先拆结构，再谈理解 · 阅读高分隐藏能力
One common mistake is the belief that catching up on sleep at weekends repairs the damage.
Free play, in particular, seems to build problem-solving skills that structured activities do not.
Studies that do this generally find that, with adequate training, citizen scientists produce data almost as reliable as that collected by experts.
The refrigerator transformed daily life more quietly but no less profoundly than the car.
When we choose from a huge range, we can imagine alternatives we might have preferred, and the chosen item is judged against them.
The result is that farmland around the world is losing topsoil far faster than it is being replaced.
The value of a promise, researchers note, is not that it shortens the wait but that it removes the fear of an endless one.
If school starts at eight thirty, a teenager who cannot sleep until eleven is being asked to function after less than seven hours' sleep, at an age when the brain is still developing.
The dance therefore translates a private mental map into a public message that other bees can decode.
Whales learn their songs from neighbouring populations, and a new song can spread across an entire ocean in a few years, replacing older versions entirely.
Although the hypothesis was proposed more than forty years ago, it remains influential, partly because it explains why dreams are so strange—the brain is working with random material.
When healthy volunteers are kept to a twenty-eight-hour day, their blood pressure, blood sugar and hormone levels deteriorate within weeks, and their performance on cognitive tests declines.
The cost of such programmes is significant, but it is small compared with the price of inaction, which is measured in lost lives, damaged health and reduced productivity.
If platforms are required to treat their workers as employees, their costs will rise and some services may become more expensive, but the sector may also become more sustainable in the long term.
The confidence we feel in a memory is a poor guide to its truth, and even the most sincere witness can be honestly mistaken.