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Abstract This paper describes strategies to search for, detect, and identify organic material on the surface and subsurface of Mars. The strategies described include those applied by landed missions in the past and those that will be applied in the future. The…
openalex
W. Goetz, W. B. Brinckerhoff, Ricardo Arévalo, C. Freissinet 等
2016-07-01
置信度 0.72
Mars Exploration ProgramAstrobiologyExploration of MarsEnvironmental scienceRemote sensing
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Opaline silica deposits on Mars may be good target sites where organic biosignatures could be preserved. Potential analogues on Earth are provided by ancient cherts containing carbonaceous material (CM) permineralized by silica. In this study, we investigated …
openalex
Yuangao Qu, Anders Engdahl, Shixing Zhu, Vivi Vajda 等
2015-10-01
置信度 0.72
PrecambrianDiagenesisGeologyRaman spectroscopyMetamorphism
-
Melancholia is typified by features of psychomotor slowing, anxiety, appetite loss and sleep changes. It is usually observed in 20-30% of individuals meeting diagnostic criteria for major depressive disorder (MDD). There is currently no agreement on whether me…
pubmed
Claire V. Day, Leanne M. Williams, Claire VA Day, Leanne M Williams 等
2012 Jul
置信度 0.82
MelancholiaContext (archaeology)PsychologyAnxietyMelancholic depression
-
Thyroid cancer is the most common malignancy of the endocrine system. The diagnosis of thyroid nodules, made by neck examination and ultrasonography, is a common event occurring in over 50% of the patient population over the age of 50. Yet, only 5% of these pa…
pubmed
Raymon H. Grogan, Elliot J. Mitmaker, Orlo H. Clark, Grogan RH 等
2010 May 20
置信度 0.82
MedicineThyroid cancerThyroidThyroid nodulesMedullary thyroid cancer
-
plays a fundamental role in several geochemical and biological processes, with silicate minerals being the most abundant components of the Earth's crust. Although the oldest evidences of life on Earth are fossilized in microcrystalline silica deposits, little …
openalex
Francesco Sauro, Martina Cappelletti, Daniele Ghezzi, Andrea Columbu 等
2018-11-28
置信度 0.72
Biogeochemical cycleWeatheringArchaeaMicrocrystallineBiomineralization
-
The first potential exoplanet biosignature detections are likely to be ambiguous due to the potential for false positives: abiotic planetary processes that produce observables similar to those anticipated from a global biosphere. Here we propose a class of met…
arxiv
Michaela Leung, Edward W. Schwieterman, Mary N. Parenteau, Thomas J. Fauchez
2022-08-15T18:22:26Z
置信度 0.78
astro-ph.EP
-
Here we review how environmental context can be used to interpret whether O2 is a biosignature in extrasolar planetary observations. This paper builds on the overview of current biosignature research discussed in Schwieterman et al. (2017), and provides an in-…
arxiv
Victoria S. Meadows, Christopher T. Reinhard, Giada N. Arney, Mary N. Parenteau 等
2017-05-22T05:28:59Z
置信度 0.78
astro-ph.EP
-
The search for life beyond the solar system is a central goal in exoplanetary science. Exoplanet surveys are increasingly detecting potentially habitable exoplanets and large telescopes in space and on ground are aiming to detect possible biosignatures in thei…
arxiv
Nikku Madhusudhan
2025-03-29T06:38:36Z
置信度 0.78
astro-ph.EP
-
Informational polymers were born in the primitive Earth but nothing \nis known about the way(s) from which efficient prebiotic synthetic \nroutes arose. However, in a possible scenario for the origin of life \nthere was a time in which informational genetic po…
crossref
2008-03-28T11:37:50Z
置信度 0.70
-
crossref
2020-06-03T01:04:07Z
置信度 0.70
-
crossref
2023-07-27T09:05:47Z
置信度 0.70
-
Abstract The discovery of thousands of exoplanets in the last two decades has uncovered a wide diversity of planets that are very different from those in our own Solar System. Ideas for how to detect signs of life in the variety of planetary possibilities, by …
crossref
Sara Seager
2017-05-24T01:42:18Z
置信度 0.70
-
Carbonates are prevalent in the geologic record throughout Earth's history and are also found on Mars and within meteorites. The chemical and isotopic compositions of carbonates have been used to elucidate the composition of ancient oceans and the prevailing c…
crossref
Mónica Sánchez-Román
2024-03-11T10:07:27Z
置信度 0.70
-
Abstract Life on Earth relies on mechanisms to store heritable information and translate this information into cellular machinery required for biological activity. In all known life, storage, regulation, and translation are provided by DNA, RNA, and ribosomes.…
europepmc
Jordan M. McKaig, MinGyu Kim, Christopher E. Carr
2023
置信度 0.80
-
crossref
Dustin Heese, Robert Goldstein, Claire Marshall
2026-06-22T18:01:17Z
置信度 0.70
-
crossref
Eva Stüeken
2025-03-17T14:59:06Z
置信度 0.70
-
Abstract Chemical disequilibrium in exoplanetary atmospheres (detectable with remote spectroscopy) can indicate life. The modern Earth’s atmosphere–ocean system has a much larger chemical disequilibrium than other solar system planets with atmospheres because …
crossref
Nicholas F. Wogan, David C. Catling
2020-04-06T12:13:15Z
置信度 0.70
-
crossref
Jessica Goin
2022-11-19T00:40:45Z
置信度 0.70
-
An overheard (fictional) conversation between a terrestrial speaker and a representative alien from some other planet orbiting some other star. The conversation touches on moral and spiritual issues. The main aim is to make the attempt not to be parochial.
crossref
Andrew Steane
2018-07-19T22:17:47Z
置信度 0.70
-
crossref
2023-09-01T20:21:45Z
置信度 0.70
-
crossref
2023-09-19T14:13:10Z
置信度 0.70
-
crossref
2004-11-26T05:13:53Z
置信度 0.70
-
crossref
2004-11-26T04:55:06Z
置信度 0.70
-
crossref
Michael D. Papagiannis
2011-10-04T04:10:35Z
置信度 0.70
-
crossref
2023-09-01T20:21:45Z
置信度 0.70
-
crossref
2024-11-20T21:00:32Z
置信度 0.70
-
crossref
Lewis S. Ford
2025-11-21T13:18:47Z
置信度 0.70
-
Extraterrestrial Life Get access The Search for Extraterrestrial Life, Vol. 22, edited by Hanrahan J. S., Advances in the Astronautical Sciences, An American Astronautical Society Publication, Scholarly Publications, Inc.. Sun Valley, Calif. 1968, 377 p., illu…
crossref
Elie Shneour
2006-04-25T19:45:59Z
置信度 0.70
-
crossref
Andrew M. Davis
2025-11-21T13:18:47Z
置信度 0.70
-
crossref
Roland Faber
2025-11-21T13:18:47Z
置信度 0.70
-
crossref
2019-05-29T10:43:26Z
置信度 0.70
-
crossref
Aleksandr Romanov
2024-06-09T02:05:20Z
置信度 0.70
-
The discovery of new exoplanets makes us wonder where each new exoplanet stands along its way to develop life as we know it on Earth. Our Evo-SETI Theory is a mathematical way to face this problem. We describe cladistics and evolution by virtue of a few statis…
crossref
Claudio Maccone
2021-02-26T10:10:14Z
置信度 0.70
q-bio.PEastro-ph.EPmath.PR
-
crossref
Nicolò Antonietti, Paolo Musso
2025-01-31T21:08:46Z
置信度 0.70
-
crossref
2012-02-08T06:25:52Z
置信度 0.70
-
crossref
Jeremy Rich
2020-02-12T15:21:49Z
置信度 0.70
-
crossref
Joyce Tyldesley
2020-02-12T15:20:43Z
置信度 0.70
-
crossref
2012-02-08T11:25:52Z
置信度 0.70
-
crossref
Claudio Maccone
2021-02-26T10:10:14Z
置信度 0.70
-
crossref
2022-10-29T12:40:15Z
置信度 0.70
-
crossref
Claudio Maccone
2012-08-29T12:10:59Z
置信度 0.70
-
crossref
2021-11-07T20:22:56Z
置信度 0.70
-
crossref
Stephen R Kane
2021-12-14T10:11:32Z
置信度 0.70
-
crossref
Stephen R Kane
2021-12-14T10:11:32Z
置信度 0.70
-
‘Planetary climate and habitability’ studies planetary climate, particularly the way an atmosphere affects temperature and a planet's habitability. The entire temperature profile, from the planet's centre to the tenuous outer reaches of its atmosphere (if it h…
crossref
Raymond T. Pierrehumbert
2021-12-09T04:22:49Z
置信度 0.70
-
crossref
2019-07-26T07:13:33Z
置信度 0.70
-
crossref
2019-07-26T07:13:33Z
置信度 0.70
-
crossref
2018-05-28T10:05:46Z
置信度 0.70
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crossref
2018-07-19T05:45:30Z
置信度 0.70
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crossref
2018-07-19T01:45:30Z
置信度 0.70
-
crossref
2018-05-28T10:05:46Z
置信度 0.70
-
Understanding planetary habitability is one of the major challenges of the current scientific era, and is a vast inter-disciplinary undertaking that combines planetary science, climate science, and stellar astrophysics. This book provides an overview of the ma…
crossref
Stephen R Kane
2021-12-02T16:21:56Z
置信度 0.70
HabitabilityAstrobiologyPhysicsPlanetAstronomy
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crossref
J. Tennyson, S. N. Yurchenko
2016-12-11T09:43:18Z
置信度 0.70
-
crossref
2018-08-28T07:09:34Z
置信度 0.70
-
crossref
2011-07-20T10:03:08Z
置信度 0.70
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crossref
2011-07-20T10:03:08Z
置信度 0.70
-
crossref
André Brack
2005-10-14T11:46:30Z
置信度 0.70
-
crossref
2002-07-26T18:11:36Z
置信度 0.70
-
The Transiting Exoplanet Survey Satellite (TESS) will search for planets transiting bright and nearby stars. TESS has been selected by NASA for launch in 2017 as an Astrophysics Explorer mission. The spacecraft will be placed into a highly elliptical 13.7-day …
openalex
G. Ricker, Joshua N. Winn, R. Vanderspek, David W. Latham 等
2014-10-24
置信度 0.72
ExoplanetPlanetPhysicsAstronomyStars
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We describe the contents and functionality of the NASA Exoplanet Archive, a database and toolset funded by NASA to support astronomers in the exoplanet community. The current content of the database includes interactive tables containing properties of all publ…
openalex
Rachel Akeson, X. Chen, David R. Ciardi, Megan Crane 等
2013-07-19
置信度 0.72
ExoplanetEphemerisKeplerLight curvePlanet
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We present a catalog of nearby exoplanets. It contains the 172 known low-mass companions with orbits established through radial velocity and transit measurements around stars within 200 pc. We include five previously unpublished exoplanets orbiting the stars H…
openalex
R. Paul Butler, Jason T. Wright, Geoffrey W. Marcy, Debra A. Fischer 等
2006-07-20
置信度 0.72
ExoplanetPhysicsRadial velocityStarsObservatory
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The Transiting Exoplanet Survey Satellite (TESS ) will search for planets transiting bright and nearby stars. TESS has been selected by NASA for launch in 2017 as an Astrophysics Explorer mission. The spacecraft will be placed into a highly elliptical 13.7-day…
openalex
G. Ricker, Joshua N. Winn, R. Vanderspek, David W. Latham 等
2014-08-02
置信度 0.72
ExoplanetSatelliteAstrobiologyComputer scienceAstronomy
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We use new interior models of cold planets to investigate the mass-radius relationships of solid exoplanets, considering planets made primarily of iron, silicates, water, and carbon compounds. We find that the mass-radius relationships for cold terrestrial mas…
openalex
Sara Seager, Marc J. Kuchner, C. A. Hier‐Majumder, Burkhard Militzer
2007-11-10
置信度 0.72
ExoplanetPlanetRADIUSPlanetary massPolytrope
-
openalex
Laura Kreidberg, Jacob L. Bean, Jean-Michel Désert, Björn Benneke 等
2013-12-23
置信度 0.72
ExoplanetPlanetAtmosphere (unit)AstrobiologyPhysics
-
Since the detection a decade ago of the planetary companion of 51 Peg, more than 200 extrasolar planets have been unveiled, mostly by radial-velocity measurements but also in a few cases by photometric transit observations or in microlensing experiments. They …
openalex
S. Udry, N. C. Santos
2007-06-25
置信度 0.72
ExoplanetPhysicsPlanetRadial velocityTransit (satellite)
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At the dawn of the first discovery of exoplanets orbiting Sun-like stars in the mid-1990s, few believed that observations of exoplanet atmospheres would ever be possible. After the 2002 Hubble Space Telescope detection of a transiting exoplanet atmosphere, man…
openalex
Sara Seager, Drake Deming
2010-08-01
置信度 0.72
ExoplanetAstrobiologyPhysicsPlanetAstronomy
-
openalex
David K. Sing, Jonathan J. Fortney, Nikolay Nikolov, Hannah R. Wakeford 等
2015-12-14
置信度 0.72
ExoplanetPhysicsPlanetHot JupiterAtmosphere (unit)
-
openalex
Lars A. Buchhave, David W. Latham, Anders Johansen, Martin Bizzarro 等
2012-06-01
置信度 0.72
ExoplanetPhysicsMetallicityPlanetTerrestrial planet
-
Observations of circumstellar environments that look for the direct signal of exoplanets and the scattered light from disks have significant instrumental implications. In the past 15 years, major developments in adaptive optics, coronagraphy, optical manufactu…
openalex
J.-L. Beuzit, A. Vigan, D. Mouillet, K. Dohlen 等
2019-09-25
置信度 0.72
ExoplanetPhysicsSpectrographIntegral field spectrographTelescope
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We describe an online database for extrasolar planetary-mass candidates, which is updated regularly as new data are available. We first discuss criteria for inclusion of objects in the catalog: “definition” of a planet and several aspects of the confidence lev…
openalex
Jean Schneider, C. Dedieu, Pierre Le Sidaner, Renaud Savalle 等
2011-06-22
置信度 0.72
ExoplanetPlanetComputer scienceVirtual observatoryObservatory
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crossref
2015-07-10T19:02:00Z
置信度 0.70
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crossref
O. Venot, M. Agúndez
2016-12-11T09:43:18Z
置信度 0.70
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This chapter highlights the amazing diversity of exoplanet worlds: planets can orbit neutron stars and giant stars, evaporate in the heat of their stars or have deep oceans, and may suffer from everlasting daysides and nightsides. A few enjoy two or more suns,…
crossref
Karel Schrijver
2018-07-19T22:04:32Z
置信度 0.70
-
crossref
Giovanna Tinetti, Pierre Drossart
2016-12-11T09:43:18Z
置信度 0.70
-
crossref
2023-07-21T06:48:31Z
置信度 0.70
-
crossref
Bárbara Rojas-Ayala
2023-04-13T06:26:25Z
置信度 0.70
-
Advances in exoplanet detection methods have steadily increased the number of known planets. With more than 6000 confirmed by early 2026, exoplanet catalogs now enable increasingly powerful statistical studies of planetary populations. However, every detection…
crossref
Hendrik Schmerling, Rok Hribar, Sascha Grziwa, Martin Pätzold
2026-07-02T16:32:44Z
置信度 0.70
-
crossref
2018-08-28T07:09:34Z
置信度 0.70
-
pubmed
Darnell K, Lopez-Sanders D, Warren D, Carroll RA 等
2026 Jul 16
置信度 0.82
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pubmed
Hoy K, Zurlo A, Peña R PA, Köhler J 等
2026 Jul
置信度 0.82
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pubmed
Lin WX, Qian SB, Sun QB, Zhu LY 等
2026 Jul 20
置信度 0.82
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pubmed
Rehm TD, Altermatt C, Bernard L, Bocchieri A 等
2026 Jul 1
置信度 0.82
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pubmed
Shenai D
2026 Jul 17
置信度 0.82
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pubmed
Cherubim C, Vissapragada S, Cunningham T, Meech AG 等
2026 Jul 16
置信度 0.82
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pubmed
Bubphamanee K, Schauer A, Buick R
2026 Oct 15
置信度 0.82
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pubmed
Steinmeyer ML, Noack L, Baumeister P, Hamano K 等
2026
置信度 0.82
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The NASA Astrobiology Roadmap provides guidance for research and technology development across the NASA enterprises that encompass the space, Earth, and biological sciences. The ongoing development of astrobiology roadmaps embodies the contributions of diverse…
openalex
David J. Des Marais, Joseph A. Nuth, L. J. Allamandola, Alan P. Boss 等
2008-08-01
置信度 0.72
AstrobiologyHabitabilityExtraterrestrial lifeSpace explorationEarth science
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Now in its 3rd edition the Encyclopedia of Astrobiology serves as the key to a common understanding in the interdisciplinary community of astrobiologists.
openalex
Muriel Gargaud, Ricardo Amils, José Cernicharo Quintanilla, Henderson James (Jim) Cleaves 等
2011-01-01
置信度 0.72
EncyclopediaAstrobiologyComputer scienceLibrary sciencePhysics
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Traditional static assessments rely on a subtractive, deficit-based grading model that often penalizes ambition and obscures diagnostic feedback. Conversely, traditional face-to-face oral examinations introduce severe construct-irrelevant variance by exacerbat…
arxiv
Ilya Mikhelson
2026-07-31T16:57:49Z
置信度 0.90
-
Convolutional neural networks (CNNs) are widely used for time-series classification, but their deployment in critical domains requires understanding the temporal and spectral patterns that drive their predictions. Concept extraction (CE) methods identify such …
arxiv
Antonia Holzapfel, Andres Felipe Posada Moreno, Sebastian Trimpe
2026-07-31T16:56:27Z
置信度 0.90
-
The Abstraction and Reasoning Corpus (ARC) tests whether a model can infer an unseen transformation from a few input-output examples and apply it to a new grid. Looped visual reasoners refine predictions over multiple iterations, but conventional training cons…
arxiv
Binnan Liu, Yechi Ma, Tian Xie, Wei Hua
2026-07-31T16:09:44Z
置信度 0.90
-
Symbolic Regression (SR) aims to discover analytical equations from observational data and plays a central role in scientific modeling. While recent Large Language Model (LLM) based approaches show promise, they face two limitations. First, they lack data anal…
arxiv
Boxiao Wang, Runxiang Wang, Kai Li, Chongming Li 等
2026-07-31T15:52:07Z
置信度 0.90
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The iterated learning model was introduced to investigate language evolution: the way in which the characteristic properties of human languages have been shaped, at least partly, by repeated transmission from one language user to another. The key finding is th…
arxiv
Fabio De Ponte, Eloise Gaines-White, Conor Houghton, Seth Bullock
2026-07-31T17:18:57Z
置信度 0.90
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Reinforcement learning (RL) post-training of Vision-Language-Action (VLA) models has shown strong promise for robotic manipulation. Among RL methods, critic-based approaches rely on a value estimator that predominantly operates on single-frame observations or …
arxiv
Senyu Fei, Xiaopeng Yu, Siyin Wang, Xianzhong Zhao 等
2026-07-31T16:48:45Z
置信度 0.90
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LLM agents need memory to act consistently over long interactions, yet many systems use additional LLM calls to operate that memory. Generating intermediate records and mediating their retrieval adds recurring token and time costs, while omitted or merged deta…
arxiv
Yilin Xiao, Zhehan Zhu, Yujing Zhang, Jin Chen 等
2026-07-31T13:01:06Z
置信度 0.90
-
Robust low-light imaging remains challenging for the community. Recent studies have explored fusing Near-Infrared (NIR) with noisy RGB to achieve improved enhancement, yet most methods depend on carefully curated training data pairs, with limited robustness un…
arxiv
Muyao Niu, Mingze Ma, Yifan Zhan, Qingtian Zhu 等
2026-07-31T17:59:18Z
置信度 0.90
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Rendering source code as images offers a promising way to reduce the input costs of Multimodal Large Language Models (MLLMs). Adjusting image resolution can trade visual token cost against content fidelity. However, resolution scaling alone overlooks two sourc…
arxiv
Wenxin Tang, Jingyu Xiao, Zhenyu Liu, Zipeng Xie 等
2026-07-31T17:15:51Z
置信度 0.90
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Generative video compositing, which involves inserting external assets seamlessly into existing video sequences, is essential for content creation and visual effects. However, existing approaches suffer from a control-fidelity trade-off: they either hallucinat…
arxiv
Songchun Zhang, Sitong Guo, Xianghao Kong, Pengwei Liu 等
2026-07-31T16:59:46Z
置信度 0.90
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Ultra-high-definition (UHD) image restoration must balance the aggregation of spatially recurring degradation cues with the preservation of localized image structures. Compact aggregation can reduce redundant processing but may attenuate edges, textures, and o…
arxiv
Jiaxu Su, Zhijian Wu, Jun Li, Bo Zhang 等
2026-07-31T16:23:06Z
置信度 0.90
-
Parameter-Efficient Fine-Tuning (PEFT) commonly adapts large language models using a single shared Low-Rank Adapter (LoRA). This shared optimization space often suffers from interference when adapting heterogeneous task sequences, leading to poor transfer and …
arxiv
Jiajia Tang, Sizhe Yuen, Francisco Gomez Medina, Yali Du 等
2026-07-31T16:33:18Z
置信度 0.90