Stochastic volatility is the unpredictable nature of asset price volatility over time. It's a flexible alternative to the Black Scholes' constant volatility assumption.

Random lasers can be made simply by grinding a laser crystal and optically pumping the resulting powder. The physics behind the resulting laser emission is rich but has led to much controversy. New ...

Harvard University offers seven free online data science courses lasting eight to nine weeks with one to two hours of study ...

Variable motorway speed limits have been in place in the United Kingdom on some routes for years now. Despite being controversial in some circles, these have clear benefits for modern motoring, as ...

Inside the cores of ice giant planets, the pressure and temperature are so extreme that the water residing there transitions ...

Want to go to a FIFA World Cup game? Now is your last chance to enter the Random Selection period for tickets.

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...

On Tuesday, Almustapha Saulawa, former director of protocol to ex-Governor Aminu Masari, defected from the ruling All Progressives Congress (APC) to the African Democratic Congress (ADC).In Nigerian ...