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Materials Science Feb 26, 2016

Scientists achieve perfect efficiency for water-splitting half-reaction

(Phys.org)—Splitting water is a two-step process, and in a new study, researchers have performed one of these steps (reduction) with 100% efficiency. The results shatter the previous record of 60% for hydrogen production ...

Astronomy Jan 6, 2022

Sending tardigrades to the stars

No longer solely in the realm of science fiction, the possibility of interstellar travel has appeared, tantalizingly, on the horizon. Although we may not see it in our lifetimes—at least not some real version of the fictional ...

Archaeology Sep 20, 2021

Evidence that a cosmic impact destroyed ancient city in the Jordan Valley

In the Middle Bronze Age (about 3,600 years ago or roughly 1650 BCE), the city of Tall el-Hammam was ascendant. Located on high ground in the southern Jordan Valley, northeast of the Dead Sea, the settlement in its time had ...

Archaeology Jun 7, 2022

Colombia shares unprecedented images of treasure-laden wreck

Colombia's army has shared unprecedented images of the legendary San Jose galleon shipwreck, hidden underwater for three centuries and believed to have been carrying riches worth billions of dollars in today's money.

Earth Sciences Sep 30, 2021

Earth is dimming due to climate change

Warming ocean waters have caused a drop in the brightness of the Earth, according to a new study.

Earth Sciences Nov 20, 2023

Study examines how massive 2022 eruption changed stratosphere chemistry and dynamics

When the Hunga Tonga-Hunga Ha'apai volcano erupted on January 15, 2022 in the South Pacific, it produced a shock wave felt around the world and triggered tsunamis in Tonga, Fiji, New Zealand, Japan, Chile, Peru and the United ...

Environment Sep 24, 2020

Unusual climate conditions influenced WWI mortality and subsequent Spanish flu pandemic

Scientists have spotted a once-in-a-century climate anomaly during World War I that likely increased mortality during the war and the influenza pandemic in the years that followed.

Earth Sciences Apr 11, 2023

Warm liquid spewing from Oregon seafloor comes from Cascadia fault, could offer clues to earthquake hazards

The field of plate tectonics is not that old, and scientists continue to learn the details of earthquake-producing geologic faults. The Cascadia Subduction Zone—the eerily quiet offshore fault that threatens to unleash ...

Superconductivity Jun 22, 2023

Physicists discover a new switch for superconductivity

Under certain conditions—usually exceedingly cold ones—some materials shift their structure to unlock new, superconducting behavior. This structural shift is known as a "nematic transition," and physicists suspect that ...

Molecular & Computational biology Jun 12, 2021

'Space pups': Mouse sperm stored on ISS produces healthy young

Turns out the comic books were wrong.

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