By now you're probably pretty familiar with those ultra explicit texts hacked off Olivia Munn's phone, which mostly involves superimposing text and arrows over an erotic self-portrait, to create illustrated sex instructions to her then lover boy Chris Pine.

An economics study says that women who had better access to birth control pills in the 1970s actually earned 8% more than those who didn’t by the time they reached age 50. More from the NY Times:

“The trio of researchers from the Universities of Michigan and Virginia found in a study from last December that women aged 18 to 21 who lived in states with better legal access to oral contraceptives in 1970 had hourly wages that were 8 percent higher than peers in less pill-friendly states by the time they reached their late forties….”

By now you're probably pretty familiar with those ultra explicit texts hacked off Olivia Munn's phone, which mostly involves superimposing text and arrows over an erotic self-portrait, to create illustrated sex instructions to her then lover boy Chris Pine.

Did you know that China has more self-made female billionaires than any other country in the world? That's what "Tiger Mom" Amy Chua is saying in this recent Newsweek article which profiles four Chinese lady tycoons. She writes:

An economics study says that women who had better access to birth control pills in the 1970s actually earned 8% more than those who didn’t by the time they reached age 50. More from the NY Times:

“The trio of researchers from the Universities of Michigan and Virginia found in a study from last December that women aged 18 to 21 who lived in states with better legal access to oral contraceptives in 1970 had hourly wages that were 8 percent higher than peers in less pill-friendly states by the time they reached their late forties….”

Spider silk is known to be extremely strong. And so a Japanese researcher used thousands of strands of spider silk to create a set of violin strings. And the impressive part is that they actually sound incredible compared to the normal violin strings.

Redheads, apparently have a higher threshold of pain compared to the rest of us. They can also apparently handle spicier food as well. Researchers say that they are less sensitive to stinging pain in the skin.

To coincide with National Condom Week, Planned Parenthood last week launched a new campaign that invites raunchy couples to “check in” after having sex while using a condom. This new initiative is a creative link between sex and social media that serves to encourage people to use protection while they're getting busy.

The pop megastar will be teaming up with the media mogul to officially launch the Born This Way Foundation at Harvard University on Wednesday at 4 p.m. ET. You can watch the launch live in the above video.

How did measuring a year came about and why does February 29 only come once every four years? Minute Phsyics knows the answers and they have it all in their latest video.

The video is an explanation of a year and how long it takes for one physical body to orbit another. Educational. Even for an adult like me! Hit past the jump to watch the video.