An elementary math problem has divided the internet after an easy-looking equation turned out to be anything but simple. Many X users were stumped by the problem 16 ÷ 4 X 4 - 4, posted by ...

After a 12-day crossing, and a hard slog through sea ice, the field work on this Antarctic expedition is ready to start. By Raymond Zhong Democrats demanded information from seven top U.S. oil ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

Abstract: This paper focuses on addressing transportation issues within the retail supply chain, considering complex constraints such as continuous pick-up and delivery, vehicle capacity limitations, ...