Search results for hydrosphere

Earth Sciences Apr 06, 2021

The Deep-time Digital Earth program: Data-driven discovery in geosciences

Humans have long explored three big scientific questions: the evolution of the universe, the evolution of Earth, and the evolution of life. Geoscientists have embraced the mission of elucidating the evolution of Earth and ...

Biochemistry Oct 22, 2020

Structure of photosystem protein supercomplex from diatom reveals its highly sophisticated energy transfer network

Diatoms are a group of phytoplankton that is widely distributed in the hydrosphere and even in moist soil. They play important roles in global carbon-oxygen cycles and provide valuable products and biomasses. Diatom cells ...

Earth Sciences Sep 28, 2020

The mysterious luminescence phenomena of earthquake lightning

Were you aware that earthquakes are sometimes associated with luminescence, called earthquake lightning? This phenomenon had been documented throughout history, such as between 1965 and 1967, the Matsushiro earthquake swarm ...

Earth Sciences Sep 28, 2020

Anomalous viscosity of basaltic melt at mantle conditions constraining the timescales of the early magma oceans

Researchers at the University of Saskatchewan, Canada, along with their collaborators at Zhejiang University of Technology, China, and RIKEN Center for Computational Science, Japan, made significant advances in constraining ...

Space Exploration Jul 03, 2020

How life on Earth could help us find life on Mars

In our continuing search for other life in the universe, one place has always looked promising—Mars. It is a rocky planet like Earth, orbiting the same star, and at a distance where water could have been present on the ...

Environment Oct 09, 2019

Grim projections for the ocean—and the life within it

The chain of causation that connects rising concentrations of greenhouse gases in the atmosphere to the marine biota has been made clearer by the Intergovernmental Panel on Climate Change (IPCC) report "Special Report on ...

Environment Jul 02, 2019

When drought threatens crops: NASA's role in famine warnings

NASA's satellite imagery and model forecasts regularly help agricultural and aid agencies to monitor the performance of crops worldwide and prepare for food shortages.

Earth Sciences Jul 01, 2019

Why is the Earth's F/Cl ratio not chondritic?

Primitive chondrites, un-molten stony meteorites, are believed to be the building blocks of the Earth. Because terrestrial planets have experienced chemical differentiation in the core, mantle, and hydrosphere, the elemental ...

Condensed Matter Jun 26, 2019

Low-temperature aqueous alteration of Martian zircon during the late Amazonian period

Many accounts at present support the presence of liquid water on Mars, where hydrated minerals testify to past processes of aqueous weathering in Martian meteorites such as NWA 7533/7034. Planetary scientists aim to estimate ...

Earth Sciences Jan 23, 2019

Planetary collision that formed the moon made life possible on Earth

Most of Earth's essential elements for life—including most of the carbon and nitrogen in you—probably came from another planet.

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