neurodegeneration in humans. Two hallmarks of AD are amyloid-beta and tau proteins both…