The plant-based nitrogen eaten by ostriches and stored in their eggshells was measured by researchers 20,000 years later.
paleoclimatology & paleoceanography
Posted inFeatures
There is No JOIDES in Mudville
After almost 4 decades of research, the JOIDES Resolution will retire in 2024, leaving the ocean floor in peace (for now).
Posted inNews
Water Corridors Helped Homo sapiens Disperse out of Africa
Wetland conditions during the last interglacial period in parts of the Levant helped propel our ancestors into Arabia, new research suggests.
Posted inNews
A Strong Quake (or Two) Rattled Puget Sound 1,100 Years Ago
Tree rings hint that two neighboring faults ruptured within 6 months of each other and suggest that the maximum magnitude of quakes around Puget Sound could exceed previous estimates.
Posted inNews
Arenas de aguas profundas y dónde encontrarlas
Antiguas avalanchas submarinas llevaron arena al abismo oceánico en el momento en que algunos menos lo esperaban.
Posted inNews
Ancient Mars May Have Had a Cyclical Climate
Hexagonal structures in sediments are evidence of repeated wet and dry conditions on the Red Planet.
Posted inNews
Greenland Was Much Greener 416,000 Years Ago
A fresh analysis of a historic ice core has revealed evidence of a much smaller ice cap.
Posted inNews
Evidence of Earth’s Oldest Glaciers Found in South Africa
The ancient glaciers hint at an Archaean Earth that may have looked similar in some ways to our own time.
Posted inNews
Humans Adapted to Diverse Habitats as Climate and Landscapes Changed
Long-term changes in Earth’s climate affected the dispersal of human ancestors and their adaptation to diverse habitats, a new study finds.
Posted inNews
Supersized Potholes Discovered off South African Coast
Curious circular pits off South Africa’s Eastern Cape coast are larger than any similar feature previously recorded. Their origin remains a morphological mystery.