When you think of a schedule as a box of wood blocks, as Joel Spolsky suggests, it's easier to reason about what belongs inside.

3D Printing is a production process in which thin layers of an object are deposited on top of each other to produce a physical object.

Stem cells are a type of cell that can replicate into different kinds of cells. A few years ago, National Geographic showcased a fascinating application of stem cells for regrowing burnt skin.

Daniel Pink's Drive highlights several stark differences between what motivation science tells us and how businesses and schools operate in the areas of:

• Autonomy: choosing what you work on, when you work on it and with whom,

• Mastery: working towards bettering yourself in some dimension under optimal working conditions, and

• Purpose: working towards something greater than yourself.

Genomics is the study of genetic material. A new tool for editing genes makes it easier to manufacture synthetic life.

An updated marshmallow test reveals that deferred gratification is heavily influenced by our perception of our environment's reliability.

In math, transitivity is a property of relations such that if A is related to B, and B is related to C, then A is related to C in the same way.

An intransitive relation is one in which this pattern does not hold.

Under certain economics conditions, dueling to defend your honor is an expensive, but rational, choice.

The Zone of Proximal Development (ZPD) is a theoretical construct for engaging a student above the level of boredom and below the level of anxiety.

Once we own something, the endowment effect describes the degree to which we don't want to sell it.

Or maybe not.

Parkinson's Law states:

Work expands so as to fill the time available for its completion.

As some parts of society evolve faster than others, we should remember to be patient with the process.

The sensory cortex is the main region for processing tactile senses. Yet, recently, the sense of touch has been repurposed to provide additional information such as sight, direction, and other new senses.

Security theater is term coined by Bruce Schneier to describe security measures that make us feel more secure rather than actually improve our security.

The Paradox of Choice consists of our:

• preference for many (rather than few) options when making a decision,
• larger likelyhood of dissatisfaction when choosing from a large set of options (rather than a small set).

In Barry Schwartz's Paradox of Choice, he argues that our desire to expand our available alternatives is actually making us less satisfied with whatever we end up choosing.