University of California, Santa Barbara

Fossil denticles reveal how ocean productivity shapes shark baselines and recovery potential

Shark populations on coral reefs have declined globally, but few baselines exist to quantify natural variability before human impact. Using fossil dermal denticles preserved in reef sediments, we reconstructed shark communities across the Isthmus of Panama before substantial expl...

Genomic catalogue of giant viruses reveals expanded diversity and functional potential

Nucleocytoplasmic large DNA and Mirusviricota viruses exhibit taxonomic richness which continually expands due to metagenomic sequencing. Here we curate a database of giant virus metagenome-assembled genomes (GVMAGs V2), comprising 8,508 species-level representatives from 18,727...

Covalently Integrated Amorphous Mn x Mo 3 S 13 –GO Chalcocarbogel for High Capacity and Long‐Life Sulfur Equivalent Conversion Electrodes

ABSTRACT Developing long‐life, high‐capacity sulfur‐based electrodes from earth‐abundant elements remains a major challenge because of structural degradation and polysulfide dissolution during multielectron conversion reactions. Here, we report a hybrid amorphous Mn x Mo 3 S 13 –...

Single-ParticleInsight into the Compression of ElectrocatalyticActivity Distributions during Catalyst Poisoning

Abstract Electrocatalyst degradation is a major limitation in sustainable energy conversion, yet nanoscale insight into the interfacial processes governing activity and stability remain poorly understood. Here, controlled molecular poisoning is used as a perturbation to probe how...

Pharmaceutical Pricing and R&D as a Global Public Good.

This paper examines the international variation in the prices of branded pharmaceuticals. We consider short-run profits, or quasi-rents, as representing each country's contribution toward the global public good of therapeutic information embodied in new pharmaceuticals. We charac...