-
作者：Liang, Jiehui; Liu, Ziyu; Yang, Zihao; Huang, Yuelei; Wurstbauer, Ursula; Dean, Cory R.; West, Ken W.; Pfeiffer, Loren N.; Du, Lingjie; Pinczuk, Aron
作者单位：Nanjing University; Nanjing University; Collaborative Innovation Center of Advanced Microstructures (CICAM); Columbia University; University of Munster; Princeton University; Nanjing University; Columbia University
摘要：Exotic physics could emerge from interplay between geometry and correlation. In fractional quantum Hall (FQH) states(1), novel collective excitations called chiral graviton modes (CGMs) are proposed as quanta of fluctuations of an internal quantum metric under a quantum geometry description(2-5). Such modes are condensed-matter analogues of gravitons that are hypothetical spin-2 bosons. They are characterized by polarized states with chirality(6-8) of +2 or -2, and energy gaps coinciding with ...
-
作者：Pedraja, Federico; Sawtell, Nathaniel B.
作者单位：Columbia University
摘要：A number of organisms, including dolphins, bats and electric fish, possess sophisticated active sensory systems that use self-generated signals (for example, acoustic or electrical emissions) to probe the environment1,2. Studies of active sensing in social groups have typically focused on strategies for minimizing interference from conspecific emissions2-4. However, it is well known from engineering that multiple spatially distributed emitters and receivers can greatly enhance environmental se...
-
作者：Eckartt, Kathryn A.; Delbeau, Madeleine; Munsamy-Govender, Vanisha; DeJesus, Michael A.; Azadian, Zachary A.; Reddy, Abhijna K.; Chandanani, Joshua; Poulton, Nicholas C.; Quinones-Garcia, Stefany; Bosch, Barbara; Landick, Robert; Campbell, Elizabeth A.; Rock, Jeremy M.
作者单位：Rockefeller University; Rockefeller University; University of Wisconsin System; University of Wisconsin Madison; University of Wisconsin System; University of Wisconsin Madison
摘要：Drug-resistant bacteria are emerging as a global threat, despite frequently being less fit than their drug-susceptible ancestors(1-8). Here we sought to define the mechanisms that drive or buffer the fitness cost of rifampicin resistance (RifR) in the bacterial pathogen Mycobacterium tuberculosis (Mtb). Rifampicin inhibits RNA polymerase (RNAP) and is a cornerstone of modern short-course tuberculosis therapy(9,10). However, RifR Mtb accounts for one-quarter of all deaths due to drug-resistant ...
-
作者：Lenharo, Mariana
摘要：Machine-learning system trained on millions of human audio clips shows promise for detecting COVID-19 and tuberculosis.
-
作者：Mitchard, Edward; Ellis, Peter; Patton, Susan Cook; Adjei, Roselyn Fosuah
作者单位：Nature Conservancy
摘要：Letter to the Editor
-
作者：Kelvington, Benjamin A.; Abel, Ted
作者单位：University of Iowa
摘要：A population of neurons that engages mechanisms of the innate immune system during memory formation has been uncovered in mice. Surprisingly, inflammatory signalling might pave the way for long-term memory.
-
作者：Docter-Loeb, Hannah
摘要：As X wanes, researchers are turning to Reddit for insights and data, and to better connect with the public.
-
作者：Odgers, Candice L.
作者单位：University of California System; University of California Irvine
摘要：The evidence is equivocal on whether screen time is to blame for rising levels of teen depression and anxiety - and rising hysteria could distract us from tackling the real causes.
-
作者：Zhang, Binbin; Li, Jiyu; Zhou, Jingkun; Chow, Lung; Zhao, Guangyao; Huang, Ya; Ma, Zhiqiang; Zhang, Qiang; Yang, Yawen; Yiu, Chun Ki; Li, Jian; Chun, Fengjun; Huang, Xingcan; Gao, Yuyu; Wu, Pengcheng; Jia, Shengxin; Li, Hu; Li, Dengfeng; Liu, Yiming; Yao, Kuanming; Shi, Rui; Chen, Zhenlin; Khoo, Bee Luan; Yang, Weiqing; Wang, Feng; Zheng, Zijian; Wang, Zuankai; Yu, Xinge
作者单位：City University of Hong Kong; City University of Hong Kong; Southwest Jiaotong University; Hong Kong Polytechnic University; Hong Kong Polytechnic University
摘要：Wearable electronics with great breathability enable a comfortable wearing experience and facilitate continuous biosignal monitoring over extended periods1-3. However, current research on permeable electronics is predominantly at the stage of electrode and substrate development, which is far behind practical applications with comprehensive integration with diverse electronic components (for example, circuitry, electronics, encapsulation)4-8. Achieving permeability and multifunctionality in a s...
-
作者：Ross, Jason B.; Myers, Lara M.; Noh, Joseph J.; Collins, Madison M.; Carmody, Aaron B.; Messer, Ronald J.; Dhuey, Erica; Hasenkrug, Kim J.; Weissman, Irving L.
作者单位：Stanford University; Stanford University; Stanford University; Stanford Cancer Institute; Stanford University; National Institutes of Health (NIH) - USA; NIH National Institute of Allergy & Infectious Diseases (NIAID); National Institutes of Health (NIH) - USA; NIH National Institute of Allergy & Infectious Diseases (NIAID); Stanford University; Montana State University System; Montana State University Billings; Montana State University Bozeman
摘要：Ageing of the immune system is characterized by decreased lymphopoiesis and adaptive immunity, and increased inflammation and myeloid pathologies(1,2). Age-related changes in populations of self-renewing haematopoietic stem cells (HSCs) are thought to underlie these phenomena(3). During youth, HSCs with balanced output of lymphoid and myeloid cells (bal-HSCs) predominate over HSCs with myeloid-biased output (my-HSCs), thereby promoting the lymphopoiesis required for initiating adaptive immune ...
