In a randomized trial with 818 preschool and kindergarten children in 47 US schools, a daily 3 to 5 minute song-and-dance video program raised scores on the words it taught by 0.30 standard deviations, and most of the gain held two months later.

After Google stopped making maps in EU search results clickable in January 2024, searches for "maps" and "google maps" rose more than 21%, but total traffic to Google Maps did not change and rivals such as Bing Maps gained nothing.

Across 12 experiments, first names and city names paired with highly memorable faces were recalled more often than names paired with forgettable faces. Memorable scenes gave no such boost to the names linked with them.

In time-use data from countries around the world, full-time male workers in the top income quartile sleep around half an hour less per day than those in the bottom quartile, and people in richer countries sleep less on average, implying an income elasticity of sleep of about -0.04.

When megafirms standardize tasks so anyone can do the job, a calibrated model finds output per worker rises more than 25% while relative wages fall about 8%, and the large-firm wage premium shrinks from over 50% to about 30%.

Across decades of US congressional and California local races, a one-standard-deviation rise in how pronounceable a candidate's name is went with 0.8 more percentage points of the vote in general elections, 1.4 in primaries and 0.29 in local races.

A calendar-time portfolio of analysts' top pick stocks generated abnormal returns of 17.6% a year, outperforming buy ratings, though only institutional investors could tell the valuable picks apart when they were announced.