The G-spot concept originates from research in the 1950s focusing on the urethral area.
Ernst Gräfenberg’s early work linked front vaginal wall/urethral tissue to female sexual response.
Almost all frogs fertilize the eggs outside of the female's body. The male holds the female around the waist in a mating hug called amplexus. He fertilizes the eggs as the female lays them.
Maple trees should be at least 30+ years old before they are tapped and a 40-year-old sugar maple tree will produce about 10 gallons of sap per season.
Sexual Activity is Associated with Changes in Inflammatory Biomarkers. In older adults (average age ~66), research shows more frequent sexual activity relates to lower levels of inflammation biomarkers such as C‑reactive protein (CRP) and fibrinogen.