Notícias · Recifes

Instant digital rewards may make hard thinking feel less worthwhile

Imagine opening a difficult book in a quiet room. The first page is dense. You read one paragraph, then reread it. Nothing "clicks" yet. Your brain is doing what learning often requires: spending effort before the reward arrives. Then your phone lights up. One thumb movement, and

Admin Recifes 15/07/2026 1

This spray-on powder can stop life-threatening bleeding in 1 second

A new spray-on powder developed by KAIST can stop life-threatening bleeding in about one second by instantly forming a strong gel over a wound. It works on deep and irregular injuries where conventional hemostatic products often struggle and remains effective even after years of

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Compromise drives shared risky decisions, but biased blame and credit can break teamwork

Relationships are all about compromise. From deciding on where to eat dinner with a friend to negotiating chore lists at home, we often experience situations that require some flexibility. But what happens when we must work with others—especially people we don't know—to make a ri

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Brown leaves before fall could signal lasting heat damage, researchers warn

Due to increasing heat and drought, forests are turning brown more often before autumn, when leaf senescence normally occurs. It is often unclear whether the trees are actively shedding foliage to avoid a breakdown in water transport or whether browning leaves are a consequence o

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Gentle nudges for increased animal welfare

Gentle purchase incentives can lead customers to choose groceries with higher animal husbandry standards more often. A recent study at the University of Bonn at least suggests this. The researchers used two different animal welfare label posters as "nudges." Each poster changed t

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Country diary: Our pond is a year old – already dragonflies are emerging | Nic Wilson

Hitchin, Hertfordshire: The broad-bodied chaser is often the first to arrive at a new pond, and sure enough, I spot an exuvia clinging to a leaf bladeThe hole in the nest box on our house wall is all mouth. A sparrow chick on the cusp of fledging has thrust its head out, beak ope

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Bioinspired strategy creates complex 3D curved structures via programmed shrinkage

The shape of biological structures, ranging from flower petals to the limbs or organs of animals, is often naturally best suited for performing specific functions. Biological structures also often present curved surfaces with specific functional advantages, such as facilitating t

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Early parenting shapes the brain and socio-sexual behavior, rodent study shows

Past psychology studies have consistently highlighted the importance of social bonds for survival, showing that enduring relationships are linked with a longer life expectancy, a more resilient immune system, better cardiovascular health and a lower risk of psychiatric conditions

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Isotopic signatures link hot spring magmatic water to the subducting Pacific Plate

Water flowing from hot springs near volcanoes often contains a mixture of meteoric water that has percolated underground and a deeper component known as magmatic water. Researchers at the University of Tsukuba used numerical simulations and isotopic data to show that magmatic wat

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Birds' efficient red blood cells convert metabolic 'waste' into fuel for rapid recovery

New research finds that birds can use lactate, often thought of as a metabolic waste product, as a cellular fuel that aids in rapid recovery from a harmful state that impairs oxygen delivery. Hemoglobin, the protein that carries oxygen to our tissues, naturally converts to methem

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Baseline tool could separate alien life signals from geology on ocean worlds

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, scientists can be misled because certain geological processes can produce chemical signat

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Black women academics in my study said their main allies were white men: What this reveals

Universities have a role in challenging the status quo on issues such as gender, race, nationality and sexuality. But all too often, they replicate societal inequalities.

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