Capitalism fosters innovation, indeed. I do believe that contraceptives should be used along with new approaches to climate change, since population growth generally spikes in low-income countries where women don't have equitable access to birth control.
This is a lovely vignette on the late, great Christopher Hitchens and his contribution to free-thinking as well as a good reminder of the need for down-to-earth objective reasoning in the face of its many politically-correct enemies.
Prime Number Hide-and-Seek: How the RSA Cipher Works
Interesting approach using interference patterns to help deduce what's actually there. I imagine it'll be useful from military applications to driverless cars once the technology gets out of the lab and into the real world.