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. ...

Neuroscience

Vagus nerve stimulation enhances perceptual learning in mice, study suggests

Recent neuroscience studies have been investigating how the stimulation of some nerves, particularly the vagus nerve, using electrical pulses affects neural activity in the mammalian brain. The vagus nerve, the longest cranial ...

Saturn Trojan asteroid confirmed

A small international team of astronomers and astrophysicists has confirmed that asteroid 2019 UO14 is a Trojan asteroid of Saturn. The team has posted a paper describing their study of the asteroid on the arXiv preprint ...

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.

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 ...

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Tech Xplore

Is life possible on a Jupiter moon? NASA goes to investigate

Is there anywhere else in our solar system that could support life? An imposing NASA probe is due to lift off on Monday on a five-and-a-half-year journey to Europa, one of Jupiter's many moons, to take the first detailed ...

Three-armed robot conducts German orchestra

A three-armed robot trained to mimic a human orchestra conductor has made its debut in the German city of Dresden, directing music composed specially to complement the device's skills.

Hubble captures spiral galaxy NGC 5248

The sparkling scene depicted in this NASA/ESA Hubble Space Telescope image is of the spiral galaxy NGC 5248, located 42 million light-years from Earth in the constellation Boötes. It is also known as Caldwell 45. The Caldwell ...

New oak species found in Guangxi

Oak (genus Quercus), comprising approximately 469 species of ornamental and timber trees and shrubs in the beech family (Fagaceae), is a dominant woody lineage in forest ecosystems across the Northern Hemisphere.

Strangler figs prefer large host trees, study finds

The strangler fig, as a hemi-epiphyte, is renowned for its unique "strangling" behavior. Its colonization and establishment on some trees in tropical urban green spaces form a distinctive ecological landscape, enriching the ...

What colors do bees see? And how do we know?

I was reading a children's book about insects to my daughter, and it said that bees see colors differently than humans do. My daughter immediately asked, in short succession: "What colors do they see? Why? How do we know?" ...

SOHO spies bright comet making debut in evening sky

The ESA (European Space Agency) and NASA Solar and Heliospheric Observatory (SOHO) have captured images of the second-brightest comet to ever pass through its field of view during the spacecraft's nearly 29-year career.

Is academic 'TikTok' the future of learning?

There could be more value to vlogging than trying to become an internet personality, with a recent study exploring how the practice could boost university student engagement and ensure their work is authentic.

Eyeing the damage of hurricane season

In the aftermath of hurricanes like Helene and Milton, the damaging effects of these natural disasters are the center of national conversations, including questions about the long-term impact to infrastructure. However, current ...

AI affects everyone—including Indigenous people

Since artificial intelligence (AI) became mainstream over the past two years, many of the risks it poses have been widely documented. As well as fueling deep fake porn, threatening personal privacy and accelerating the climate ...

Understanding the role of octopamine in neurodegeneration

Northwestern Medicine scientists have discovered how octopamine, the major "fight-or-flight" neurotransmitter in invertebrates, communicates with other cells in mammalian brains to prevent cell death, according to a study ...

Blood disc for astronaut diagnosis

Specially designed to operate in weightlessness, this diagnostic disc can identify diabetes, cardiovascular disease and high cholesterol from a single drop of astronaut blood.