Some fresh bookmarks from delicious.com

• Why Chinese Is So Damn Hard – Whatever the reason they started, every single person who has undertaken to study Chinese sooner or later asks themselves "Why in the world am I doing this?" Those who can still remember their original goals will wisely abandon the attempt then and there, since nothing could be worth all that tedious struggle.
• The Radioactive Clock In Your Teeth – How bomb testing in the 1950s is helping scientists determine a person's age.
• NY Times: Diet and Exercise to the Extremes – The ultramarathoner Scott Jurek needs 5,000 to 8,000 calories a day to fuel his running regimen, and he gets them without consuming any animal products.
• Tom Wujec: Build a tower, build a team | Video on TED.com – Some research into the "marshmallow problem" , where teams try to build the tallest tower out of dry spaghetti, one yard of tape and a marshmallow. Which kind of team will win, and why?
• Lies, damned lies and statistics (about TEDTalks) – Using statistical analysis on TEDTalks to come up with a metric for creating "the optimum TEDTalk" based on user ratings.