动物植物长毛猛犸象的活动与最早的阿拉斯加狩猎营地有关
研究人员将一只1.4万年前的长毛猛犸象的旅行与阿拉斯加已知最古老的人类定居点联系起来，为这一标志性物种与一些最早穿越白令大陆桥的人之间的关系提供了线索。同位素数据，以及该遗址其他猛犸象的DNA和考古证据表明，早期阿拉斯加人的定居点可能与猛犸象聚集的区域重叠。新一期《科学进展》杂志重点报道了这些发现，证明猛犸象和早期狩猎采集者在该地区共享栖息地。长毛猛犸象的长期可预测存在会吸引人类到该地区。
阅读全文动物植物动物植物动物植物动物植物动物植物动物植物研究表明，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
阅读全文动物植物新化合物通过间接靶向钙通道而优于止痛药
A compound -- one of 27 million screened in a library of potential new drugs -- reversed four types of chronic pain in animal studies, according to new research led by NYU College of Dentistry's Pain Research Center and published in the Proceedings o
阅读全文动物植物鉴定一种提高水稻产量的硅转运蛋白
Silicon (Si) is abundant in terrestrial environments and accounts for 0.1% to 10% of a plant's dry weight. Certain plant species show high levels of Si accumulation, and research has identified high Si accumulation as a protective mechanism against abiot
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