How mRNA Vaccines Work, Step by Step
In late 2020, people who had never thought about molecular biology were suddenly saying “mRNA” over dinner. It sounded brand new. It isn’t. The science goes back decades, and how…

In late 2020, people who had never thought about molecular biology were suddenly saying “mRNA” over dinner. It sounded brand new. It isn’t. The science goes back decades, and how…
The Human body is a work of art. Our immune system is a powerful, beautiful, and resilient machine that silently protects us every day. What is an immune system? Immune…
Last updated: October 30, 2026 · Dr Nidhi Joshi In short: The types of hormones and their functions follow from their chemistry. Hormones are chemical messengers made by glands and…
Recombinant DNA technology is a set of lab methods that cut a gene out of one organism’s DNA with restriction enzymes, join it into a carrier DNA (a vector, usually…
The large complex molecules referred to as proteins, hold a very vital position in the organisms. They are the prime performer in the cells of the bodies and are therefore…
By Dr Nidhi Joshi · Updated October 2026 In short: Genetic engineering means changing an organism’s DNA on purpose with lab tools — by adding, removing, or editing genes —…
Nanoparticles types have touched almost every sphere of the global market with involvement in various industries ranging from cosmetics and healthcare to preservation of the environment and purification of air.…
Drug discovery process and development have a long history since the early days of human civilization. In ancient times, drugs were used for physical remedies and also associated with religious…
Last updated: October 30, 2026 · Dr Nidhi Joshi In short: Vaccine types and classification describe how vaccines are grouped by what they contain: a weakened live germ, a killed…
By Dr Nidhi Joshi Enzymes are biological catalysts made mostly of protein: long chains of amino acids folded into a precise 3D shape. A small pocket called the active site…