Impending fatherhood can lower two hormones—testosterone and estradiol—for men, even before their babies are born, a new University of Michigan study found.

Snow forms when the atmospheric temperature is at or below freezing, 0/32 degrees C/F. There also needs to be a certain amount of moisture in the air for it to snow.

For centuries, music notation was an inexact technique and hasty transcriptions may have resulted in this symbol

Reminder to tiger beetles: If you chase prey at high speeds, you'll go blind. Entomologists have long noticed that tiger beetles stop-and-go in their pursuit of prey. But until now, scientists have had no idea why this type of beetle attacks its food in fits…

Mohammad Reza Pahlavi (26 October 1919 – 27 July 1980) was the Shah of Iran from 1941 to 1979. He succeeded his father Reza Shah and ruled the Imperial State of Iran until he was overthrown by the 1979 revolution led by Imam Khomeini, which abolished the…

In the world of film and animation music, “Mickey Mousing” is the affectionate (and occasionally derogatory) nickname given to a technique whereby the music and the action on the screen…

When an automobile (that runs on four or more wheels) takes a turn, the wheels on the outside (during the turn) must travel a slightly greater distance than the wheels on the inside.

Waggoner Ranch is a ranch in Texas that went up for sale in August 2014 for an asking price of $725 million and sold for an undisclosed amount.

They sound silly now, but there are reasons it took so long for scientists to figure out where babies come from.

Posted in r/todayilearned by u/Prof_Hershel_Layton • 166 points and 21 comments

Duke Nukem Forever

McDonald's just can't help itself from giving questionable advice to its employees. CNBC reports that on its employee resource website, McDonald's offered an Emily Post guide to tipping during the...

While he is famous to us for his mathematical theorems, in antiquity Pythagoras was renowned for the philosophical-religious sect that he founded.

In the liner notes to their 1984 debut album Welcome to the Pleasuredome, Frankie Goes to Hollywood bassist Mark O'Toole writes of the band’s hit “Relax,” “[W]hen it first came out we used to pretend it was about motivation, and really it was about shagging.”…

These stars have said they're skeptical about flying the friendly skies

In the United States, a red flag law is a gun control law that permits various police, family members, coworkers, and others to petition a state court to order the temporary removal of firearms from a person who they believe may present a danger to others…

Science has confirmed having a second stomach for dessert is an actual thing. According to professor Russell Keast, director of the Centre for Advanced Sensory Science at Deakin University, it’s called ‘sensory-specific satiety’ and it’s the reason we always…

The first thing to notice on this evogram is that hippos are the closest living relatives of whales, but they are not the ancestors of whales. In fact, none of the individual animals on the evogram is the direct ancestor of any other, as far as we know. That's…

1986 building collapse caused by a calculation error which killed 33 people in Singapore