1 - 12 of 16 results
Gorongosa's Water Cycle

This animation illustrates the main stages of the water cycle in Gorongosa National Park, an ecosystem that experiences both wet and dry seasons.

Coral Reefs and Global Warming

This activity allows students to use authentic scientific data to make claims about the threat of coral bleaching for reefs around the world.

Extreme Life of the Sea

In this talk, marine biologist Stephen Palumbi compares threats to biodiversity in the ocean to threats on land.

Lactose Intolerance: Fact or Fiction

In this activity, students evaluate and discuss statements about the evolutionary relationship between milk consumption and lactose tolerance discussed in the short film Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture.

Milk: How Sweet Is It?

In this activity, students simulate a lactose tolerance test, similar to the one shown in the short film The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture, to determine which samples contain the lactase enzyme.

How The Body Uses Fat

This tutorial explores how fat is digested, transported, stored, and used for energy.

Molecular Structure of Fat

This tutorial describes the various forms of “fat” — from a tissue, to a cell type, to a class of molecules.