Cat responds to rotational optical illusion. The illusion in question. But why does it work? Link to the actual paper.
Last year, The Cooper Union For The Advancement Of Science And Art publicly admitted it was in dire financial straits and raised the idea of charging tuition for the first time in 110 years. The students responded in an appropriate manner. But now as the specter of tuition becomes closer to reality the students took a more drastic option: Since Monday, eleven undergraduate students have expertly barricaded themselves inside the top floor of the New York college. They talk about what they want. They even get pizza. [more inside]