听众 “芝士” 想知道单词 “experiment、test” 和 “trial” 之间是否有区别。这三个单词分别用来指三种不同类型的 “试验”，包括用来探索未知领域而展开的实验、测试事物是否有效或性能是否正常的试验、和需要一段时间的观察才能得出结论的试验。本期 ...

Americans say the would prefer to buy U.S.-made products, but one experiment shows they won't pay a premium for them. We’ve all heard people say: "I’d gladly pay more for products made in America, if ...

It’s 1988. A young scientist sets up a simple evolution experiment involving small colonies of bacteria growing in flasks. To be safe, he tries out two variations, each with slightly different ...

Back in 1961, the Nobel Prize–winning physicist Eugene Wigner outlined a thought experiment that demonstrated one of the lesser-known paradoxes of quantum mechanics. The experiment shows how the ...

Festooned with mustard-yellow drapes and a dangling American flag, the room resembled a grange hall on bingo night. At center stage sat a wide vase containing oblong, plastic lotto balls, and over ...

Sarah Vitak: This is Scientific American’s 60 Second Science. I’m Sarah Vitak. The question of how life came to be has captivated humans for millennia. The prevailing theory now is that, on a highly ...

TikTok is facing a new round of questions about its safety record and how its algorithm has fueled problematic "filter bubbles." Senators Marsha Blackburn and Richard Blumenthal sent a sharply worded ...

This article is an extended version of the article “The double-slit experiment” that appeared in the September 2002 issue of Physics World (p15). It has been further extended to include three letters ...