Dirty DNA

SCIENCE For the first time, scientists have been able to extract the DNA of ancient hominins from cave dirt. (Smithsonian) Get to know your “Hominin History” with our fun GeoStory. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas A genuinely exciting new study documents how scientists extracted ancient DNA from the dirt of ancient caves. What is … Continue reading Dirty DNA

How Cats Conquered the World

SCIENCE Thousands of years before cats came to dominate Internet culture, they swept through ancient Eurasia and Africa, carried by farmers, mariners and even Vikings. So finds the first large-scale look at ancient-cat DNA. (Nature) Use our video study guide to explore the origins of the domestic cat. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas For … Continue reading How Cats Conquered the World

San People Draft Code of Ethics for Researchers

SCIENCE Scientists have studied the San people of Southern Africa for decades, intrigued by their age-old rituals and ancient genetic fingerprints. Now, after more than a century of being scrutinized by science, the San are demanding something back. The group has unveiled a code of ethics for researchers wishing to study their culture or genetic heritage. (Science) Use our resources to learn more about Africa’s … Continue reading San People Draft Code of Ethics for Researchers

Nature’s Nose Job

SCIENCE New research shows how the width of our nasal passages is literally shaped by the air we breathe. (Smithsonian) Geography can shape cultural characteristics, too. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit, including today’s simple MapMaker Interactive map. Discussion Ideas New research has found some links between the shape of our noses and our geographic ancestry. What … Continue reading Nature’s Nose Job

48 Uses of Dragon’s Blood

SCIENCE Mythology is rich with tales of dragons and the magical properties of their blood. Well, a new study indicates that the blood of the Komodo dragon is, in fact, loaded with proteins that could be used as antibiotics. Giant dragon versus superbug. (The Economist) Why are antibiotics so important these days? Teachers, scroll down for a quick list of key resources in our Teachers … Continue reading 48 Uses of Dragon’s Blood