369 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.
369 projects · showing 241–270
ISEF · 2018
Materials Science
According to Food and Agriculture Organization of the United Nations (FAO, 2017), one of the worldwide biggest worries is the drought caused by climate change. This situation is causing a de…
ISEF · 2018
Plant Sciences
Kumar, Khurana, and Sharma, (2014) indicate that plant hormones have been extensively studied for their roles in the regulation of various aspects of plant development. However, new insights…
ISEF · 2018
Earth and Environmental Sciences
Fish is an essential and traditional element in the diet of many people in the Caribbean (Ricketts, 2016). However, some species have high concentration of Mercury (Hg), representing an incr…
ISEF · 2018
Computational Biology and Bioinformatics
Ischemic strokes, caused by limited blood flow to the brain due to clotted arteries, account for 88% of all strokes, and are one of the leading causes of death worldwide. Although a cure has…
ISEF · 2018
Plant Sciences
Nowadays, Puerto Rico and other countries have experienced outbreaks of various diseases due to the Aedes aegypti mosquito. There has been a significant increase of this organism population,…
ISEF · 2018
Microbiology
According to the United States Department of Agriculture (U.S.D.A.) Microbial Standard for a high-quality grade A Pasteurized Product, a total colony count does not exceed 20,000 c/ml. Durin…
ISEF · 2018
Animal Sciences
Acheta domesticus is better known as the “common cricket” which is an orthoptera insect. High concentrations of Acheta domesticus can cause damage in crops. The purpose of this study was to…
ISEF · 2018
Mathematics
This project aimed to build a computer program that contains an interactive underwater ROV (Remotely Operated Underwater Vehicle) build and test simulator. Its purpose was to engage people w…
ISEF · 2018
Embedded Systems
Blindness is the third most common disability in the world, around 36 million people are blind (Vos T et al, 2016). Visually impaired population ranges from total blindness to 20/200 visual…
ISEF · 2018
Biomedical and Health Sciences
The purpose of this project is to test the effect of natural compounds extracted from seaweed and grains, in decreasing lung cancer cells viability. Lewis Lung Carcinoma cells were cultured…
ISEF · 2017
Mathematics
The problem of points is a historical problem confronted by many mathematicians throughout history. It presents an interrupted series of games and asks the question of how the probabilities…
ISEF · 2017
Materials Science
The fast detection of toxic gases traces in an inadequately ventilated environment is crucial to effectively reduce any widespread loss of life and property. This requires sensors capable of…
ISEF · 2017
Biochemistry
The enhancement of enzymatic catalysis for adequate digestion of accumulated proteins in the stomach is necessary for the prevention of dyspepsia, renal insufficiency, and further complicati…
ISEF · 2017
Mathematics
The method exposes an approximation of the zeros of any differentiable function. The functions in which the method is fulfilled are the logarithmic, exponential, algebraic, and trigonometric…
ISEF · 2017
Chemistry
Nanoparticles are quickly emerging as an area of intense scientific research due to their various applications. Although there are already methods for the synthesis of nanoparticles, the det…
ISEF · 2017
Microbiology
Most nasopharyngeal infections are caused by strains of Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. These bacteria are becoming increasingly resistant to pharmaceuti…
ISEF · 2017
Embedded Systems
This project consisted in developing an accurate and reliable clap detecting system, using a Raspberry Pi, which read an input – the clapping – and transformed it into a visual of LEDs. The…
ISEF · 2017
Plant Sciences
This investigation tried to determine if the organic infusion of the plants Azadirachta índica, Cnidoscolus aconitifolius, Moringa oleífera and Mentha spicata, is effective to eradicate the…
ISEF · 2017
Earth and Environmental Sciences
Some species such as oysters can change their vital functions and/or their genetic composition, becoming bioindicators, when there are alterations in their environment. The hypothesis is: if…
ISEF · 2017
Cellular and Molecular Biology
Some crops have been genetically modified to obtain desired traits; such as pesticide-producing or drought resistant. There has been a debate on whether Genetically Modified Organisms (GMOs)…
ISEF · 2017
Plant Sciences
The topic of this investigation is "Effects of the Hartmann Lines in the Cultivation of Phaseolus vulgaris ". The problem in question was, "What effects do the Hartmann lines cause in the cu…
ISEF · 2017
Energy: Chemical
There is concern with respect to cars as producing environment contamination. This has led to the creation of hybrid cars also known as "sustainable cars". Is it possible to use the electroc…
ISEF · 2017
Materials Science
Carbon Nanospheres (CNS) are important for electronic, environmental and medical applications. Modern gas sensors utilize harmful materials. This investigation's objective was to fabricate a…
ISEF · 2017
Environmental Engineering Fourth Award
Industrialization and urban stressors have accelerated the increasing levels of the most dangerous contaminants in our water bodies, heavy metals, because of their non-biodegradability, thei…
ISEF · 2017
Cellular and Molecular Biology
The post-transcriptional regulation controls RNA gene expression. This occurs between the process of transcription and translation of the gene. For this, it’s important to know the structure…
ISEF · 2017
Earth and Environmental Sciences
Puerto Rico is the smallest island of the Mayor Antilles located in the Caribbean Sea. Puerto Rico and the Virgin Islands are part of a volcanic island platform (Morelock, 2001). The purpose…
ISEF · 2017
Engineering Mechanics
The following scientific research seeks to determine through computational analysis and experimental tests; which is the best angle of attack to achieve greater stability of a truck of an in…
ISEF · 2017
Engineering Mechanics
This experiment has the purpose to create a system of air recirculation using solar energy that allows high temperatures of a vehicle to decrease when parked under the sun. Once the person t…
ISEF · 2017
Computational Biology and Bioinformatics
Studying the effects of seizures in the brain is necessary to better understand and treat epilepsy. With the use of an electroencephalogram (EEG), researchers and health professionals can re…
ISEF · 2017
Environmental Engineering
It has been reported that, unless new deposits are discovered, the world’s phosphorus reserves will be depleted in 40 to 400 years. Nutrient over-enrichment primarily by phosphorous in storm…