Planetary Sciences Jan 15, 2025

Signatures of ice-free ancient ponds and lakes found on Mars

Researchers have discovered two sets of ancient wave ripples on Mars, signatures of long-dried bodies of water preserved in the rock record. Wave ripples are small undulations in the sandy shores of lakebeds, created as wind-driven ...

Earth Sciences Jan 16, 2025

Rockfall frequency from French mountains has doubled since Little Ice Age

The Little Ice Age was a period of significant cooling from the early 14th to mid-19th centuries, which saw mean temperatures across the northern hemisphere drop by up to 2°C and the advancement of glaciers.

Astronomy Jan 15, 2025

Astronomers detect new eclipsing binary system

Using the Transiting Exoplanet Survey Satellite (TESS) and the Next Generation Transit Survey (NGTS), an international team of astronomers has discovered a new eclipsing binary system with a relatively low mass and long orbital ...

Plants & Animals Jan 15, 2025

Invasive pike use marine corridors to colonize new Alaska territory

Northern pike are moving through salt water to invade freshwater habitats in Southcentral Alaska, according to a recent study published in the journal PLOS ONE.

Environment Jan 15, 2025

Over 97 million US residents exposed to unregulated contaminants in their drinking water, analysis reveals

Nearly a third of people in the U.S. have been exposed to unregulated contaminants in their drinking water that could impact their health, according to a new analysis by scientists at Silent Spring Institute. What's more, ...

Social Sciences Jan 15, 2025

In Marvel and DC movies, rough childhoods do not doom characters to become villains

In a study of characters from the Marvel and DC cinematic universes, the amount of potentially traumatic events a character experienced in childhood—as measured by a real-life questionnaire—had no bearing on whether they ...

Plants & Animals Jan 15, 2025

Human-fed red squirrels in Britain develop weaker jaws and flatter skulls

A large team of researchers affiliated with several institutions in the U.K. has found evidence that red squirrels fed by humans in a town on England's west coast lost muscle mass and experienced changes to the shape of their ...

Plants & Animals Jan 15, 2025

Pesticide impacts on bees more complex than expected—effects akin to aging and cancer

A new study shows distinct effects of neonicotinoid pesticide exposure in different bumble bee body parts, explaining why pesticides have diverse harmful effects and highlighting the need for more sensitive safety testing. ...

Plants & Animals Jan 15, 2025

Cavity-nesting birds cleverly use snake skin to protect their young from predators

When a bird drapes its nest with snake skin, it isn't just making an interesting home décor choice. For some birds, it keeps predators at bay.

Plants & Animals Jan 15, 2025

Octopus arms have segmented nervous systems to power extraordinary movements

Octopus arms move with incredible dexterity, bending, twisting, and curling with nearly infinite degrees of freedom. New research from the University of Chicago revealed that the nervous system circuitry that controls arm ...

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