U.S. taxable investment-grade bonds advanced 1.10% in the fourth quarter of 2025, as measured by the Bloomberg U.S. Aggregate Bond Index. This result capped a year of elevated volatility, yet one in ...

Apr. 22, 2026 A newly discovered virus hiding inside a common gut bacterium could help explain one of medicine’s long-standing mysteries: why a microbe found in both healthy people and cancer patients ...

Identification of each animal in a collective becomes possible even when individuals are never all visible simultaneously, enabling faster and more accurate analysis of collective behavior.