Of Cod and Climate

SCIENCE Ancient cod bones unearthed at an Alaska archaeological site carry a very modern warning for a world with a rapidly changing climate—as sea levels rise, so do levels of mercury in the food web. (Alaska Dispatch News) Use this activity to learn more about marine food webs. Teachers, scroll down for a short list of key resources in our Teachers’ Toolkit. Discussion Ideas The Alaska … Continue reading Of Cod and Climate

The Incredible Shrinking Planet

SCIENCE Like a raisin spinning around the sun, Mercury is shrinking and wrinkling. The planet is now about 14 kilometers (8.6 miles) smaller in diameter than it was nearly four billion years ago. (National Geographic News) Use our resources to learn more about Mercury and the other planets in our solar system. Discussion Ideas The Nat Geo News article mentions scarps and rupes—”Mercury’s version of … Continue reading The Incredible Shrinking Planet