Search chemistry content and suppliers

Expert-curated indexes and filters

4Chemistry combines domain-specific indexes, search algorithms, and AI to help chemists, students, and procurement teams find relevant content faster. Use curated filters, structure-aware search, and integrated tools to locate papers, vendors, protocols, and safety information tailored to chemistry. Part of the 4SEARCH network of topic specific search engines.

🏈 Super Bowl Coverage For the best Super Bowl coverage, go to 4Football.com

Latest News & Web Pages

Earth.com
earth.com > news > life-may-have-learned-to-use-oxygen-long-before-it-filled-earths-air

Life may have learned to use oxygen long before it filled Earth’s air

Life may have learned to use oxygen long before it filled Earth’s air1+ hour, 42+ min ago   (1001+ words) Oxygen feels like the most ordinary thing in the world now. We breathe it, plants make it, and most animals depend on it." But for most of Earth's history, oxygen wasn't a stable part of the atmosphere at all. Scientists…...

Quantum Zeitgeist
quantumzeitgeist.com > ai-molecular-editor-reshapes-molecules-human

AI ‘molecular Editor’ Reshapes Molecules With Human-Level Precision And Control

AI ‘molecular Editor’ Reshapes Molecules With Human-Level Precision And Control2+ hour, 22+ min ago   (497+ words) Researchers have developed a new artificial intelligence agent, El Agente Estructural, capable of precisely manipulating molecular structures in three dimensions using natural language instructions, offering a significant advance over existing molecular modelling techniques by directly mimicking expert human control without…...

Quantum Zeitgeist
quantumzeitgeist.com > interstellar-molecule-hnso-builds-dust

Interstellar Molecule HNSO Builds Up On Dust, Offering Clues To Life’s Origins

Interstellar Molecule HNSO Builds Up On Dust, Offering Clues To Life’s Origins2+ hour, 38+ min ago   (462+ words) A broken-symmetry DFT approach was employed to describe low-spin reactive channels, balancing computational cost with the need to account for multiconfigurational character in the reactions. This methodology successfully duplicated previously characterised potential energy surfaces for radical NSO and SNO, confirming…...

Quantum Zeitgeist
quantumzeitgeist.com > 25-percent-quantum-complex-chemical-calculations-made-cheaper

Complex Chemical Calculations Made 25% Cheaper With New Quantum Technique

Complex Chemical Calculations Made 25% Cheaper With New Quantum Technique2+ hour, 58+ min ago   (278+ words) This work introduces an active space UCCSD(4)/MP2 method, effectively partitioning the complex calculations to make them tractable for both classical computers and emerging quantum hardware. The methodology centres on a truncation of UCCSD, performed within a selected active space, coupled…...

Science Times
sciencetimes.com > articles > 61293 > 20/26/0210 > why-ice-slippery-unraveling-friction-physics-behind-fascinating-mystery.htm

Why Ice Is Slippery: Unraveling the Friction Physics Behind a Fascinating Mystery

Why Ice Is Slippery: Unraveling the Friction Physics Behind a Fascinating Mystery4+ hour, 20+ min ago   (1278+ words) On a winter morning, stepping onto a patch of ice can feel like stepping onto a hidden tightrope. What makes ice so slippery, and why it sometimes feels more treacherous than expected, is a question that has puzzled scientists for…...

AZoM
azom.com > news.aspx

A Quick Stretch Switches this Polymer’s Capacity to Transport Heat

A Quick Stretch Switches this Polymer’s Capacity to Transport Heat4+ hour, 33+ min ago   (895+ words) Most materials have an inherent capacity to handle heat. Plastic, for instance, is typically a poor thermal conductor, whereas materials like marble move heat more efficiently. If you were to place one hand on a marble countertop and the other…...

Science Times
sciencetimes.com > articles > 61288 > 20/26/0210 > worlds-strongest-materials-compared-graphene-vs-steel-vs-diamond.htm

The World's Strongest Materials Compared: Graphene vs Steel vs Diamond

The World's Strongest Materials Compared: Graphene vs Steel vs Diamond4+ hour, 54+ min ago   (615+ words) Strength means different things depending on how a material is used. In material science, the strongest materials are not judged by one number but by how they resist pulling, bending, cracking, or scratching under force. Graphene, steel, and diamond often…...

Science Times
sciencetimes.com > articles > 61287 > 20/26/0210 > 10-chemical-reactions-that-look-like-magic-are-actually-real-science.htm

10 Chemical Reactions That Look Like Magic (But Are Actually Real Science)

10 Chemical Reactions That Look Like Magic (But Are Actually Real Science)4+ hour, 55+ min ago   (418+ words) Chemical reactions can produce stunning visual effects that seem almost unreal at first glance. From erupting foam to flashing color changes, these reactions reveal how energy and matter interact in dramatic ways. The examples below showcase real chemistry principles through…...

Quantum Zeitgeist
quantumzeitgeist.com > quantum-material-shifts-state-demand-paving

Material Shifts State On Demand, Paving The Way For Controllable Quantum Devices

Material Shifts State On Demand, Paving The Way For Controllable Quantum Devices6+ hour ago   (312+ words) Initial ARPES data of pristine GdPS displayed a small pocket at the Y point and deeper binding energy features, consistent with first principles calculations. Detailed band dispersion mapping along the "-Y-" direction confirmed a substantial band gap of approximately 0.74 eV at…...

Quantum Zeitgeist
quantumzeitgeist.com > 94-percent-efficiency-chemical-simulations-boosted-technique-achieving

Chemical Simulations Boosted With New Technique Achieving 94% Efficiency

Chemical Simulations Boosted With New Technique Achieving 94% Efficiency6+ hour, 31+ min ago   (334+ words) A unified MPI parallelization strategy underpinned this work, abstracting each computational step of wave function methods as a dynamically-scheduled loop utilising ghost processes. This approach facilitated a global reduction of local results from each node, enabling efficient distribution of computational…...