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 4891–4920
ISEF · 2021
Translational Medical Science
Stress is a growing issue in society, and results in the excretion of the stress hormone, cortisol. Cannabidiol (CBD) is anecdotally suggested to reduce stress; yet very little scientific re…
ISEF · 2021
Biochemistry
In spin column-based plasmid DNA extraction, the chaotropicity of a buffer which most effectively adsorbs plasmid DNA to a silica surface with optimal elution concentration has yet to be det…
ISEF · 2021
Animal Sciences
Cortisol is a hormone released in response to acute stress that regulates blood pressure, controls the circadian rhythm, increases blood sugar, and controls many other processes at basal lev…
ISEF · 2021
Biomedical and Health Sciences
Nutrition has been demonstrated to have a number of effects on development and overall health. As such, we sought to investigate the effects of the consumption of several nutritional supplem…
ISEF · 2021
Plant Sciences
The purpose of this research was to determine if hydroponically or soil-grown lettuce would produce higher levels of antioxidants. Antioxidants are an important substance found in many nutri…
ISEF · 2021
Biomedical and Health Sciences
Antibiotic resistance is one of the world’s most urgent public health problems. Every year in the US, around 2.5 million people get an antibiotic resistance infection, while 35000 people end…
ISEF · 2021
Environmental Engineering
The chemical compound bisphenol-a (BPA, classified as an endocrine-disrupting chemical (EDC) for its ability to mimic the body’s hormones and therefore disrupt the naturally-occurring hormon…
ISEF · 2021
Microbiology Fourth Award
An estimated 1 in 6 Americans is exposed to foodborne illness annually. Previous research observed increased numbers of microbial contaminants present in plastic food packaging for fresh pro…
ISEF · 2021
Energy: Sustainable Materials and Design Third Award
Finding new and more efficient forms of clean energy is necessary for humanity to survive the coming centuries, and although current methods of nuclear fusion are promising, they also produc…
ISEF · 2021
Robotics and Intelligent Machines
In this project, classification of music genres with deep neural networks is explored. A Convolutional Neural Network (CNN) was trained to identify 10 different music genres. Using the GTZAN…
ISEF · 2021
Biomedical and Health Sciences
Causal relationships have been established between blood-brain barrier (BBB) & inner blood-retina barrier (iBRB) dysfunction and many age-related CNS disorders. However, mechanisms governing…
ISEF · 2021
Biomedical Engineering
We propose a novel approach to detect arrhythmias in Phonocardiograms (PCGs). Typically, many arrhythmia conditions are unknown until a patient is suggested an ECG/EKG test. This method, des…
ISEF · 2021
Systems Software Third Award
While computers play an increasingly important role in every aspect of our lives, their inability to understand what tasks users are physically performing makes a wide range of applications,…
ISEF · 2021
Biomedical Engineering
Patients often need use of their arms to assist with functional activities, but after bone disruption, pushing is often limited to <10 lb (4.5 kg). Currently, no method exists to measure upp…
ISEF · 2021
Plant Sciences
The purpose of this project was to modify the Brewbaker and Kwack (BK) pollen tube culture medium for the Cucurbita pepo species. A modified BK medium would allow for in vitro instead of in…
ISEF · 2021
Engineering Mechanics
Full-size rockets often employ carbon-based engines that release hundreds of metric tons of greenhouse gases, in addition to large amounts of toxins including nitrogen oxides, soot, and alum…
ISEF · 2021
Materials Science
Regularly used petroleum based plastics are the cause of many prevalent and urgent environmental issues, two of which being global warming and plastic pollution. Bioplastics, recognized by F…
ISEF · 2021
Engineering Mechanics
As school shootings have almost doubled in the past decade, student safety is essential. While many schools have adopted expensive camera based security systems, this project seeks to provid…
ISEF · 2021
Robotics and Intelligent Machines Third Award
Over 1.7 million people in the United States alone are currently living with limb loss. Estimates show that 185,000 amputations are performed each year, with that number expected to double i…
ISEF · 2021
Energy: Sustainable Materials and Design First Award
In this project, I successfully studied the relationship between multi-enzyme biocatalyst structure and performance and developed a comprehensive quantitative model to predict the assembly e…
ISEF · 2021
Systems Software Fourth Award
Many corporations lack the software and knowledge for advanced inventory optimization and management, so suffer stockouts, bloated inventory, and inefficient ordering policy. Material Requir…
ISEF · 2021
Systems Software
Genetic algorithms (GAs) are an optimization technique inspired by natural selection. GAs have yielded good results in certain practical problems, yet there is still more to be understood ab…
ISEF · 2021
Earth and Environmental Sciences
Irregular surface area, such as lake area, is hard to calculate using definite integrals and is traditionally calculated by using graph paper with small squares. Utilizing the Monte Carlo me…
ISEF · 2021
Cellular and Molecular Biology
Cancer cells are formed when mitosis, the asexual reproduction of cells, becomes uncontrollable and cells can no longer send or receive signals concerning their own growth. The purpose of th…
ISEF · 2021
Earth and Environmental Sciences
I was watching the news one day and heard about a little boy who died due to swallowing a button cell battery. I thought how could a battery that seems coated and protected kill anyone? The…
ISEF · 2021
Chemistry
This project in its present form is the result of extensive research about the effects of using plastic water bottles and using spherification to hold in water. The initial idea was to find…
ISEF · 2021
Cellular and Molecular Biology
Biofuels currently are produced through the fermentation of agricultural products. However, due to the growing issue of world hunger an alternative biofuel material was research. With refere…
ISEF · 2021
Biomedical and Health Sciences
Women are more prone to disorders such as PTSD and depression. Yet, most preclinical psychopathological research solely uses male subjects, and there is a paucity of sex-specific studies. Th…
ISEF · 2021
Microbiology
This research addresses the potential antibacterial effects of cinnamaldehyde against Escherichia coli when used as a produce wash for leafy greens. E. coli is a common food-borne pathogen i…
ISEF · 2021
Behavioral and Social Sciences
The COVID-19 pandemic forced schools to transition from in-person teaching to remote teaching. While the effects of online learning on accrual of knowledge and long-term retention of concept…