Androgen insensitivity syndrome in its complete form is a disorder of hormone resistance characterised by a female phenotype in an individual with an XY karyotype and testes producing age-appropriate normal concentrations of androgens. Pathogenesis is the…

Modern lollipops have been around for more than a century but they've changed along the way. Here's the reason for one important facet: hollow sticks.

I recently posted an article discussing how women tend to overestimate the effectiveness of condoms and birth control pills. Even though these contraceptive devices aren’t quite as effective as we might like, they’re certainly far better than what people…

American explorer, guide, fur trapper, and military scout

Hormones from medical treatments wind up in wastewater, and that can be a problem. Some scientists think a version of a household chemical, hydrogen peroxide, could be part of the solution.

bristlecone pine tree in Inyo County, California; oldest known living non-clonal organism

CCSA proudly led the initiative to update Canada’s Low-Risk Alcohol Drinking Guidelines (LRDGs). The project, funded by Health Canada, began in July 2020. The two-and-a-half-year process culminated in the creation of Canada’s Guidance on Alcohol and Health…

The Great Pyramid of Giza is the largest Egyptian pyramid and the tomb of Fourth Dynasty pharaoh Khufu. Built in the early 26th century BC during a period of around 27 years, the pyramid is the oldest of the Seven Wonders of the Ancient World, and the only…

The letter has been sealed off in a glass case for decades

Volunteers who participate in make-believe Mars missions for science's sake are helping paleontologists find real-life dinosaur fossils in Utah.

2021 scorpion invasion in Aswan, Egypt

insecticide sprayer

retail company

Brontosaurus (/ˌbrɒntəˈsɔːrəs/; meaning "thunder lizard" from Greek βροντή, brontē "thunder" and σαῦρος, sauros "lizard") is a genus of gigantic quadruped sauropod dinosaurs. Although the type species, B. excelsus, had long been considered a species of the…

magnetic tape sound recording technology

A more intimate contact with the thoughts pursued by Marcus during the troubling involvements of his reign, though not what would have been historically most valuable, his day-to-day political thoughts, can be acquired by reading the Meditations. To what…

painting by John William Waterhouse

Marquis de Lafayette, in full Marie-Joseph-Paul-Yves-Roch-Gilbert du Motier, marquis de Lafayette, Lafayette also spelled La Fayette, (born September 6, 1757, Chavaniac, France—died May 20, 1834, Paris), French aristocrat who fought in the Continental Army…

Rulon Ellis Gardner (born August 16, 1971) is an American retired Greco-Roman wrestler. He competed at the 2000 and 2004 Olympics and won the gold medal in 2000, defeating Russia's three-time reigning Olympic gold medalist Aleksandr Karelin in the final.…

1962 outbreak of mass hysteria

A bipartisan congressional report calls for the DoD to get more serious about the race to acquire artificial intelligence.