Earlier this week, we learned of a vulnerability in Facebook's targeted advertising system that could reveal users' sexual orientation to advertisers. It's not just a theoretical concern: A Stanford researcher used targeted ads to determine a user was gay.

Police say a Georgetown University freshman dorm room was doubling as a meth lab.

In this creative video, Legos are part of the real world thanks to forced perspective. Lego benches in city parks! Lego umbrellas in the hands of passerby! It's true - with Legos you can build anything. Video after the jump.

A British electrical engineer, Mike Thomas is selling his bomb shelter that he built during Cold War hysteria, and is asking for £350,000. It can withstand a nuclear blast 80 times the size of the bomb dropped on Hiroshima.

Actor/squatter Randy Quaid and his wife, Evi, are seeking refugee status in Canada. Evi told the CBC, "We feel our lives are in danger," and referenced "murdered" actors Heath Ledger and David Carradine, who were friends with Randy.

Sony has halted production and sales of the good old cassette Walkman in Japan.

A new installation at Berlin's Museum for Contemporary Art, by Carsten Höller, will soon offer vistiors a chance to pay 1,000 euros to eat shrooms and sleep in a "floating hotel room on a platform shaped like a mushroom."

A zen koan: If Taylor Momsen bares her breasts to a crowd but tabloids can't publish the pictures because she's underage, is it really a celebrity scandal? Of course it is! Saturday Gossip Roundup will bring you peace and prosperity.

He's a mean one, Mr. Grinch, so you can imagine he's a lot more excited about scaring the bejesus out of people than he is redefining himself through love and understanding. Time to ready the dog-sled; We tee-pee Whoville tonight!

Award-winning New York Times photographer Joao Silva was badly injured after stepping on a landmine in Afghanistan today.

Yesterday a great white shark killed 19-year-old boogie-boarder Lucas Ransom in California after ripping his leg off at the pelvis. An expert said the shark probably thought Ransom was a sea lion, in a tragic case of "mistaken identity." [LAT]

Going after a man with a microphone is never a good idea, so when this Aussie comedian comes across a racism accusation from an audience member, he drives her out of the theatre. Brendon Burns was very well prepared.

[The "YouTube Biennial" took over the Guggenheim Museum last night, broadcasting videos from the site on to the building's famous white walls. Another photo—from the other direction—below.]

Fold over a piece of paper 42 times and it will reach the moon! In both a part of his song-a-day project as well as an effort in crowd-sourcing, Jonathan Mann sings and informs in this excellent three-minute song.

Friday is here, which means movies! It's a fairly quiet week for releases, but let's take a look anyway. Mostly, this week's movies are about g-g-ghossssts! We've got Paranormal Activity 2 and Hereafter, plus a couple of indies.

Secret-sharing website Wikileaks just released the largest leak of U.S. military documents ever, and it's like the oposite of Christmas. The 400,000 Iraq war documents details widespread torture by America's Iraqi allies, abuse the U.S. military largely ignored.

Let's catch up with Community: Pierce is befriended by a group of old folks, Troy and Abed dress up as Jeff Winger, and the entire school follows around Abed as if he's some crazy combination of David Blaine and Jesus.

This morning, Kelly received a text alert during an interview with Mark Fuererstein. Although Fuererstein laughs off Kelly's poor cell phone etiquette, Kelly should probably try to remember to turn off his phone when filming live.

How did Hoda convince Kathie Lee to use her name in the title of her book? Wine, duh! When Martha asked why she wrote her memoirs so early in life, Hoda explains that she figured her show would get canceled.

Today we looked at the unfortunate case of Meg Whitman's son, and it naturally got people talking. One commenter turned the ire inward, issuing a long invective against you, his fellow commentariat. Observe the splendor of his/her rage.