Atrazine, a widely used herbicide, has been extensively studied for its endocrine-disrupting effects, most notably in amphibians, where laboratory and field research led by biologist Tyrone Hayes showed that exposure to as low as 0.1 to 2.5 parts per billion (ppb) could alter hormones.

Hartsfield-Jackson Atlanta International Airport is a global aviation juggernaut, handling over 108 million passengers in 2024, making it the world’s busiest airport by passenger traffic and approaching its all-time pre-pandemic high of about 110 million in 2019.

Firefighters and municipal water departments routinely perform hydrant flushing and flow testing to keep fire hydrants operational, protect water quality, and verify adequate fire-flow capacity across a city’s distribution network.

The North American XB-70 Valkyrie was an experimental U.S. supersonic bomber developed in the 1950s–60s as a Mach-3, high-altitude strategic aircraft, featuring an advanced stainless-steel and titanium honeycomb structure designed to withstand sustained skin temperatures above 300 °C.

CIPP pipe relining, or cured-in-place pipe technology, is a trenchless rehabilitation method in which a flexible resin-saturated liner—usually made of polyester, fiberglass, or felt—is inverted or pulled through a damaged pipeline and then cured with steam, hot water, or ultraviolet light.

The Mandelbulb is a three-dimensional fractal created as a volumetric version of the two-dimensional Mandelbrot set, generated by repeatedly transforming each point in space using spherical coordinate math and raising it to a chosen power.

The pools of Egypt’s Siwa Oasis—most famously Cleopatra’s Pool (Ain Juba) and the bubbling salt pools scattered across the Great Sand Sea depression—owe their existence to the region’s unique hydrogeology, where deep artesian aquifers push mineral-rich groundwater to the surface.

The Anti-Defamation League (ADL) is a U.S.-based civil-rights and Jewish-advocacy organization founded in 1913 in response to a climate of antisemitic violence and media demonization — particularly the trial and lynching of Leo Frank.

In Hong Kong, “coffin homes” (also known as bed-space or cage homes) are tiny subdivided units—sometimes as small as 15–18 square feet—just large enough to fit a bunk or a bed, often in windowless partitions within older apartment blocks.

George Orwell’s 1984 is a dystopian examination of how totalitarian systems can distort truth, erase individuality, and control society through pervasive surveillance, manipulation of language, and the rewriting of history.

The Wailing Wall, more commonly known as the Western Wall, is the last remaining retaining wall of the Second Jewish Temple’s expansion under King Herod, completed around 20 BCE, making it one of the most sacred sites in Judaism.

Charlie Kirk was a highly influential American conservative activist, author, and media personality who co-founded Turning Point USA (TPUSA) in 2012 at the age of 18, with a mission to mobilize young people around free-market economics, limited government, and conservative values.

Larry Ellison, co-founder, executive chairman, and CTO of Oracle Corporation, has become one of the richest people in the world—with a net worth that surged to around $390 billion in 2025, largely tied to his ~40% stake in Oracle.