The strategic importance of STI is growing in today's society, and countries are competing to achieve excellence in this field.

Next-generation lightweight and flexible perovskite-based solar cells can be readily manufactured using low-temperature processes. Despite their notable performance, environmental and human health concerns regarding the use of lead (Pb) in these devices are driving an intense search for Pb-free alternative materials.

According to knowledge gained from high-school physics, boxes of different weights placed on a slope slide with the same acceleration because the friction coefficient is constant.

Interest in sleep research has increased in recent years. The ERATO 'Ueda Biological Timing Project,' launched in October 2020, involves three sleep-research groups as well as the 'Children Sleep Checkup Project,' which analyzes and proposes guidelines for healthy sleep in children.