Detailed price information for Americas Gold and Silver Corp (USAS-A) from The Globe and Mail including charting and trades.

Americas Gold and Silver is pleased to announce the discovery of seven new high-grade silver-copper-antimony veins and three new high-grade silver-lead veins at the Galena Complex. The Company is also ...

Cambridge scientists have discovered a light-powered chemical reaction that lets researchers modify complex drug molecules at the final stages of development. Unlike traditional methods that rely on ...

A surprising lab discovery reveals a light-powered way to tweak complex drugs faster, cleaner, and later in development.

Drug discovery is like molecular Tetris. Chemists snap atoms together, adjusting the pieces until everything fits, and ...

Multi-titanium hydrides can selectively snip the strong structural bonds of stable organic molecules called pyridines, RIKEN researchers have shown. This discovery could guide designing catalysts for ...

Drugmaker called on FDA to initiate recall ...

Copperfield lambasts the additional workload that the 2026/27 contract's new QOF requirements will dump onto GPs ...

Complementary biochemical and structural findings reveal molecular principles underlying substrate selectivity by a model hyaluronan synthase.

An interdisciplinary APL team created ATLAS, an artificial intelligence co-investigator that automates testing, learning, and synthesis for microcapsules, which has decreased human labor required per ...

Evidence is provided suggesting that aggregate neural activity at an early stage of visual processing (V1) can directly contribute to perceptual decisions in humans.