Planetary Sciences

Atmospheric oxidation and the creation of modern Mars

Like Earth, Mars was formed about 4.5 billion years ago, but its early surface was very different than today's. Mars' surface then had high rates of meteorite and asteroid impacts from the period known as the Late Heavy Bombardment. ...

Quantum Physics

Study explores the physical origin of errors in a spin qubit processor

To achieve remarkable performances, quantum computing systems based on multiple qubits must attain high-fidelity entanglement between their underlying qubits. Past studies have shown that solid-state quantum platforms—quantum ...

Archaeologists discover Armenia's oldest church

Archaeologists from the National Academy of Sciences of Armenia and the University of Münster have discovered the remains of a previously unknown early Christian church in the ancient city of Artaxata. The find consists ...

Trio wins economics Nobel for work on wealth inequality

The Nobel prize in economics was awarded on Monday to Turkish-American Daron Acemoglu and British-Americans Simon Johnson and James Robinson for research into wealth inequality between nations.

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Tech Xplore

Astronomers observe a strong superflare from giant star

Using the Neutron Star Interior Composition Explorer (NICER) and various ground-based telescopes, an international team of astronomers have performed observations of a strong X-ray superflare which occurred in 2022 on a giant ...

AI-trained vehicles can adjust to extreme turbulence on the fly

In nature, flying animals sense coming changes in their surroundings, including the onset of sudden turbulence, and quickly adjust to stay safe. Engineers who design aircraft would like to give their vehicles the same ability ...

CryoSat reveals ice loss from glaciers

When one thinks of the damage that climate change is doing, it's probable that what comes to mind is a vision of huge lumps of ice dropping off one of the polar ice sheets and crashing into the ocean. While Greenland and ...

Statistical physics reveals how languages evolve

Models based on the principles of statistical physics can provide useful insights into how languages change through contact between speakers of different languages. In particular, the analysis reveals how unusual linguistic ...

Study suggests catalyst for human brain evolution

More than a million years ago, large chunks of the human genome were rearranged—a chance event during egg or sperm formation that led to the deletion, duplication, or reversal of sections of DNA. Those structural variants, ...

How to drive energy efficiency in low-income countries

Credit market failures could slow energy efficiency adoption in low-income countries, according to a new research paper titled "Credit, Attention, and Externalities in the Adoption of Energy Efficient Technologies by Low-Income ...

The human and economic impacts of COVID-19

Throughout its unsteady course, the COVID-19 pandemic has altered the behavior of businesses and households. Those behavioral changes, intensified by government actions like mandatory closures, have had a reverberating impact ...

New succulent species of Euphorbia discovered in Kenya

During a field investigation in open deciduous woodlands covered by lava outcrops in Makueni County, southern Kenya, in September 2018, a shrubby Euphorbia with densely stellate hairs on the abaxial leaf surface attracted ...