WTF Fun Fact – Sweaty T-shirt Test

WTF Fun Fact - Sweaty T-shirt Test

Researchers conducted sweaty t-shirt tests to see if smell impacted the choice of a mate. Men wore t-shirts for two days and then women were tested on which smell they liked. Women preferred the smell of men who were genetically similar but had different immune systems. Inheriting different immune systems would give offspring a survival advantage. – WTF Fun Facts

Source: Evolution: Library: Sweaty T-Shirts and Human Mate Choice (pbs.org)

WTF Fun Fact – Artificial Strawberry Flavor Chemicals

WTF Fun Fact - Artificial Strawberry Flavor Chemicals

The “artificial strawberry flavor” in a McDonald’s milkshake is made up of ~45 chemicals including: amyl acetate, amyl butyrate, amyl valerate, anethol, anisyl formate, benzyl acetate, benzyl isobutyrate, butyric acid, cinnamyl isobutyrate, cinnamyl valerate, cognac essential oil, diacetyl, dipropyl ketone, ethyl butyrate, ethyl cinnamate, and more. – WTF Fun Facts

Source: The 59 ingredients in a fast-food strawberry milkshake | Food | The Guardian

WTF Fun Fact – Next-In-Line Effect

WTF Fun Fact - Next-In-Line Effect

The next-in-line effect is the phenomenon of people being unable to recall information concerning events immediately preceding their turn to perform. It may explain why people often forget names of people right after being introduced. – WTF Fun Facts

Source: https://en.wikipedia.org/wiki/Next-in-line_effect