Step 1

Mark Kendall- Demo- A needle-free vaccine patch that's safer and way cheaper

Step 2

Luke Syson- How I learned to stop worrying and love 'useless' art

Step 3

Joe Kowan- How I beat stage fright

Step 4

Guy Hoffman- Robots with 'soul'

Step 5

Shereen El Feki- A little-told tale of sex and sensuality

Step 6

Maya Penn- Meet a young entrepreneur, cartoonist, designer, activist ...

Step 7

Anant Agarwal- Why massively open online courses (still) matter

Step 8

Paula Johnson- His and hers ... healthcare

Step 9

Yves Morieux- As work gets more complex, 6 rules to simplify

Step 10

Anne Milgram- Why smart statistics are the key to fighting crime

Step 11

Nicolas Perony- Puppies! Now that I've got your attention, complexity theory

Step 12

Sheryl Sandberg- So we leaned in ... now what

Step 13

Esta Soler- How we turned the tide on domestic violence (Hint- the Polaroid helped)

Step 14

Dan Berkenstock- The world is one big dataset. Now, how to photograph it ...

Step 15

Teddy Cruz- How architectural innovations migrate across borders

Step 16

Alex Wissner-Gross- A new equation for intelligence

Step 17

Aparna Rao- Art that craves your attention

Step 18

Yann Dall'Aglio- Love -- you're doing it wrong

Step 19

Does the media have a "duty of care"?

Step 20

Rupal Patel- Synthetic voices, as unique as fingerprints

Step 21

Molly Stevens- A new way to grow bone

Step 22

Chris McKnett- The investment logic for sustainability

Step 23

Roselinde Torres- What it takes to be a great leader

Step 24

Christopher Ryan- Are we designed to be sexual omnivores

Step 25

Ash Beckham- We're all hiding something. Let's find the courage to open up

Step 26

Catherine Bracy- Why good hackers make good citizens

Step 27

Annette Heuser- The 3 agencies with the power to make or break economies

Step 28

Charmian Gooch- My wish- To launch a new era of openness in business

Step 29

How data will transform business

Step 30

Siddharthan Chandran- Can the damaged brain repair itself

Step 31

Christopher Soghoian- Government surveillance — this is just the beginning

Step 32

Michael Metcalfe- We need money for aid. So let's print it.

Step 33

Mary Lou Jepsen- Could future devices read images from our brains

Step 34

Gabriel Barcia-Colombo- My DNA vending machine

Step 35

Manu Prakash- A 50-cent microscope that folds like origami

Step 36

Ajit Narayanan- A word game to communicate in any language

Step 37

Carin Bondar- The birds and the bees are just the beginning

Step 38

Anne-Marie Slaughter- Can we all 'have it all'

Step 39

Daniel Reisel- The neuroscience of restorative justice

Step 40

David Puttnam- What happens when the media's priority is profit

Step 41

Leyla Acaroglu- Paper beats plastic How to rethink environmental folklore

Step 42

Fields Wicker-Miurin- Learning from leadership's missing manual

Step 43

Edward Snowden- Here's how we take back the Internet

Step 44

Richard Ledgett- The NSA responds to Edward Snowden's TED Talk

Step 45

Where’s Google going next?

Step 46

Steven Pinker and The long reach of reason

Step 47

What I learned from going blind in space