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The Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the quantum excitation...

The North American F-86 Sabre, sometimes called the Sabrejet, is a transonic jet fighter aircraft. Produced by North American Aviation, the Sabre is best...

Nursing is a profession within the healthcare sector focused on the care of individuals, families, and communities so they may attain, maintain, or recover...

Human papillomavirus infection (HPV infection) is caused by a DNA virus from the Papillomaviridae family. Many HPV infections cause no symptoms and 90%...

Software testing is the act of checking whether software satisfies expectations. Software testing can provide objective, independent information about...

Occupational safety and health (OSH) or occupational health and safety (OHS) is a multidisciplinary field concerned with the safety, health, and welfare...

The technological singularity—or simply the singularity—is a hypothetical future point in time at which technological growth becomes uncontrollable and...

Summer is the hottest and brightest of the four temperate seasons, occurring after spring and before autumn. At or centred on the summer solstice, daylight...

Ergonomics, also known as human factors or human factors engineering (HFE), is the application of psychological and physiological principles to the engineering...

The Cessna 172 Skyhawk is an American four-seat, single-engine, high wing, fixed-wing aircraft made by the Cessna Aircraft Company. First flown in 1955...

The Toyota Crown (Japanese: トヨタ・クラウン, Hepburn: Toyota Kuraun) is an automobile which has been produced by Toyota in Japan since 1955. It is primarily a...

A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, although not necessarily...

Brownian motion is the random motion of particles suspended in a medium (a liquid or a gas). This motion pattern typically consists of random fluctuations...

Red hair, also known as orange hair[citation needed] or ginger hair, is a human hair color found in 1–2% of the world population, appearing with greater...

Urination is the release of urine from the bladder to the outside of the body. Urine is released from the urethra through the penis or vulva in placental...

The harbor (or harbour) seal (Phoca vitulina), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the...

A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise...

The 2001 anthrax attacks, also known as Amerithrax (a combination of "America" and "anthrax", from its FBI case name), occurred in the United States over...

A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially...

In military tactics, close air support (CAS) is defined as aerial warfare actions—often air-to-ground actions such as strafes or airstrikes—by military...