Natural and Exact Sciences

31 Items

In this category you can submit preprint articles on physics, chemistry, biology, mathematics, and astronomy and astrophysics. A space dedicated to the exploration of the fundamental principles that govern the natural universe and accurate knowledge.

All Items

Seed coating as an anti-predation strategy: modulating seed predation by wildlife in Sierra Nevada
Lot Amoros, Arturo Moreno Venegas (Author)
- diatomaceus earth
- germination
- seed coating
- seed predation
- Raphanus sativus
- Sierra nevada
Submitted 2025-09-09 - Posted 2025-09-17
An imperfect detection model for quickly and participatively determining the population status of Atelopus varius in the Bribri Indigenous Territory, Costa Rica.
Diego Gomez-Hoyos, Rocío Seisdedos de Vergara (Author)
- Distance sampling
- Monitoring
- Threatened species
Submitted 2025-09-25 - Posted 2025-10-08
A constant self-consistent scattering lifetime in superconducting strontium ruthenate
Pedro L. Contreras E. (Author)
- Constant superconducting lifetime
- Strontium ruthenate
- Unconventional superconductivity
- Ultrasound attenuation
- Electronic thermal conductivity
- Self-consistent method
Submitted 2024-07-06 - Posted 2024-07-06
About the quantum nature of gravitational force I Quantum-mechanical or isolated matte formulation
Pablo Lopez Jimenez (Author)
- Quantum oscillator
- Gravitational pulse
- ´PGM
- Gravitational quantum
- Quantum gravitational theory
Submitted 2025-02-21 - Posted 2025-03-10
About the quantum nature of the gravitational force Quantum-Newtonian or entangled matter formulation
Pablo Lopez Jimenez (Author)
- Gravitational vector
- Universal quantum gravitational
- Gravitational entanglement
- Gravitational Auto Vector
- Gravitational quantum theory
Submitted 2025-03-12 - Posted 2025-03-19
Adaptive NeuroPathway Model (NVA): A Neurobiologically-Based Proposal for Learning Design
Veronica Pantoja (Author)
- Neuroeducation
- Synaptic plasticity
- Deep learning
- Flexible cognition
Submitted 2025-11-28 - Posted 2025-12-16
Algebraic analysis of oscillatory solutions in second order linear differential equations of with complex roots
Andres Felipe Orduz Perez (Author)
- Differential equations
- Complex roots
- Oscillatory solutions
- Algebraic analysis
- Computational visualization
Submitted 2025-04-06 - Posted 2025-04-29
An approach to energy compensation
Maurizio Cavani (Author)
- Compensatory mutations
- Structural coupling
- Intramolecular epistasis
Submitted 2026-06-13 - Posted 2026-06-18
Determination of the environmental impact generated by the tourist transport industry at the Puno pier, using carbon footprint and water footprint calculations - 2025
Alex Uriel Cayo Mamani, Deyvis Manuel Alvarado Sonco, Jonathan Daniel Limachi Coaquira, Jael Calla Calla (Author)
- Water footprint
- Carbon footprint
- Tourism
Submitted 2025-07-01 - Posted 2025-11-11
Diagnosis of parasitic and potentially zoonotic viruses in the domestic pigeon (Columba livia) in three localities in Colombia.
Nubia Matta, Andrés Felipe Aponte-Gutiérrez, Lina Marcela Pérez Arenas, Felipe Andrés Gaitán Albarracín, Brayan Andrés Gamboa-Suárez, Jesús Alfredo Berdugo, Lady Johana Correa-Higuera, Angie Daniela González Galindo (Author)
- Rock Dove
- RNA-virus
- WNV
- Gastrointestinal parasites
- Haemoparasite
- Influenza
Submitted 2025-07-14 - Posted 2025-07-15
Drex e os Limites Institucionais do Dinheiro Digital: O Experimento Interrompido da CBDC Brasileira
Leandro Jorge Yacoubian, Grigor Sahak Ketenchian, Daniel Santo Padilla Garcia (Author)
- Central Bank Digital Currency (CBDC)
- Drex
- Monetary Sovereignty
- Tokenization
Submitted 2025-12-29 - Posted 2026-01-06
Emergent gravitational dynamics from a photon action with an effective refractive index
Vicente Cotrino Bautista (Author)
- Gravitation
- Dark matter
- Dark energy
- Universe expansion
- Black holes
Submitted 2026-03-15 - Posted 2026-03-18
Emergent gravitational effects from the transformation between inertial and non-inertial frames in the observation of a photon
Vicente Cotrino Bautista (Author)
- Emergent gravity
- Non-inertial reference frames
- Photon action
- Effective spacetime metric
- Geodesic equations
- Curvature tensor
- Gravitational lensing
- Galaxy rotation curves
- Cosmological expansion
- Tests of general relativity
Submitted 2026-03-16 - Posted 2026-03-30
Entomobiotechnology (biotechnology in close relationship with insects)
Jose Arnoldo Granadillo Cuello (Author)
- Entomology
- Agrobiotechnology
- Molecular biology
- Agriculture
Submitted 2024-06-03 - Posted 2024-06-08
Estimating blue carbon potential in Cocó state park: An approach using remote sensing products
Mauricio Alejandro Perea Ardila (Author)
- Blue carbon
- Carbon stock
- Urban mangroves
- Climate change mitigation
Submitted 2026-01-19 - Posted 2026-01-21
FDTD analysis of TA waves
Ujjal Mandal (Author)
- Finite difference
- Isotropic medium
- Thermoacoustic
- Courant-Friedrichs-Lewy number
Submitted 2026-03-28 - Posted 2026-03-31
Glued laminated timber
Gabriel Rodríguez (Author)
- Laminated
- Timber
- Glued
- GLT
- Construction
Submitted 2025-08-29 - Posted 2025-09-24
Human consciousness: a residue of the past that projects us into the future
José María Maesa Márquez (Author)
- Consciousness
- Philosofy of Mind
- Theory of consciousness
- Identity
- Metarepresentation
Submitted 2025-09-29 - Posted 2025-10-16
Implementation of Universal Design for Learning (DUA) in higher education: challenges and opportunities
Yessenia Guailla (Author)
- Educational accessibility
- Active learning
- Student diversity
- Inclusive pedagogy
- Institutional transformation
Submitted 2024-12-06 - Posted 2024-12-11
NaturalistaUY in Uruguay: a case of community science in Latin America from a critical perspective
Florencia Grattarola, Lucía Bergós, Magdalena Carabio, Rodrigo Montiel, Solana González (Author)
- Citizen science
- Participatory science
- Environmental education
- iNaturalist
Submitted 2024-08-25 - Posted 2024-08-26
Optimal magnetoelastic control of magnetization switching: energy mechanisms and robustness limits
Ismael Elías Erazo Velasco (Author)
- Magnetoelastic control
- Magnetization switching
- Energy landscape
- Dissipation
- Noise robustness
Submitted 2026-06-03 - Posted 2026-06-11
P.A.V.O.R.A.-T: A Protocol for the Systematic Assessment of Orbital Phenomena and Anomalies in Unbound Trajectories. A stepped Bayesian framework for the detection and characterization of infrastructure technosignatures in interstellar objects.
Marcelo Gallardo Nicolalde (Author)
- Interstellar objects
- Technosignatures
- Bayesian inference
- Vera Rubin
- Scientific protocol
- 3I/ATLAS
Submitted 2025-10-20 - Posted 2025-10-29
Prepublication review or postpublication review
Jose Arnoldo Granadillo Cuello (Author)
- Scientific article
- Peer review
- Open access
- Publication
Submitted 2025-07-01 - Posted 2025-07-16
Quantum Action Network (RAQ): A Dynamic Space-Time Emerging from Action and Torsion
Juan Pablo Alanis, Grok 3 (xAI) (Author)
- Quantum torsion
- Emerent Space-Time
- Cosmoloical predictions
Submitted 2025-02-24 - Posted 2025-03-19
Quantum tunneling in synaptic enzymes as a source of genuine neural variability
Julian Collados (Author)
- Kinetic isotopic effect
- Proton tunnel
- Synaptic variability
- Presynaptic enzymes
- Deuterium
- Inter-spike interval
- Neural criticality
Submitted 2026-05-06 - Posted 2026-05-26

1-25 of 31 Next