In a global social network, speaking in a frequently translated tongue enhances your influence.
A dot-com deal too sweet to resist launched the Laboratory for Chocolate Science.
Building a wind-power startup with aero-astro knowledge.
Ocean explorer shares adventures online.
Helping people live healthier lives.
Landing the Rosetta spacecraft on a comet.
Seeking financial empowerment for all.
Taking on Ironman races at 81.