How the Ancient Maya Predicted Eclipses Centuries in Advance
古代天文学家开发了一种数学上精确的系统来预测日食。
Why Time Feels Like It Speeds Up as We Age, According to Neuroscience
随着年龄的增长，我们的大脑可能会模糊时间的边缘。
Three Arctic Seal Species Just Moved Closer to Extinction as Sea Ice Vanishes
北极海豹正在失去生存所需的冰，科学家表示危机正在加速。
Scientists Built Tiny DNA Flowers That Can Move on Their Own and Deliver Targeted Treatments
研究人员创造了 DNA 与无机纳米花的混合体，可以在几秒钟内折叠和展开。
Walking Just 4,000 Steps a Few Days a Week Can Cut Your Risk of Death Substantially
每天 10,000 步可能是一个艰巨的目标，但事实证明，只需 4,000 步就可以产生很大的变化。
When Cannabis and Tobacco Combine, Your Brain’s “Bliss Molecule” Takes a Hit
新的脑部扫描揭示了两者的混合如何改变情绪和成瘾化学
‘We Are Just Waiting to Die’: Mining Activists Targeted as South Africa Delays Energy Transition
在约翰内斯堡举行的听证会上，活动人士表示，南非的煤炭和铁矿开采业正在利用暴力和恐吓手段压制抵制土地掠夺的社区。
Meteor Crater Impact May Have Triggered Ancient Floods in the Grand Canyon
一项新研究表明，亚利桑那州两个最著名的地标可能存在关联。
