Eduardo Saverin, who left the company after two years, is assessing how best to manage the extraordinary wealth that will come his way in Facebook’s initial public offering.

Eduardo Saverin, who left the company after two years, is assessing how best to manage the extraordinary wealth that will come his way in Facebook’s initial public offering.

Despite overwhelming interest in its I.P.O., Facebook is facing concerns over its ability to attract enough advertising revenue.

Despite overwhelming interest in its I.P.O., Facebook is facing concerns over its ability to attract enough advertising revenue.

Despite overwhelming interest in its I.P.O., Facebook is facing concerns over its ability to attract enough advertising revenue.

Despite overwhelming interest in its I.P.O., Facebook is facing concerns over its ability to attract enough advertising revenue.

Researchers are reporting that a woman who is completely paralyzed has used a robotic arm controlled with nothing but her thoughts. Scott Pelley reports on a triumph in neurobiology and computer science.

Using the Braingate neural interface system, a paralyzed woman was able to use her thoughts to control a robotic arm, and serve herself coffee for the first time since she became paralyzed nearly 15 years ago.

Cathy Hutchinson, who “60 Minutes” profiled in 2008, can drink cup of coffee using the arm and sensor array controlled by her thoughts

Ancient creatures resembling stout-necked Loch Ness Monsters apparently developed arthritis in their monster jaws