Dec. 15, 2025 Natural killer cells act as the immune system’s rapid-response team, but the stress of anxiety and insomnia may be quietly thinning their ranks. A study of young women in Saudi Arabia ...

The visual system is the part of the central nervous system that is required for visual perception – receiving, processing and interpreting visual information to build a representation of the visual ...

This is the llnl-hires-timers library, a library to support platform-specific high-resolution timers by a platform-independent c function-call: get_time_ns(). At compile time the best available timer ...

This is an Online Exam System with Timer using PHP/PDO. This system helps a certain school to provides their students an online exam platform. The system has 2 types of users which are the Admin and ...

Abstract: The 8-bit timer is a general-purpose counter module, it includes a bidirectional counter, an interruption generation block, input pulse and external clock count modes, provides PWM (Pulse ...

Depending on the manufacturer, the standard 555 timer package includes 25 transistors, 2 diodes, and 15 resistors on a silicon chip installed in an 8-pin mini dual-in-line package (DIP-8). Variants ...

Are you worried about online privacy? Not a fan of anticompetitive practices? Maybe you just want a new take on web search? These 12 search engines beat Google in many ways.

The skin is the body's largest organ and helps protect internal organs from harm. Hair helps protect the skin, regulates body temperature, and is part of the body's sensory system. Sweat glands help ...

The biliary system makes, stores, and moves bile to help digest fats. Gallstones can block the bile ducts and cause problems in the biliary system. Tests like liver function tests and imaging scans ...