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If the universe is expanding, how can galaxies collide?

如果宇宙在膨胀，星系怎么会碰撞？

Snakes on a train? King cobras may be riding the rails in India

火车上的蛇？印度可能有眼镜王蛇正在乘坐铁路

Kanzi the famous bonobo may have understood ‘pretend’ objects

著名的倭黑猩猩Kanzi可能理解“假装”物体

Menstrual blood can detect HPV, hinting at broader uses

月经血可以检测HPV，暗示更广泛的应用

‘X-ray dot’ discovery fuels JWST ‘black hole star’ debate

“X射线点”发现推动JWST“黑洞星”争论

These two habits are linked to more than a third of all cancer cases

这两种习惯与三分之一以上的癌症病例有关

Women and men are almost equally as likely to be diagnosed as autistic by adulthood, new study finds

一项新研究发现，女性和男性在成年时被诊断为自闭症的可能性几乎相同

Lung cancer hijacks the brain to trick the immune system

肺癌劫持大脑以欺骗免疫系统

Climate change threatens the Winter Olympics—even snowmaking won’t save it

气候变化威胁冬季奥运会——即便人工造雪也无法拯救它

NASA’s Artemis II moon mission engulfed by debate over its controversial heat shield

NASA的阿尔忒弥斯二号月球任务因备受争议的热盾而引发辩论

Elon Musk fuses SpaceX with xAI

埃隆·马斯克将SpaceX与xAI融为一体

SpaceX plans to launch one million satellites to power orbital AI data center

SpaceX计划发射一百万颗卫星以供电轨道AI数据中心

Jupiter isn’t as huge as we thought it was

木星并没有我们想象中那么巨大

Astronomers triumph over telescope-threatening energy project in Chile

天文学家战胜了对智利望远镜构成威胁的能源项目

Is time a fundamental part of reality? A quiet revolution in physics suggests not

时间是现实的基本组成部分吗？物理学的一场静默革命表明并非如此

Celebrate Groundhog Day with 6 bizarre groundhog facts

庆祝土拨鼠日的6个奇怪土拨鼠事实

U.S. quietly declassifies Cold–War era ‘JUMPSEAT’ surveillance satellites

美国悄然解密冷战时期“JUMPSEAT”监视卫星

Largest galaxy survey yet confirms that the Universe is not clumpy enough

迄今为止最大的星系 survey 确认宇宙不够稀疏

NASA stresses ISS crew safety as it gears up for next astronaut launch

NASA强调国际空间站机组人员安全，准备下一次宇航员发射

U.S. life expectancy hits all-time high

美国人均预期寿命创历史新高

‘Artificial lungs’ keep patient alive for two days

“人工肺”使患者存活两天

How long you live may depend much more on your genes than scientists thought

你的寿命可能比科学家想象的更受基因影响

How new CT scanners ended Heathrow 100ml liquids rule

新型CT扫描仪如何终结希思罗机场100毫升液体限制规则

JWST spots most distant galaxy ever, pushing the limits of the observable universe

詹姆斯·韦伯望远镜发现最远星系，突破可观测宇宙的极限

The Schrödinger equation just turned 100, and quantum physicists are still grappling with its mysteries

薛定谔方程刚满一百岁，量子物理学家仍在探索其奥秘

40 years after Challenger disaster, NASA faces safety fears on Artemis II

挑战者号灾难40年后，NASA在Artemis II任务中面临安全担忧

The surprising science behind how certain foods can make you smell more attractive

某些食物如何让你闻起来更有吸引力的惊人科学原理

NASA to push ahead with ‘wet’ dress rehearsal for Artemis II moon mission

NASA将推进阿尔忒弥斯二号登月任务的“湿式”彩排

The science of why video evidence can mess with our brain

视频证据为何会干扰我们大脑的科学解析

Why freezing rain can be so much more dangerous than snow

冻雨为何比降雪更危险得多