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Science X / Salmon make clicking sounds when stressed—but no one knows how

It's noisy underwater, especially just below the surface. "A lot of the ambient noise is from the wind and waves," says Kristbjörg Edda Jónsdóttir, who is a research scientist at SINTEF, where she found out how much noise ...

May 12, 2026
Medical Xpress / Centuries-old medicine benefits heart failure patients, studies show

A low dose of digoxin ensures that people with heart failure are hospitalized and die less frequently. This emerges from three studies led by UMCG cardiologists Dirk Jan van Veldhuisen, Kevin Damman, and Peter van der Meer. ...

May 12, 2026
Phys.org / Amazon's carbon clock is speeding up, and violent storms may be only part of why

Tropical forests store more than 60% of the world's vegetation biomass and are among the most important ecosystems for regulating the global carbon cycle and climate. However, their regulatory role is greatly influenced by ...

May 13, 2026
Medical Xpress / Ultrasound has potential to alter how the brain responds to pain

Using ultrasound to stimulate a specific part of the brain could offer a noninvasive therapy that benefits those experiencing chronic pain, a new study has suggested.

May 13, 2026
Phys.org / How we feel political emotions in our bodies—and why this matters for democracy

Researchers have found our emotions toward politics not only play on our minds, but shape how our bodies respond to political experiences, even driving political participation higher. The new study, published in the Proceedings ...

May 12, 2026
Medical Xpress / A new approach to cancer vaccination yields more powerful T cells

MIT engineers have developed a new way to amplify the T-cell response to mRNA vaccines—an advance that could lead to much more powerful cancer vaccines and stronger protection against infectious diseases.

May 13, 2026
Medical Xpress / Tiny hands, big clues: How babies learn to help their caregivers

Does your infant put their arm through their sleeve when you get them dressed? As you sort laundry, does your toddler pick up the shorts you dropped? These are examples of how infants help by participating in shared activities. ...

May 13, 2026
Phys.org / SNOR protein provides 'all-clear' signal for dormant cells to resume normal operations

It's a tough world for microbes. When resources grow limited and environments worsen, microbes have figured out ways to hunker down and go dormant until conditions improve.

May 13, 2026
Phys.org / Old newspapers track porpoise populations across the Baltic Sea

Harbor porpoises were once found across a much wider area of the Baltic Sea than they are today, including regions where they are now rare or absent. This is shown in a new study that uses centuries-old Swedish newspapers ...

May 12, 2026
Phys.org / How water fleas detect their predators

Daphnia, also known as water fleas, are artists of defense. When their predators live nearby, the water fleas change their body structure to make themselves more difficult to eat. Professor Linda Weiss from Ruhr University ...

May 13, 2026
Tech Xplore / Hybrid AI architecture could turn neuromorphic systems into reliable discovery machines

The artificial intelligence (AI) machines that guide the world can be grouped into three main categories: inference machines, learning machines and discovery machines. Researchers at Washington University in St. Louis are ...

May 11, 2026
Phys.org / Brazilian microfossils interpreted as animal traces are actually algae and bacteria, research reveals

A reexamination of microfossils found in the Brazilian state of Mato Grosso do Sul shows that the marks previously interpreted as traces of worms or other small oceanic animals are actually communities of fossilized microscopic ...

May 11, 2026