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Caddisfly silk gene evolves quickly without losing adhesive power

Caddisflies are among nature's master underwater builders, capable of spinning sticky silk that they use to form protective cases and webs in freshwater streams. Scientists like the University of Utah's Russell Stewart have long studied this bioadhesive material in the hope of us

Admin Recifes 15/07/2026 2

Indigenous peoples in the Amazon face massive cultural and ecological loss due to climate

The Amazon region, Earth's most important ecosystem, is home to more than 400 Indigenous groups that use thousands of rainforest plant species. They pass on their knowledge of the flora primarily through oral tradition, usually from parents or other family members to their childr

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Planting the future: Researchers put AI to work on the farm

Farmers are getting more tools in their toolbox, thanks to new research from the University of Missouri that shows how they can tweak planting practices to make the most of every acre.

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Trees keep absorbing carbon long after they stop growing

Oak trees keep absorbing carbon dioxide long after their annual growth has ended, revealing that photosynthesis and wood production are not as closely linked as scientists once believed. The finding could reshape forecasts of how much carbon forests will be able to store in a war

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A vitamin A discovery is changing what scientists know about vision

A surprising discovery is reshaping scientists' understanding of how humans develop sharp central vision before birth. Instead of blue cone cells migrating away from the retina's center, the study found they transform into red and green cones under the influence of vitamin A-rela

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One in four managers withholds feedback from those they supervise, even when the news is p

Performance feedback is critical for supporting career and education decisions, but in a new study published in Management Science, a research team from the University of Portsmouth, the University of Exeter and York University uncovered a striking pattern of managers partially o

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Certifying third-party repairs retains customers, signals utility left in goods

Certifying a third-party repair service can help companies retain customers by signaling that there's value, or "unused utility," left in broken products, according to a team led by Penn State researchers. The researchers, who were raised by parents and grandparents with what the

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Stress protection of Amazon trees, induced by climate warming, may alter atmosphere chemis

The Amazon rainforest is one of the largest carbon reservoirs on Earth. It is also the world's largest source of biogenic volatile organic compounds (VOCs). These carbon-based gases are naturally released by vegetation. They protect trees against various sources of stress, e.g.,

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Self-propelled microparticles scrub stubborn biofilms, improving wound care and instrument

Newly developed microparticles can infiltrate stubborn bacterial matrices and release tiny oxygen bubbles to clean surfaces and wounds more efficiently than hydrogen peroxide or other cleaning agents alone, researchers at the University of Illinois Urbana-Champaign report. In two

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Medieval Islamic societies considered lovesickness a distinct mental illness, research sho

Lovesickness was taken seriously as a distinct mental illness by physicians in the medieval Islamic world, new research shows. Islamic scholars considered lovesickness, which they called ʿishq, to be different from melancholy—unlike Galen and other physicians from ancient Greece.

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Parents direct more threats toward school administrators than teachers

In K–12 schools across the country, administrators are tasked with keeping everyone safe. New research shows they may be the most in need of protection.

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AI reveals hidden San Andreas Fault movements

When people think about geological faults, they usually think about earthquakes. Yet faults do not move only during earthquakes. Sometimes they slip silently, without generating noticeable shaking, releasing stress over hours or days through slow fault movements that remain large

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