Harmful Effects Found in a Common Household Additive

By Anna Tarasova‘19 Triclosan (TCS) is an antimicrobial chemical frequently used in household products, including toothpastes, soaps, and toys. Because it is so common, the overwhelming majority of the population comes into contact with it almost every day. The National Health and Nutrition Examination Survey found TCS in approximately 75% of urine samples of individuals…

Determining the History of the Earth’s Orbit

By Anna Tarasova‘19 Milankovitch cycles are an established part of geological theory that describes the long-term effects of changes in the movements of the Earth on its climate. Specifically, these cycles describe the relative positions of planetary bodies and the resulting exposure of the Earth to sunlight. However, Milankovitch cycles are only reliable in describing…

Figure 1: Stairs are frequently a major obstacle for individuals with neuromuscular conditions.

Researchers Develop Low-Power Assistive Stairs

By Anna Tarasova ’19 Many elderly and mobility-impaired individuals are unable or tend to be unwilling to use stairs. While assistive technologies exist, they are frequently costly and unsustainable. The principle of energy recycling has been previously applied to walking assistance mechanisms that take advantage of the continuous braking and propelling of the legs. However,…