Africa Is Rifting Apart, But This ‘Crack’ in Kenya Doesn’t Have Much to Do With It

SCIENCE A widely reported crack in the Great Rift Valley was not formed by tectonic movement, but by erosion of soil from recent heavy rains. (The Guardian) What is the Great Rift Valley? Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas Enormous earthen cracks have emerged around Mai Mahiu, an area in Kenya’s Rift Valley Province, making people … Continue reading Africa Is Rifting Apart, But This ‘Crack’ in Kenya Doesn’t Have Much to Do With It

Another Canyon in Arizona

ENVIRONMENT A not-so-grand canyon has opened in the Arizona desert. How? Why? (Forbes) Learn more about the forces that create earth fissures with our activity. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas The big crack in the Arizona desert is called an earth fissure. What is an earth fissure? Earth fissures are associated with land subsidence, … Continue reading Another Canyon in Arizona

Salty Ancient Seawater Found Beneath Chesapeake Bay

GEOGRAPHY AWARENESS WEEK! SCIENCE Scientists have discovered a pocket of ancient seawater that’s been trapped underground near the mouth of the Chesapeake Bay since the time of the dinosaurs—strong evidence that the Atlantic Ocean was once much saltier than today. (NPR) Did someone say Chesapeake Bay water quality?! Discussion Ideas The pockets of ancient Atlantic seawater found near Cape Charles, Virginia, are twice as salty … Continue reading Salty Ancient Seawater Found Beneath Chesapeake Bay

Water Trapped For 1.5 Billion Years Could Hold Ancient Life

SCIENCE Ancient Water, New Hopes in Search for Life Scientists have discovered water that has been trapped in rock for more than a billion years. The water might contain microbes that evolved independently from the surface world, and it’s a finding that gives new hope to the search for life on other planets. Discussion Ideas: The NPR article says Canada’s 1.5-billion-year-old water was trapped far … Continue reading Water Trapped For 1.5 Billion Years Could Hold Ancient Life