A whiff of tears reduces male aggression, says study

Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression.

Immune cells move more independently than previously thought

Human immune cells are capable of coordinating their own movement more independently than previously thought. InFLAMES researcher Jonna Alanko has discovered that immune cells do not just passively follow the chemical cues ...

Heat-stressed fish embryos can induce stress in nearby embryos

Heat-stressed fish embryos release chemical signals that change the appearance, behavior, and development of fish embryos that were not heat stressed, according to a study. Stress during development can change how an embryo ...

Why can't we predict volcanic eruptions like we do hurricanes?

While the Cumbre Vieja eruption in La Palma, Spain, is said to have cost EUR 843 million, thankfully, only one casualty was reported. While the emergency response is celebrated, the event has sparked questions about how much ...

New hair dyes avoid allergic reactions

A bad dye job is bad enough on its own, but an itchy and irritating allergic reaction to it is even worse. And people who become allergic to hair dye can develop reactions to many other common substances, transforming a simple ...

Fine-tuning gene expression during stress recovery

Scientists have discovered non-coding RNA has a novel role to fine-tune gene expressions during stress recovery, getting closer to uncovering a 30-year-old nuclear mystery.

Decoding the scent of a plant

The plant and animal kingdoms are rich in odors that function as key communication modules. Specifically, the interactions between plants and insects come with a plethora of odor exchanges. While some scents help attract ...

Plants defend against insects by inducing 'leaky gut syndrome'

Plants may induce "leaky gut syndrome"—permeability of the gut lining—in insects as part of a multipronged strategy for protecting themselves from being eaten, according to researchers at Penn State. By improving our ...

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