Officials in Dayton are aiming to capitalize on backlash against a religious-objections law in neighboring Indiana that critics say could permit discrimination against gays and lesbians.
Neil Conan, host of NPRâ€™s â€œTalk of the Nationâ€, moderates a discussion on where our religious beliefs come from and if religious beliefs have served an evolutionary purpose.
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. Watch the video and download teacher’s guide.
How scientists look at samples of ice to determine past climates/atmospheric conditions. Watch the video and download teacher’s guide.
The effects of fire, climate change, and logging.
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.