Understanding Science

How science REALLY works...

Understanding Science

Learn what science is, how it works, and how it connects to your life

Astronaut Mae Jemison is shown floating within the Spacelab-J module

What is science?

a man wearing protective clothing is reaching over lava flows to collect a sample

How science works

archival photo of Rosalind Franklin looking into a microscope

The core of science

an image of Jane Goodall with a chimpanzee

The social side of science

A Native American woman is pictured in front of Window Rock holding a book

Science and society

vegetables in a supermarket

What has science done for you lately?

a photo of kids on a beach crouching and looking over sand

A scientific approach to life

Science flowchart

Explore the process of scientific inquiry through our interactive Science Flowchart.

Science stories

Illuminating relativity: Experimenting with the stars

Topics:
  • Testing scientific ideas
Disciplines:
  • astronomy
  • physics

Format: single page

two models of atomic structure: one with atoms circling the nucleus in all directions and one where each atom occupies a distinct orbital

A science prototype: Rutherford and the atom

Topics:
  • What is and is not science
Disciplines:
  • physics

Format: multipage

Fair tests in the field of medicine: Aiding Alzheimer patients

Topics:
  • Testing scientific ideas
Disciplines:
  • biology

Format: single page

Woman with dark hair looking through a microscope

The structure of DNA: Cooperation and competition

Topics:
  • Testing scientific ideas
  • The social side of science
Disciplines:
  • biology

Format: multipage

Fair tests in the fossil record: Avoiding extinction

Topics:
  • Testing scientific ideas
Disciplines:
  • biology

Format: single page

The science checklist applied: Cold fusion

Topics:
  • What is and is not science
Disciplines:
  • chemistry
  • physics

Format: single page

Photo of researcher Emilia Huerta-Sánchez

High altitude adaptations: The work of Emilia Huerta-Sánchez

Topics:
  • Science as a human endeavor
  • Testing scientific ideas
Disciplines:
  • biology

Format: multipage

From Caribbean girl to California geologist

Topics:
  • Science as a human endeavor
Disciplines:
  • Earth science

Format: single page

small, ridged, cocoon-shaped fossil next to a ruler

Discovering a strange new group of ancient sea creatures

Topics:
  • Testing scientific ideas
  • The iterative process of science
Disciplines:
  • biology
  • Earth science

Format: single page

Two microscopic images of sand that show crystal-like formations.

Sand is more than meets the eye

Topics:
  • Testing scientific ideas
Disciplines:
  • Earth science

Format: single page

eyes of a person wearing a turbun

ESP: What can science say?

Topics:
  • What is and is not science
Disciplines:
  • pseudoscience
  • psychology

Format: single page

Bundle up your hypotheses

Topics:
  • Testing scientific ideas
Disciplines:
  • astronomy

Format: single page

Beyond the prototype: Animal psychology

Topics:
  • What is and is not science
Disciplines:
  • biology
  • psychology

Format: single page

person wearing army fatigues inserting acupuncture needles into someone's back

A pointed question: Can science study acupuncture?

Topics:
  • What is and is not science
Disciplines:
  • biology
  • pseudoscience

Format: single page

Life size sculptures of mastodons are posed at the Lake Pit of the La Brea Tar Pits and Museum

50,000 years of Los Angeles summers?

Topics:
  • The iterative process of science
Disciplines:
  • biology
  • Earth science

Format: single page

Two white men in suits talk near old fashioned chemistry equipment

Cold fusion: A case study for scientific behavior

Topics:
  • The social side of science
Disciplines:
  • chemistry
  • physics

Format: multipage

White woman in lab coat holding fossil in gloved hand

Ancient bones, modern problems: One scientist’s trash is another scientist’s data

Topics:
  • Testing scientific ideas
  • The iterative process of science
Disciplines:
  • biology

Format: multipage

Fair tests in physics: Examining eclipses

Topics:
  • Testing scientific ideas
Disciplines:
  • astronomy
  • physics

Format: single page

Two women outside, one wearing a neon vest

Scientists, collaborators, and friends dig into the fossil record

Topics:
  • Science as a human endeavor
  • The social side of science
Disciplines:
  • biology
  • Earth science

Format: single page

The science checklist applied: CFCs and the destruction of the ozone layer

Topics:
  • What is and is not science
Disciplines:
  • chemistry
  • Earth science

Format: single page

View all Science Stories

Top teaching resources

How Science Works interactive

How Science Works interactive

Correcting misconceptions

a cartoon depicting a man jumping out of a plane stating: I'm not deploying this parachute until scientists get more certain about this gravity stuff.
Correcting misconceptions

Infographics and teaching tools

A graphic showing a list of questions to evaluate scientific messages.
Infographics and teaching tools

Search the teaching resource database

Search the teaching resource database

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