For survivors of Ebola, the crisis isn't over | Soka Moses

Need a new idea? Start at the edge of what is known | Vittorio Loreto

Dear billionaire, I give you a D-minus

What if we paid doctors to keep people healthy? | Matthias Mullenbeck

Academic research is publicly funded -- why isn't it publicly available? | Erica Stone

My descent into America's neo-Nazi movement -- and how I got out | Christian Picciolini

The role of faith and belief in modern Africa | Ndidi Nwuneli

Why I choose humanism over faith | Leo Igwe

Our fight for disability rights -- and why we're not done yet | Judith Heumann

How we can teach computers to make sense of our emotions | Raphael Arar