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The Evolution of Religion

12:25PM
November
14, 2011

Neil Conan, host of NPR’s “Talk of the Nation”, moderates a discussion on where our religious beliefs come from and if religious beliefs have served an evolutionary purpose.

Climate and Ice

Glacier
Glacial records can many types of information
4:38PM
September 10, 2011

Part I begins with a video that explains the difference between weather and climate, describes glacier formation, and identifies the types of information that can be found in the glacial record. Download teacher’s guide (PDF, 132K)

Recovering Ice Cores

Recovering Ice Cores still image
Recovering Ice Cores
1:24PM
September 2, 2011

How scientists look at samples of ice to determine past climates/atmospheric conditions. Download teacher’s guide (PDF, 114K)

Animal Structure and Survival Functions

Skull
Skull
7:34PM
August 16, 2011

Examining the skulls of carnivores, herbivores, and omnivores to understand different bone structures

Animal Structure and Survival Functions – Instructor’s Guide

Skull
Skull
7:28PM
August 16, 2011

Examining the skulls of carnivores, herbivores, and omnivores to understand different bone structures

Effects of Disturbance on Biodiversity – Instructor’s Guide

Burned tree
Burned tree
7:18PM
August 16, 2011

The effects of fire, climate change, and logging.

Effects of Disturbance on Biodiversity

Burned Log
Burned Log
7:12PM
August 16, 2011

Effects of fire, climate change, logging

Effects of Human Activity on Natural Change

Old tree
Old tree
6:05PM
August 16, 2011

Increase of forest fires due to warmer temperatures, dryer conditions. Fire can regenerate a forest, turning an old forest into a young one

Effects of Human Activity on Natural Change – Instructor’s Guide

Old tree
Old tree
6:03PM
August 16, 2011

Increase of forest fires due to warmer temperatures, dryer conditions. Fire can regenerate a forest, turning an old forest into a young one

Lookalikes: Extinct and Living Animals

Skeleton
Skeleton of giant ground sloth
5:56PM
August 16, 2011

Examining the skeleton of the (extinct) giant ground sloths, which is related to the modern tree sloth. Examining the skeleton of mammoths, mastodons, and elephants.