Biomimicry & Taxonomy. "Nature's elegant solutions to building challenges include the Scots pine's adaptive growth, the thorny devil's passive water collection, and a leaf's on-site energy production. AskNature can help you solve your design challenges. "
B-Trees are often mentioned as a good way to store and retrieve data, especially to and from disk. They're efficient to use and easy to program, and they're often mentioned but not-so often discussed. They show up all over the place.
The Clash Between Faith and Reason in the Modern World - Sam Harris gives a speech on the rational thinking and logics behind the idea of no god at the Aspen Ideas Festival.