New research uncovers seven crocodile species in a single 13-million-year-old bone bed, including new mollusk-crunching species.
Caribbean, instead of today’s pattern of eastward river flow
This geologist made two major contributions to our understanding of how the Earth works.
the 5E Instructional Model to develop a conceptual flow
Some organisms are more sensitive to changes in salt than others.
the 5E Instructional Model to develop a conceptual flow
From slow creeping continents to ground-splitting quakes, the Earth is constantly changing. Take a peek at our planet’s layers, learn what secrets rocks reveal, and gain a long view of history.
out of the core and in the mantle makes the mantle flow
Get your hands dirty with these activities! On the OLogy website you’ll find experiments, coloring books, model-making instructions and more.
Hands-on Slowing the Flow How do mammals respond
Since their discovery in 1886, the Witwatersrand deposits have yielded more than 40,000 tons of gold.
eroded out of quartz veins, were concentrated by the flow
Tiny particles of metal sulfide and oxide minerals, resembling black “smoke,” billow from the hot-water vents.
As the hot water continues to flow, a chimney-like
abyssal ocean The deep ocean that lies in water depths of 4,000 meters or deeper.Acasta gneiss The oldest rock dated on Earth, found in the Northwest Territories, Canada.accretion Th…
the 5E Instructional Model to develop a conceptual flow
Ice shelves are massive, floating platforms of ice that surround the ice-covered continents of Antarctica and Greenland. When they melt, sea level isn’t directly affected, because this ice is already in the ocean.
Ice flow plays an important role in everything from
Research into fishes shows that those using bioluminescence for communication diversify faster than those that use it for camouflage.
obvious physical barriers to reproduction and gene flow
