Research on statistical arbitrage in U.S. equities (1997–2007) shows that PCA-based strategies achieved average annual Sharpe ...

Animals of all kinds mix and mingle in the underground refuges, offering troubling opportunities for diseases to jump species ...

Woolly monkeys have long, strong prehensile tails with a thick pad on the end that helps these arboreal animals grip branches. It also helps them be balanced, stable climbers. Woolly monkeys spend ...

Florida’s quirkiest roadside gems—from mermaids and monkeys to mystery hills and citrus towers—await your next road trip!