Abstract: Chebyshev interpolation polynomials exhibit the exponential approximation property to analytic functions on a cube. Based on the Chebyshev interpolation polynomial approximation, we propose ...

Learning to play a musical instrument can protect your brain from aging, building up a defense against cognitive decline that lasts a lifetime. Researchers from Canada and China discovered older ...

As the Cold War rose as the most critical conflict in the world and the menace of Soviet bombers became increasingly real, the call was sent out for an all-American solution. However, in the race to ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

Inverse exchange-traded funds (ETFs) offer a way for contrarian traders to bet against the expected daily performance of an ...

Scientists are making new discoveries every day, but many of them fall under the radar. Some of these findings are life-changing, while others expand our knowledge of the world around us. Here are ...

Using a VPN, or virtual private network, is one of the best ways to protect your online privacy. We review dozens every year, and these are the best VPNs we've tested. I’ve been writing about ...

As part of our core mission, we supervise and regulate financial institutions in the Second District. Our primary objective is to maintain a safe and competitive U.S. and global banking system. The ...