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26 articles

Article Open access

Warm subsurface water drives accelerating Antarctic sea-ice loss

Autonomous floats show that heat rising from the deep ocean, not just warmer air, is behind the abrupt decline of Antarctic sea ice since 2016.

Olga Rossi, Jun Patel … Fatima Raman

Lumen · published online 14 October 2026

Article Open access

Hippocampal replay compresses future routes during rest

Before rats take a new path through a maze, sequences of neural activity during rest rehearse it at twenty times real speed.

Kwame Aziz, Jun Park … Elena Bello

Lumen · published online 10 October 2026

Article Open access

Millisecond spin coherence at room temperature in a layered magnet

Spin defects hosted in a two-dimensional magnet stay quantum-coherent for more than a millisecond under ambient conditions, pointing to thin, integrable quantum sensors.

Sun-hee Becker, Diego Raman … Carlos Haddad

Lumen 3, 1–9 (2026)

Review Article Open access

Active matter: from bacterial swarms to robot collectives

Systems made of self-propelled units—from cells to robots—obey shared physical principles that are only now coming into focus.

Aisha Ivanova, Leila Kim … Priya Raman

Lumen 3, 21–30 (2026)

Article Open access

Pollinator networks rewire rapidly during heatwaves

During extreme heat, bees and flowers switch partners within days—keeping pollination going, but at a cost to specialist plants.

Isabel Dlamini, Elena Petrova … Kenji Demir

Lumen 3, 43–52 (2026)

Perspective Open access

Towards a global observing system for soil carbon

Soils hold more carbon than plants and the atmosphere combined, yet we lack the means to measure how that store is changing. It is time to build them.

Elena Patel, Anders Becker … Tomasz Mensah

Lumen 3, 129–138 (2026)