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Muslim Girl on shades by ~nerdsane on deviantARTSource: fav.meArt - community of artists and those devoted to art. Digital art, skin art, themes, wallpaper art, traditional art, photography, poetry / prose. Art prints.

Proposition 19 is a California ballot proposition which would legalize various marijuana-related activities.

Proposition 19 is a California ballot proposition which would legalize various marijuana-related activities.

How to hear all about that show that was on last night.

How to hear all about that show that was on last night.

I think its time that Dina and I both step out of the media for a while, and for me that means getting back to what I know best helping people with addiction. Michael Lohan, on his plans to open an rehab center. (via Radar Online)

I think its time that Dina and I both step out of the media for a while, and for me that means getting back to what I know best helping people with addiction. Michael Lohan, on his plans to open an rehab center. (via Radar Online)

FoursquareFoursquare now has more than 3 million users, if the site's public user registration numbers are correct.The 3 millionth member appears to be Brian S. from St. Louis, Missouri, who has yet to check in to any venues via the mobile-based social network.Foursquare's growth has been accelerating rapidly lately. The service hit 2.6 million users on August 2, up from 725,000 in March. The launch of Facebook Places, which many thought would bring about the startup's demise, instead resulted in the biggest day of signups ever, CEO Dennis Crowley recently revealed.Given that Foursquare appears to have a little more than 3.02 million users now, we can determine that it is growing by more than 15,500 users per day (a little less than the 18,000 per day Crowley told the LA Times last week), or nearly half a million users per month.Although already rapid, that rate may very well pick up now that Foursquare has taken over Times Square.[via TechCrunch]For more Mobile coverage:Follow Mashable Mobile on TwitterBecome a Fan on FacebookSubscribe to the Mobile channelDownload our free apps for iPhone and iPad

FoursquareFoursquare now has more than 3 million users, if the site's public user registration numbers are correct.The 3 millionth member appears to be Brian S. from St. Louis, Missouri, who has yet to check in to any venues via the mobile-based social network.Foursquare's growth has been accelerating rapidly lately. The service hit 2.6 million users on August 2, up from 725,000 in March. The launch of Facebook Places, which many thought would bring about the startup's demise, instead resulted in the biggest day of signups ever, CEO Dennis Crowley recently revealed.Given that Foursquare appears to have a little more than 3.02 million users now, we can determine that it is growing by more than 15,500 users per day (a little less than the 18,000 per day Crowley told the LA Times last week), or nearly half a million users per month.Although already rapid, that rate may very well pick up now that Foursquare has taken over Times Square.[via TechCrunch]For more Mobile coverage:Follow Mashable Mobile on TwitterBecome a Fan on FacebookSubscribe to the Mobile channelDownload our free apps for iPhone and iPad

Everything needs to measured: Even things you don't want to touch, smell, look at, think about or even exist on the same physical plane as. Thankfully, that's where Science steps in.

Everything needs to measured: Even things you don't want to touch, smell, look at, think about or even exist on the same physical plane as. Thankfully, that's where Science steps in.

A group of "professional couch potatoes," as one researcher described them, has proven that even moderate exercise -- in this case walking at one's own pace for 40 minutes three times a week -- can enhance the connectivity of important brain circuits, combat declines in brain function associated with aging and increase performance on cognitive tasks.