Silent Spring, Rachel Carson’s landmark warning about the indiscriminate use of pesticides, turns 50 this month. By extension, that puts the environmental movement also at the half-century mark—along ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Khadija Khartit is a strategy, investment, ...

Feb. 6, 2026 Inspired by the shape-shifting skin of octopuses, Penn State researchers developed a smart hydrogel that can change appearance, texture, and shape on command. The material is programmed ...