Yossi Sassi: The power of music to unite the world

Raymond Wang (age 14): Harvesting energy from rain, hail and snow

Vanessa Berlowitz: Extreme nature documentaries and how to survive them

Josh Atkins: A vision for TV's future

James Nester & Albert Sauter: Garden gnome travels the world for science

Gerald Moy: The dangers and delights of global diets

Laurence Kemball-Cook: How to turn your footsteps into energy

Rose George: Take toilets seriously

Katharine Harborne: Let's rethink our relationship with plants

Alastair Parvin: Architecture for everyone, by anyone

James Bridle: A new aesthetic for the digital age

Farida Vis: Social media and the life cycle of rumors

Feng He: Crowd funding creativity in China

Faith Jegede: Autism through a sibling's eyes

James Freedman: Secrets from a professional pickpocket

Lena Edlund: How to build a house with no money -- or electricity

Mike Wood: Catapulted cabbage comedy

Edmond Hui: The paper airplane redesigned

Yu "Jordy" Fu: An artistic vision for tomorrow's buildings

Daniel Reisel: The neuroscience behind evil

Aral Balkan: Great design should empower, amuse and delight

Pete Pattisson: Education should apply to real life

Eleanor Longden: Learning from the voices in my head

Harry Hui: Music dreams empower young Chinese artists

James Alliban: Experimental art for your iPad and phone

Doreen Baingana: The role of offensive language in novels

Betty Ni: Powerful stories of recovery using stem cells

Chen Xi Huang: The ancient art of hand puppetry

Richard Brown: The $49 tablet PC

Calvin Chin: Can China innovate?