An international team of researchers shows through a concrete theoretical experiment that the prediction by standard complex quantum theory cannot be expressed by its real counterpart and ratifies its ...

Learn how to convert between rectangular and polar equations. A rectangular equation is an equation having the variables x and y which can be graphed in the rectangular cartesian plane. A polar ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Income-tax draft rules 2026: The draft document for the updated Income Tax rules 2026, set to come into effect from April 1 this year state changed numbers for Form 16 (TDS on salary) and Form 26AS ...

New Delhi: India will implement the Income Tax Act, 2025 from April 1, 2026. Draft Rules 2026 aim to simplify tax filing and documentation. Tax rates remain unchanged. Many documents used by salaried ...

Could early February's blast of cold in the northeastern United States be one of the last appearances of our wintertime foe, the polar vortex? While forecasters can't yet say that for sure, a warmer ...

Form 4547, which allows taxpayers to elect the new Trump accounts, was clearly numbered with purpose. But when it comes to 1040s, W-2s, 1099s, and other familiar forms, the explanation is far less ...

Scientists have reported some rare good news from the Arctic. As the climate changes and the ice melts, in one region at least, polar bears are thriving — finding new ways to survive, and even packing ...

Seals favored by Svalbard bears are becoming easier to hunt as ice declines, a study found. But researchers say the situation may be temporary. By Eric Niiler The population of polar bears in Norway’s ...

Watch: The BBC's Victoria Gill looks at why are these Norwegian polar bears getting fatter Scientists expected the opposite, but polar bears in the Norwegian Arctic archipelago of Svalbard have become ...