A look at this week's "Hotlist" on website discovery and bookmarking service Delicious, recorded on June 24.
1. NASA Announces Results of Epic Space-Time Experiment - NASA Science
After receiving results from its Gravity Probe B, NASA confirms that there is a space-time vortex around Earth and its shape is exactly as Einstein predicted in his theory of gravity.
2. HOW TO: Start Marketing With HootSuite
A how-to guide that shows you how to use social media management tool HootSuite to market your business on multiple social networks.
3. Startup Makes Facebook Likes Searchable
An article about "Likester," a start up that compiles Facebook likes to uncover consumer trends, interesting websites and top "Likes" for a specific location.
4. HOW TO: Set Up a Facebook Page
A post that shows you step by step how to set up a Facebook Page for your business or group.
5. Just How Dangerous Is Sitting All Day?
An infographic that shows that sitting down all day can increase the risk of death by up to 40%, even if you exercise.