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Jump-start your students' curiosity about the natural world with Science Bulletins, a collection of free videos, essays, and interactives. Educator resources provide ways to integrate it into your classroom.

Check out the latest stories from Science Bulletins:

Acid Oceans

Acid Oceans

For marine life, climate change means more than warming—the ocean’s pH is becoming more acidic. See how a biologist recreates an acidic ocean in a lab to test how the change affects sea urchins.

PETM: Unearthing Ancient Climate Change

PETM: Unearthing Ancient Climate Change

A team of researchers takes to the field in Wyoming’s Bighorn Basin to document how the climate, plants, and animals changed during the Paleocene-Eocene Thermal Maximum (PETM).

SALT: Imaging the Southern Sky

SALT: Imaging the Southern Sky

Go behind the scenes as a bold new telescope, the Southern African Large Telescope (SALT), brings world-class astronomy to a developing nation.

Thinking in Symbols

Thinking in Symbols

When and where did human imagination first emerge? Follow the ongoing excavations of an archaeologist who is seeking the earliest evidence of our species’ unique mental powers.

Global Fires: 2002–2008

Global Fires: 2002–2008

See how human activity is changing fire patterns around the world. This video shows global satellite observations of fires before zooming into southern California.

Global Ozone: 2004–2008

Global Ozone: 2004–2008

Watch atmospheric ozone decline over the Antarctic. This animation shows ozone measurements across the globe obtained by NASA’s Aura satellite.

Stunning Supernova Goes 3D

Stunning Supernova Goes 3D

The structure of a supernova that exploded three centuries ago is revealed. Astrophysicists used data from telescopes to reconstruct the first 3D multiwavelength fly-through of a supernova remnant.

Learning vs. Remembering: A Brain Battle?

Learning vs. Remembering: A Brain Battle?

Neuroscientists tested the human brain’s ability to handle two tasks in quick succession: learning new information and recalling information already learned.