1. World's tiniest steam engine built
2. God particle: why Cern scientists have been using the Large Hadron Collider to find it
3. What's your sound perfume?
4. Brain-controlled computer tracks attention
5. Big Question for 2012: The Great Pyramid Secret Doors
6. 'Matrix-style' learning implants new skills in brains
7. Ultrathin, foldable sensors probe secrets of the brain
8. Crusader's Arabic Inscription No Longer Lost in Translation
9. Students Preserve Revolutionary War Shipwrecks
10. Light Me Up, Buttercup
11. Ancient Fish Takes a Walk
12. Student Innovators Hack Kinetic and Cancer to Win $100,000
13. They guppy: newest top predator?