The political turmoil in Egypt accounted for 57 percent of news links shared by bloggers during the week of Jan. 31-Feb. 4, while TechCrunch’s account of the hacking of online dating site Plentyoffish was the most-Tweeted news link, and the most-watched news and politics video on YouTube was surveillance footage of a drug catapult used near the U.S.-Mexico border, according to the Pew Research Center’s Project for Excellence in Journalism’s New Media Index.

Egypt was trailed in the blogosphere by: Groundhog Day, at 12 percent, including an AP video of Punxsutawney Phil; Dana Milbank‘s pledge in The Washington Post to not mention Sarah Palin for the entire month of February, at 7 percent; a report from the BBC on a drone flown by militant Lebanese group Hezbollah over Israel, at 5 percent; and Washington Redskins owner Dan Snyder‘s threat to considering legal action against the Washington City Paper for writing a critical story about him, at 4 percent.

The Plentyoffish hacking tale accounted for 23 percent of Tweeted news links, and it was followed by: the death of composer John Barry, at 16 percent; Facebook, at 11 percent; a BBC item about plans to overhaul England’s National Health Service, at 6 percent; and a Florida federal judge’s ruling that the new health care reform law was unconstitutional, at 5 percent.

The drug catapult was followed on the list of most-viewed news and politics videos on YouTube by: eyewitness footage from the Jan. 24 bombing at the Moscow airport; Russia Today footage of a confrontation between Egyptian protestors and police; video from high above the protests in Egypt Jan. 28; and an off-air video of British sports announcers making sexist remarks.