Self-powered sensor automatically harvests magnetic energy

Self-assembling DNA computer can sort simple images into categories

To cope with threats to the sense of self (e.g., bad grades, rejection), it may be helpful to engage in self-affirmation. One way of doing so is by writing about things in life one values the most (e.g., courage, love, freedom, justice, family relations).

A Self-Eating Engine Could Make Rockets More Efficient