Skip to content
Mon, Oct 12, 2026 / Ideas for a clearer worldINDEPENDENT INSIGHTS · PRACTICAL TOOLS · EXPLAINERS
Sign in
BROWSE THE ARCHIVE

Author: Rajil TL

Rajil TL is a SenseCentral contributor focused on tech, apps, tools, and product-building insights. He writes practical content for creators, founders, and learners—covering workflows, software strategies, and real-world implementation tips. His style is direct, structured, and action-oriented, often turning complex ideas into step-by-step guidance. He’s passionate about building useful digital products and sharing what works.

Basics

DNA Double-Helical Structure

DNA has a double-helical structure. It is composed of two strands, or polymers, of nucleotides. The strands are…

July 12, 2021 · Rajil TL
Basics

Nucleic Acids

Nucleic acids are key macromolecules in the continuity of life. They carry the genetic blueprint of a cell and…

July 12, 2021 · Rajil TL
Basics

Proteins, Hormones & Amino acids

Proteins Protiens are one of the most abundant organic molecules in living systems and have the most diverse…

July 12, 2021 · Rajil TL
Basics

Lipids

Lipids include a diverse group of compounds that are united by a common feature. Lipids are hydrophobic (“water-fearing”), or…

July 12, 2021 · Rajil TL
Basics

Biological Molecules

The large molecules necessary for life that are built from smaller organic molecules are called biological macromolecules. There are…

July 12, 2021 · Rajil TL
Basics

Buffers, pH, Acids, and Bases

The pH of a solution is a measure of its acidity or alkalinity. You have probably used litmus paper,…

July 12, 2021 · Rajil TL
Cell Biology

Water

Do you ever wonder why scientists spend time looking for water on other planets? It is because water…

July 12, 2021 · Rajil TL
Basics

Chemical Bonds

How elements interact with one another depends on how their electrons are arranged and how many openings for…

July 12, 2021 · Rajil TL
Basics

Carbon Dating

Carbon-14 (14C) is a naturally occurring radioisotope that is created in the atmosphere by cosmic rays. This is…

July 12, 2021 · Rajil TL
Cell Biology

Voltage-gated sodium channels

Introduction Voltage-gated sodium channels are responsible for action potential initiation and propagation in excitable cells, including nerve, muscle,…

July 12, 2021 · Rajil TL