The viral power of online media has proven how fast creative ideas can be spread and adopted, using tools like cellphones, digital cameras, micro-credit, mobile banking, Facebook, and Twitter. A perfect example? The way the Green Movement in Iran caught fire thanks to social media.
The root cause of the looming energy problem - and the key to easing environmental, economic and religious tensions while improving public health - is to address the unending, and unequal, growth of the human population. And the one proven way to reduce fertility rates is to empower young women by educating them.
Neuroscientists talk a lot about brain circuits. In fact, the word 'circuit' is probably misleading. We do not know where most circuits begin and end. And unlike an electrical circuit, brain connections are heavily reciprocal and recursive, so that a direction of information flow can be inferred but sometimes not proven.
High testosterone levels have been proven to make men more likely to commit crimes. The tendency in men toward risky behaviour keeps turning up even where socialization is different, and so does crime and delinquency.
RNA interference has proven to be a quite reliable mechanism for turning genes off in a whole variety of different plants and animals.
The person who takes the oath of office in the next four months will shape not just the next four years, but the next forty years of our nation. In these next four years, we need proven leadership, proven judgment and proven values. America needs four more years of President Barack Obama.
Growing up in a group home, and with an undiagnosed learning disability to boot, the odds of success were not on my side. But when I joined the high school football team, I learned the value of discipline, focus, persistence, and teamwork - all skills that have proven vital to my career as a C.E.O. and social entrepreneur.
With a proven track record as a reliable, low cost producer able to meet the needs of our customers with a diversity of operations, coal qualities and transportation options, we believe we can continue our record-setting performance in the future, as the Gibson South and White Oak mines reached their full potential.
Some may remember, if you have good memories, that there used to be a concept in Anglo-American law called a presumption of innocence, innocent until proven guilty in a court of law. Now that's so deep in history that there's no point even bringing it up, but it did once exist.
The lessons I learned from my mother and her friends have guided me through death, birth, loss, love, failure, and achievement, on to a Fulbright scholarship and Harvard Business School. They taught me to believe that anything was possible. They have proven to be the strongest family values I could ever have imagined.