Earth.com, Inc.

Earth.com, Inc.

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In mice, a squeeze of the belly muscles narrowed the skull's largest veins within a tenth of a second, briefly lifting brain blood flow.

A new vaccination guideline offers practical ways to ease pain and fear, with different strategies for babies, children, and adults.

Deep ocean sand analysis may predict how far Earth’s climate will shift: Stanford researchers analyzed global seafloor data from an ancient cooling era, expecting thick sand deposits, but found almost no sand across all seven continents, defying standard models.

Two ordinary feedback loops kept a simple model of the visual cortex from turning chaotic, cutting the swings in its activity by 93%.

An Illinois fossil was reclassified as Jeanerpeton mazonensis, revealing diversity among early amphibian relatives 309 million years ago.

This fish knows its own face. The bluestreak cleaner wrasse (Labroides dimidiatus), a small coral reef fish that eats parasites off other fish, passed the mirror test – something only humans, great apes, dolphins, elephants, magpies and a few other animals were believed to do. Given a parasite-like mark on its throat and then a mirror, six of nine fish tried to scrape the mark off within two hours, some in about 30 minutes. And in photos, it recognizes its own face – not its body. Full story on Earth.com: https://www.earth.com/animals/self-aware-fish-cleaner-wrasse-take-the-mirror-test/ Real footage and photographs, not AI; the tank video is the study's own (cropped, one stretch slowed). Source: Earth.com Credit: Adobe Stock, Shutterstock, Osaka Metropolitan University Tank footage: Sogawa et al. 2025, Rapid self-recognition ability in the cleaner fish, Scientific Reports, https://doi.org/10.1038/s41598-025-25837-0, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).

A fossilized Charnia has been found that kept its 3D shape after being engulfed in sediment on the seafloor just before the Cambrian explosion.

A Mars rover expected lake mud at Jezero Crater's rim but found volcanic rock that had encountered water three separate times.

Seven of nine planetary boundaries are breached, all seven are worsening, and the models behind climate plans may be too optimistic.

A simple breath test could help doctors determine whether suspicious lung nodules are cancerous without immediately turning to invasive procedures.