All stories — Page 30

22 Dec 2025

Managing Holiday Stress

The holidays can bring joy but also stress from family expectations, politics and extra costs. Jason Moser, a clinical psychologist, explains why and suggests short reflection and replacing tools that do not help.

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22 Dec 2025

Young mantas host small fish communities off South Florida

Young Caribbean manta rays often carry groups of other fish near Palm Beach County. Researchers studied videos to see which species use mantas, where they gather, and how boating and fishing can threaten these interactions.

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22 Dec 2025

Wombats use square feces to send messages

A new study finds that wombats leave square-shaped feces at shared latrines. The droppings contain distinct chemical smells, and wombats spend more time investigating non-local scat, suggesting feces may carry social information.

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22 Dec 2025

Winter break activities that build children’s skills

A Virginia Tech educator says families can use everyday tasks during winter break to build thinking, planning and independence. Simple, hands-on activities like baking, budgeting and observing nature teach practical STEM and life skills without formal homework.

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22 Dec 2025

Generative AI that reads emotions to help travellers

Generative AI can read a traveller’s mood and give personalised travel suggestions in real time. It can help before, during and after a trip, but experts warn about privacy when sharing emotional data with AI.

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22 Dec 2025

Study: Whale shark tourism rules broken at El Azul

A study using drone footage found many tourism rule violations at El Azul, a large whale shark site off the Yucatán coast. Researchers recorded boats and swimmers too close to feeding sharks and recommend better monitoring and self-regulation.

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22 Dec 2025

When glaciers may disappear: a new global study

An international study led by ETH Zurich and partners estimates how many glaciers may remain until 2100 and when the fastest losses will happen. It names a 'Peak Glacier Extinction' and gives regional and global scenarios.

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22 Dec 2025

Engineered bacteria produce tagatose sweetener

Tufts researchers engineered Escherichia coli to make tagatose, a rare sugar that can substitute for table sugar. They used a slime mold enzyme and another enzyme to convert glucose, producing higher yields; tagatose is low‑calorie and FDA‑recognized as safe.

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22 Dec 2025

Study: Pollution not main cause of recent energy imbalance

A new study finds that recent changes in air pollution did not drive the recent rise in Earth’s energy imbalance. Opposite aerosol trends in the two hemispheres largely cancel out, so other factors explain the extra heat.

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22 Dec 2025

College students turn to CBD for stress and sleep

New research finds many college students use CBD to manage anxiety, stress and sleep problems. The large survey shows common use of edibles and points to the need for more evidence about benefits and risks.

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22 Dec 2025

How cowbirds make a watery song

Researchers explain how brown-headed cowbirds make a watery timbre by switching between the two sides of the syrinx and by controlled breathing. Starlings raised with cowbirds learned to copy the sounds.

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20 Dec 2025

Hot, humid pregnancy harms child growth more than heat alone

New research in Science Advances shows that hot, humid conditions during pregnancy damage child growth far more than high temperature by itself. The study used a combined metric (WBGT) in South Asia and found much larger prenatal risks when humidity is included.

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