2023-11-20 16:47:36时空
詹姆斯·韦伯太空望远镜探测到附近系外行星大气层中的水蒸气、二氧化硫和沙云

A team of European astronomers, co-led by researchers from the Institute of Astronomy, KU Leuven, used recent observations made with the James Webb Space Telescope to study the atmosphere of the nearby exoplanet WASP-107b. Peering deep into the fluffy atm

阅读全文
2023-11-20 16:47:35时空
“跳动”的彗星可以为系外行星提供生命的基石

How did the molecular building blocks for life end up on Earth? One long-standing theory is that they could have been delivered by comets. Now, researchers from the University of Cambridge have shown how comets could deposit similar building blocks to oth

阅读全文
2023-11-20 16:47:35时空
“冷却玻璃”将建筑热量送入太空

University of Maryland researchers aiming to combat rising global temperatures have developed a new "cooling glass" that can turn down the heat indoors without electricity by drawing on the cold depths of space.

阅读全文
2023-11-20 16:47:35时空
今天的一些地震可能是19世纪地震的余震

In the 1800s, some of the strongest earthquakes in recorded U.S. history struck North America's continental interior. Almost two centuries later, the central and eastern United States may still be experiencing aftershocks from those events, a new study f

阅读全文
2023-11-20 16:47:34时空
伴随着前所未有的耀斑,恒星尸体显示出生命迹象

After a distant star's explosive death, an active stellar corpse was the likely source of repeated energetic flares observed over several months -- a phenomenon astronomers had never seen before, a Cornell-led team reports in new research published Nov.

阅读全文
2023-11-20 16:47:34时空
具有骨骼、韧带和肌腱的印刷机器人

3D printing is advancing rapidly, and the range of materials that can be used has expanded considerably. While the technology was previously limited to fast-curing plastics, it has now been made suitable for slow-curing plastics as well. These have decisi

阅读全文
2023-11-20 16:47:33动物植物
研究表明,气候工程可以减缓南极冰层的流失

Scattering sunlight-reflecting particles in the atmosphere could slow rapid melting in West Antarctica and reduce the risk of catastrophic sea-level rise, according to a study led by Indiana University researchers.

阅读全文
2023-11-20 16:47:33动物植物
科学家在实验室培育的皮肤上3D打印毛囊

A team led by scientists at Rensselaer Polytechnic Institute has 3D-printed hair follicles in human skin tissue cultured in the lab. This marks the first time researchers have used the technology to generate hair follicles, which play an important role in

阅读全文
2023-11-20 16:47:32动物植物
没有科学证据表明纳勒迪人的认知高级行为和象征意义

A new study has cast doubt on claims that Homo naledi, a small-brained hominin dating to between 335-241,000 years ago, deliberately buried their dead and produced rock art in Rising Star Cave, South Africa.

阅读全文
2023-11-20 16:47:32医药卫生
你的生物钟坏了吗?

研究人员正在使用数学模型来更好地了解夏令时、夜班工作、时差甚至深夜手机滚动等干扰对身体昼夜节律的影响。

阅读全文
2023-11-20 16:47:32动物植物
仅从音频片段和个人照片中创建的逼真的会说话的面孔

A team of researchers from Nanyang Technological University, Singapore (NTU Singapore) has developed a computer program that creates realistic videos that reflect the facial expressions and head movements of the person speaking, only requiring an audio cl

阅读全文
2023-11-20 16:47:31动物植物
显微镜下细菌的代谢:揭示宿主与微生物相互作用的新方法

The fascinating world of bacteria that live as symbionts or parasites in animal hosts often remains a mystery to researchers. Kiel University (CAU) and the Max Planck Institute for Marine Microbiology in Bremen are contributing to solving this puzzle with

阅读全文
 12650   首页 上一页 948 949 950 951 952 953 954 955 956 957 下一页 尾页