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...Since moot launched 4chan.org in 2003, the site has given birth to Internet memes as diverse as Lolcats and Rickrolling. 4chan averages 13 million page views a day and 5.6 million visitors a month; by some estimates it is the second largest bulletin board in the world...
Analyzing the fossils at this small site, they counted 52 distinct species just below the iridium layer. Then they counted the species above it. The result: the same 52. It wasn't until they sampled 30 feet higher - and 300,000 years later - that they saw the die-offs...
...were so close to ground zero, the immediate species loss ought to be have been - if anything - greater there than anywhere else in the world. Instead, the animals seemed to escape unharmed. Other paleontologists, however, believe that the very proximity of El Peñón to the impact site makes the results even less reliable. Earthquakes and tsunamis that resulted from the collision could have wrought havoc on the sedimentary record, causing discrete strata to swirl together and completely scrambling time lines. Keller disagrees, pointing out that the slow accretion of sediment that she and Addate recorded is completely...
...front of your computer, courtesy of other people's money. In March, YouTube launched an education hub called YouTube Edu, dedicated exclusively to videos from the more than 100 schools--ranging from Grand Rapids Community College to Harvard Business School--that have set up official channels on the site. Liberated from the viral stew of pop-culture vlogs and silly cat videos, the collection highlights how much free education is out there. (See TIME's special report on paying for college...
...your rescue. The National Park Service spends nearly $5 million annually on search and rescue (SAR) missions and that doesn't include the cost of hundreds of thousands of man hours that go into these searches. Yet unless rescuees violated a park rule - like trespassing into a protected archeological site, for example - they aren't responsible for the cost. "The majority of what we spend is really out of pocket," says Dean Ross, chief of Emergency Services at the park service's D.C. branch...