Ancient humans possessed sophisticated knowledge of the properties of the stones they used to make tools.
Earth science
Posted inScience Updates
Submarine Avalanche Deposits Hold Clues to Past Earthquakes
Scientists are making progress on illuminating how undersea sedimentary deposits called turbidites form and on reconstructing the complex histories they record. But it’s not an easy task.
Posted inNews
Giant Impacts Might Have Triggered Snowball Earth Events
Running into the right space rock at the right time may have been enough to tip Earth into a runaway cold spell.
Posted inEditors' Highlights
A Strong Pacific Plate Bends Under the Hawaiian Volcanic Chain
Two seismic studies reveal the volcanic loads and resulting flexure of the Pacific plate at the Hawaiian Ridge and, surprisingly, show no magmatic underplating.
Posted inNews
A Long-Lost Tropical Island Lies Off Brazil’s Coast
An undersea volcanic plateau in the southwestern Atlantic was a tropical island 45 million years ago.
Posted inOpinions
Snapping Science in the Field
Snapchat, the multimedia messaging app, offers a range of features that make it an unexpectedly useful tool for geoscientists on the go.
Posted inNews, RTL
التربة المكهربة تزيد نمو النباتات
خمسة أيام من الكهرباء المنخفضة الجهد الموجهة إلى جذور النباتات الناشئة عززت نموها بأكثر من 50 بالمئة.
Posted inThe Landslide Blog
Understanding fatal landslides at global scales
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Over a long period of time, I collected data on landslides that kill people around the world – work that started on a whim but became very interesting. My two most cited […]
Posted inNews
Volcanic Lightning May Have Retooled the Nitrogen Needed for Life
Early Earth’s volcanoes could have spurred lightning that transformed atmospheric nitrogen, creating molecules that would have been necessary for life to emerge.
Posted inResearch Spotlights
Measuring and Modeling Methane Emissions in Wetlands
Scientists zero in on a Delaware salt marsh to study what shapes methane emissions in wetland environments.