› added 12 years ago

183

TIL testosterone increases by 200% when genital skin is exposed to the sun

Read more mensfitness.co.uk

via reddit.com

GAXd7 TIL that Sigmund Freud's first research was looking for the existence of testes in eels
Bx7e TIL multicellular life only has 800 million years left on Earth, at which point, there won’t be enough CO2 in the atmosphere for photosynthesis to occur.
xVYN1 TIL that male fertility is highly correlated with the length between the scrotum and anus aka the taint. And the average size is 2 inches.
OorXe TIL: Over the past 50 years, there has been a decline of 3 billion birds across North America
PY8nJ TIL Dane Cook has Laugh Factory's endurance record of performing for 7 hours straight, beating previous record held by Dave Chappelle by 38 minutes.