182 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.
182 projects · showing 31–60
ISEF · 2025
Earth and Environmental Sciences
Columnar jointing is a well-known feature of frozen magma flows. World-famous examples include the UNESCO world heritage site, the Giant's Causeway, UK. Columnar jointing can be divided into…
ISEF · 2025
Animal Sciences
Most species of newts in the genus Cynops live in southern China, while two species in Japan. One Japanese species is the Japanese fire-bellied newt (Cynops pyrrhogaster), which is the north…
ISEF · 2025
Animal Sciences
Freshwater mussels of the order Unionoida is a spawning ground for bitterlings and are therefore an important species in freshwater ecosystems. However, they face global extinction threat du…
ISEF · 2025
Robotics and Intelligent Machines
Reliable and timely access to medical supplies is a significant challenge in regions with poor infrastructures and frequent natural disasters. Drones present a promising solution by enabling…
ISEF · 2025
Animal Sciences
Bumblebees are social insects: one queen and many worker bees live in the nest. In the Japanese bumblebee Bombus ignitus, the queen lays fertilized diploid eggs that develop into female work…
ISEF · 2025
Physics and Astronomy
My research interest has expanded from simple harmonic oscillations to include various forms of damped oscillatory systems. Just as the oscillation of a building during an earthquake or a sw…
ISEF · 2024
Computational Biology and Bioinformatics
Missense variants have the potential to result in disease development attributable to protein variants. Current genetic tests evaluate the potential for disease development by querying vario…
ISEF · 2024
Chemistry
The formation or dissolution of CaCO3 in nature, influenced by carbonate equilibrium, is impacted by rising atmospheric carbon dioxide levels. The Liesegang phenomenon, a self-organization p…
ISEF · 2024
Physics and Astronomy
An understanding of dimensional transfer will broaden the use of space and may help us address problems related to the limited global environment. Therefore, to elucidate the m-dimensional w…
ISEF · 2024
Robotics and Intelligent Machines
This study focuses on the fundamental aspects of LLMs (Large Language Models) such as GPT, Bard, Llama 2, Claude, and more, particularly their inherent biases. These models, some engaging ov…
ISEF · 2024
Physics and Astronomy Fourth Award
Two years ago, the astronomy club of the National Institute of Technology Yonago College devised a method for monitoring Earth’s ozone layer through spectroscopic observations during total l…
ISEF · 2024
Materials Science
Abandoned bamboo forests pose a significant challenge in Japan, which requires the exploration of innovative applications for this eco-friendly resource. My recent research revealed that tre…
ISEF · 2024
Chemistry
I developed a novel photochromic system using methylene blue with ascorbic acid and investigated the optimal photochromic conditions. The photochromic solution is environmentally friendly an…
ISEF · 2024
Chemistry
Artemisinin, a sesquiterpene lactone isolated from a plant, is currently used as a superior antimalarial agent. Because of a recent discovery of artemisinin-resistant parasites, there is an…
ISEF · 2024
Chemistry
Onion, ginger and tea, which are common foods, have antioxidant activity due to polyphenolic compounds such as flavonoids. In this study, I employed 1,1-diphenyl-2-picrylhydrazyl (hereinafte…
ISEF · 2024
Plant Sciences
This study aimed to compare and scientifically verify the growth changes resulting from tread pressure in seven rice varieties: Koshihikari (japonica rice), IR8, Basmati-370 (indica rice), S…
ISEF · 2024
Microbiology Fourth Award
Fossil fuel-derived plastics, including microplastics, cause significant environmental pollution, necessitating sustainable solutions. While biodegradable plastics are key for sustainability…
ISEF · 2024
Animal Sciences
On the coast of Japan, the sea urchins (Heliocidaris crassispina) of the same species gather together, while they are separated from their enemy, or the starfish (Patiria pectinifera). We fo…
ISEF · 2024
Chemistry
When hydrogen is sprayed onto a platinum foil (0.1µm thick), explosive combustion occurs without the use of fire. The reaction principle is postulated to be a surface reaction between hydrog…
ISEF · 2024
Energy: Sustainable Materials and Design
In recent years, the demand for cooling has surged, prompting growing interest in passive radiative cooling (PRC) technology has attracted considerable attention because it does not require…
ISEF · 2024
Engineering Technology: Statics & Dynamics First Award
As the global population continues to increase and natural calamities grow more severe, the pressing issue of inadequate seating in educational institutions poses a significant obstacle to s…
ISEF · 2023
Physics and Astronomy Third Award
Flageolet harmonics is a playing technique on bowed string instruments, in which a player lightly touches a nodal point on a string with their finger. Previous studies have reported that the…
ISEF · 2023
Materials Science
By using a 400-year-old Japanese technique described in ancient books on cosmetics, green lips can be obtained upon the application of an ink base and a red lipstick called beni. This green…
ISEF · 2023
Plant Sciences
In plants, roots typically do not perform photosynthesis because of the division of labor with the leaves and stems. However, it has been reported that Taeniophyllum aphyllum, a plant specie…
ISEF · 2023
Animal Sciences
The tidal snail Cerithidea moerchii living in brackish mud flat in our town (habitat A) was observed frequently climbed up on the reed stem above the water. Snails of this species were also…
ISEF · 2023
Physics and Astronomy Second Award
Ants can climb smooth walls such as glass even if the wall is vertical or overhanging. It is well known that geckos use van der Waals forces between the foot and the wall to adhere to walls.…
ISEF · 2023
Environmental Engineering
SARS-CoV-2 infection is caused by the aerosol dispersion of droplets or droplet nuclei. Therefore, there is a growing need to investigate aerosol particle behaviors to prevent the spread of…
ISEF · 2023
Robotics and Intelligent Machines
Accidents involving visually impaired people while walking are one of the serious social issues (e.g., falling off station platforms and crossing crosswalks without acoustic signals). The ri…
ISEF · 2023
Physics and Astronomy
Saoto-Kikigane: "Trivial sound-listening metal" is a metal plate used by ninjas (Japanese spies in the Edo period (1603–1868) for spying. Ninjas used the Saoto-Kikigane to attenuate high-pit…
ISEF · 2023
Energy: Sustainable Materials and Design
Recently, ammonia (NH3) has been attracting attention as a renewable energy carrier worldwide. The conventional method of producing NH3 requires high temperatures and pressures that cannot b…