The one thing to know:

Mathematical and theoretical biology uses math and computer models to understand how living things work, from tiny cells to whole populations.

TL;DR

1Math and biology team up to understand living things using models and theories.
2This field helps us predict how biological systems behave, like how diseases spread or how animals grow.
3It's growing fast because of new data, powerful computers, and cool math tools.

Think of it like:

Think of it like building a LEGO castle. You can try to build it by just putting pieces together (experimental biology), or you can draw a plan first, figure out how many blocks you need, and predict how tall it will be before you even start building (mathematical biology).

Imagine you want to understand how a grows, or why some animals have spots and others have stripes. That's where comes in! It's a special part of science that uses math, computer models, and big ideas to figure out the rules for how living things are built, how they grow, and how they act. It's different from just doing experiments in a lab; instead, it uses smart thinking and numbers to make predictions and understand things we can't always see.

Sometimes people call it "mathematical biology" because it uses lots of math, or "theoretical biology" because it focuses on big ideas and theories. But really, they're both about using the power of math to explore the amazing world of life. It helps us see things that might not be obvious just by looking.

A Long History

People have been using math in biology for a very long time! Way back in the 1200s, a smart person named used his famous number pattern to describe how a group of rabbits might grow. Later, in the 1700s, another scientist, Daniel Bernoulli, used math to understand how a sickness called smallpox affected people.

Even the idea of how populations grow, like how many people might live in a city over time, was looked at with math by Thomas Malthus. And a long time ago, a scientist named D'Arcy Thompson wrote a very important book called "On Growth and Form" in 1917, which showed how math shapes living things.

"Mathematics has been used in biology as early as the 13th century, when Fibonacci used the famous Fibonacci series to describe a growing population of rabbits."

“Mathematics has been used in biology as early as the 13th century, when Fibonacci used the famous Fibonacci series to describe a growing population of rabbits.”

Why It's Growing So Fast

In the last 60 years or so, this field has become super popular! There are a few big reasons why.

First, we now have tons of information about living things, especially from studying and . It's like having a giant puzzle with millions of pieces, and math helps us put it all together.

Second, new math ideas like help us understand really tricky, changing systems in biology. And third, computers are way more powerful now! They can do super-fast calculations and run simulations that were impossible before. This means scientists can try out ideas on a computer first, which is sometimes safer and easier than doing experiments on real animals or people.

This rise in computer power and new math tools means we can explore biology in ways we never could before!

What Scientists Study

Scientists use math in many different areas of biology. For example, they use it to understand how our works, which is called computational neuroscience. They also use it to study how of animals change over time, how diseases spread (like a cold going around school), and how different species evolve.

Math helps us understand how cells grow and divide, how tissues in our body are built, and even how patterns like spots on a leopard or stripes on a zebra appear. It's like having a special lens that lets us see the hidden mathematical patterns in nature.

"Ecology and evolutionary biology have traditionally been the dominant fields of mathematical biology."

“Ecology and evolutionary biology have traditionally been the dominant fields of mathematical biology.”

A Cell Cycle Example

One cool example is studying the . This is how cells in our body grow and divide. If something goes wrong with the cell cycle, it can lead to serious problems like cancer. Scientists use math to create models of this process.

These models are like detailed maps that show how different parts of the cell cycle work together. They use special math equations to predict how proteins change over time inside a cell. By changing numbers in their equations, they can see how different things might affect the cell cycle, helping them understand why some cells might become unhealthy.

It's like having a blueprint for a cell that you can test and change on a computer!

Math Tools and Computer Programs

To make these models, scientists often use different types of math tools. Some models are like a step-by-step recipe, always giving the same result if you start the same way. These are called . Other models are more like rolling dice, where there's a bit of randomness involved; these are called .

They also use special computer programs, like COPASI or Virtual Cell, that help them build and test these complex biological models. These programs are like super-smart calculators designed just for biology problems.

Why does this matter?

It helps doctors understand how diseases spread and how to stop them, like predicting a flu outbreak.
It can help us protect animals by understanding how their populations grow and change.
It leads to new medicines and treatments by helping us understand how our bodies and cells work at a very deep level.