Here you can find AQA past papers for GCSE chemistry. Use the links below to download question papers and mark schemes. If you’re unsure whether you need Foundation or Higher papers, consult your ...

Creating artificial systems that mimic the functioning of cells is one of the goals of what is known as synthetic biology.

Heterogeneous catalysis—in which catalysts and reactants are of different phases, e.g., solid and gas—is important to many ...

The function of many biologically active molecules requires the presence of carbon-nitrogen bonds in strategic positions. The biosynthetic pathways leading to such bonds can be bypassed through ...

Dopant choice directly impacts semiconductor behavior, affecting conductivity, switching characteristics, and overall device performance and reliability.

Ascentage Pharma Group International ( AAPG) Q4 2025 Earnings Call March 26, 2026 8:00 AM EDT Good day, everyone, and welcome to Ascentage Pharma's 2025 Annual Results Earnings Call. [Operator ...

Welcome to Office Hours, a series brought to you by the Features section! In these articles, Argus writers speak to faculty, ...

Cyclodextrins, a fascinating class of cyclic oligosaccharides, have garnered significant attention due to their unique ...

When methylone was finally banned in 2011, unregulated chemists simply tweaked the molecule to evade the ban, creating new ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

When people start investing, one of the first questions they ask is: What types of investments are available? There are many ways to invest money, each with its own risk level, potential return and ...

Iron and oxygen bind together throughout the body. Most famously, iron binds dioxygen, or two oxygens paired with each other, in hemoglobin that transports oxygen through blood. But iron-oxo compounds ...