SCREWx: A Screwless, Chronic, Recoverable, and Lightweight Neuropixels fixture for freely-moving rodents

Posted by dbos Hopkins

Endothelial type I interferon signaling modulates the vascular response to ischemic brain injury Kavli Affiliate: James Knierim and Kathleen Cullen | Authors: Alexandra Cheng, Tate DeWeese, Yueqing Zhou, Yotaro Sueoka, Sai Koukuntla, Merrill Green, Kathleen Cullen, James Knierim, Austin Graves and Timothy Harris | Summary: High-density Neuropixels probes enable the study of large neural populations […]


Continue.. SCREWx: A Screwless, Chronic, Recoverable, and Lightweight Neuropixels fixture for freely-moving rodents

The First Hubble Detection of a Secondary Eclipse from a Rocky Exoplanet: the 5.4-hour planet TOI-2431 b

Posted by klaurent MIT

Kavli Affiliate: Andrew Vanderburg | Summary:We present an HST/WFC3 G141 phase-curve observation of the ultra-short-period rocky planet TOI-2431 b and detect its secondary eclipse in the near infrared. Combined with the TESS optical eclipse, these measurements constrain the planet’s dayside brightness temperature, reflected light contribution, albedo, and heat redistribution. We detect the eclipse in the […]


Continue.. The First Hubble Detection of a Secondary Eclipse from a Rocky Exoplanet: the 5.4-hour planet TOI-2431 b

SLICE: Unveiling the Multi-Component Merging Core of SPT-CLJ1150-2805 Through Strong-Lensing Mass Modelling

Posted by klaurent Chicago

Kavli Affiliate: Michael Gladders | Summary:We present a new strong-lensing and X-ray mass model of the merging galaxy cluster SPT-CLJ1150-2805 ($z=0.383$), combining JWST NIRCam, HST, Chandra, and VLT/MUSE data to robustly decompose its collisionless and collisional components. Exploiting JWST, we expand the multiple-image catalogue with 66 new images (30 comprising 6 new systems). Our baseline […]


Continue.. SLICE: Unveiling the Multi-Component Merging Core of SPT-CLJ1150-2805 Through Strong-Lensing Mass Modelling

Discovery of minute-scale polarization angle rotation in a supermassive black hole jet

Posted by klaurent MIT

Kavli Affiliate: Herman Marshall | Summary:Relativistic jets from supermassive black holes oriented towards our line of sight called blazars have puzzled the astronomical community for decades. Their fast jets and preferential alignment creates a fog of relativistic effects that obscures their true properties. Optical polarimetry – tracing the uniformity, direction, and evolution of the magnetic […]


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Criticality enabled long-range order in a U(1)-symmetric spin-1 Heisenberg chain with biquadratic interactions

Posted by klaurent Delft

Kavli Affiliate: Natalia Chepiga | Summary:In a recent paper Nahum argued on the basis of a renormalization-group analysis that, contrary to standard lore, ground states of 1D spin chains with short-range interactions can spontaneously break U(1) “easy-plane” spin rotation symmetry. True long-range order of $(S^x,S^y)$ arises at the phase transition between two quasi-long-range-ordered phases. Here […]


Continue.. Criticality enabled long-range order in a U(1)-symmetric spin-1 Heisenberg chain with biquadratic interactions

Optical characterization of excited-state spin Hamiltonians and clock transitions at telecommunication wavelength in Tm3+:YAlO3

Posted by klaurent Delft

Kavli Affiliate: Wolfgang Tittel | Summary:The zero-phonon line (ZPL) between the two excited-state manifolds 3F4 and 3H4 of the trivalent thulium ion in yttrium aluminum perovskite (Tm3+:YAlO3) lies within the telecom E-band at around 1451 nm and exhibits an optical coherence time of a few μs at cryogenic temperatures. To improve this time in view […]


Continue.. Optical characterization of excited-state spin Hamiltonians and clock transitions at telecommunication wavelength in Tm3+:YAlO3

Simulating tidal disruption events in nuclear star clusters

Posted by klaurent Peking

Kavli Affiliate: Rainer Spurzem | Summary:Context. Nuclear star clusters (NSCs) and supermassive black holes (SMBHs) often coexist at the centers of galaxies, engaging in complex dynamical interactions that influence SMBH growth. Stars that approach the SMBH too closely are tidally disrupted, and a fraction of their debris is accreted onto the black hole. Such events […]


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Age-related reorganization of locus coeruleus–cortical functional connectivity gradients

Posted by dbos NTNU

Kavli Affiliate: Maryam Ziaei | Authors: Arjun Dave, Shuer Ye, Xiaqing Lan, Alireza Salami, Heidi Jacobs and Maryam Ziaei | Summary: The locus coeruleus (LC) regulates attention, arousal, and adaptive behavior via widespread noradrenergic projections to cortex, yet its large-scale cortical organization and age-related vulnerability remain poorly understood. Using 7T MRI during naturalistic movie-viewing with […]


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Isoleucine absence from adult human hemoglobin is mirrored in mosquito proteomes and limits malaria parasite growth

Posted by dbos Rockefeller

Kavli Affiliate: Leslie B. Vosshall | Authors: Leah Houri-Zeevi, Martin Kampmann, Manoj T Duraisingh and Leslie B Vosshall | Summary: Amino acid composition within a proteome is conventionally viewed as a property of individual protein function. However, specific nutrient scarcity has been shown to reshape which amino acids are encoded in the genome of microbes. […]


Continue.. Isoleucine absence from adult human hemoglobin is mirrored in mosquito proteomes and limits malaria parasite growth

Convergent evolutionary loss of chemosensory and blood-feeding pathways in non-blood-feeding mosquitoes

Posted by dbos Rockefeller

Kavli Affiliate: Erich Jarvis and Leslie B. Vosshall | Authors: Leah Houri-Zeevi, Philipp Brand, Irene Arnoldi, Alexandra E DeFoe, Jennifer R Balacco, Nadav Shai, Alex Makunin, Umberto Palatini, Takako Toma, Takao Okazawa, Christopher M Stone, Anita Schiller, Olivier Fedrigo, Erich D Jarvis, Mara KN Lawniczak, Ichiro Miyagi, Paolo Gabrieli and Leslie B Vosshall | Summary: […]


Continue.. Convergent evolutionary loss of chemosensory and blood-feeding pathways in non-blood-feeding mosquitoes