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Scientists map neural wiring of vocal circuits in songbirds

Researchers have mapped the long-range synaptic connections involved in vocal learning in zebra finches, uncovering new details about how the brain organises learned vocalisations. The study provides a framework for understanding how the brain integrates sensory and motor information to guide learned vocal behaviour.

SourceeLife·JournaleLife·DateMar 18, 2025

A brain plasticity mechanism allows the reorganization of the sense of touch during development

Researchers have discovered that the developing brain can reorganize its sensory maps in response to the absence of sensory stimuli from birth. The study found that the thalamic region adapts a genetic profile similar to that of the affected area, enabling cortical reorganization and functional changes.

SourceUniversidad Miguel Hernandez de Elche·JournalNature Communications·TypeExperimental study·DateMar 6, 2025

Don’t know something? Apes can tell

Researchers at Johns Hopkins University found that apes can intuit another's ignorance and communicate unknown information in the name of teamwork. The study demonstrates the rich mental foundations shared by humans and other apes, suggesting that these abilities evolved millions of years ago in common ancestors.

SourceJohns Hopkins University·JournalProceedings of the National Academy of Sciences·DateFeb 3, 2025

Dogs can recognize familiar speakers

Researchers at Eötvös Loránd University found that dogs can recognize their owners based on pre-recorded speech, demonstrating an ability to discriminate between familiar voices. Dogs performed well in matching the correct owner with their voice, with performance best when hearing their main owner's voice.

SourceEötvös Loránd University·JournalAnimal Behaviour·DateDec 17, 2024

Acoustic battles for the harem: How the calls of Siberian wapiti reveal their status and individuality

Researchers found that rutting calls of Siberian wapiti stags reflect their harem-holding status and individual characteristics. The study suggests that these acoustic displays enable females to assess a male's quality from a distance, while also signaling to rivals whether it's worth challenging him.

Bottlenose dolphins “smile” at each other while playing

Researchers discovered that bottlenose dolphins use the open mouth facial expression to signal playfulness and that they mirror each other's expressions 33% of the time. This finding suggests that visual communication plays a crucial role in shaping complex social interactions in marine mammals.

SourceCell Press·JournaliScience·TypeExperimental study·DateOct 2, 2024

Learning like a teenager

Researchers led by Daniela Vallentin successfully rewired zebra finches' brains using optogenetics, expanding their vocal repertoire. The findings have implications for human aging and potential therapies for neurodegenerative diseases and learning impairments.

SourceMax-Planck-Gesellschaft·JournalNature Communications·DateSep 3, 2024

Scientists pinpoint strategies that could stop cats from scratching your furniture

Research reveals that environmental and behavioral factors such as the presence of children, play levels, and personality traits significantly impact cats' scratching behavior. Providing safe hiding places, elevated observation spots, and ample play opportunities can help alleviate stress and engage cats in constructive activities.

SourceFrontiers·JournalFrontiers in Veterinary Science·TypeSurvey·DateJul 3, 2024

Study shows hairy skin does not become less sensitive with age

Researchers found that touch sensitivity declines only in hairless skin regions with age, such as the hands, while hairy areas like cheeks remain sensitive. The study suggests that hairy skin may act as an antenna to transmit mechanical stimuli and preserve touch sensitivity.

SourceFrontiers·JournalFrontiers in Aging Neuroscience·TypeExperimental study·DateJul 2, 2024

Meerkat chit-chat

Researchers from the University of Konstanz and Max Planck Institute of Animal Behaviour found that meerkats use two different types of vocal interactions to communicate within their groups. Close calls are call-and-response exchanges between animals, while short notes announce 'I am here' but don't necessarily get a direct reply.

SourceUniversity of Konstanz·JournalPhilosophical Transactions of the Royal Society B Biological Sciences·DateMay 19, 2024

Genetics provide key to fight crown-of-thorns starfish

Researchers have identified over 2000 protein-coding genes that change significantly between summer and winter in the starfish's reproductive process. This study provides a promising breakthrough in understanding how crown-of-thorns starfish communicate during reproduction, which could lead to the development of natural pest control me...

SourceUniversity of Queensland·JournalPLOS Biology·DateMay 14, 2024

Scientists unlock mysteries of orangutan communication

Researchers have revealed the intricate vocal patterns of Bornean orangutans, shedding light on their complex social behaviors and vocal communication. The study identified three distinct pulse types in their long calls, which play a crucial role in their communication across vast distances.

SourcePeerJ·JournalPeerJ·TypeObservational study·DateMay 14, 2024

Caller ID of the sea

Researchers simultaneously tagged many humpback whales from the same pod to analyze their vocalization and compare individual calls. This study provides new information about whale behavior and communication, crucial for informing future conservation efforts.

SourceSyracuse University·JournalRoyal Society Open Science·DateMar 25, 2024

Wild bird gestures “after you”

Researchers at the University of Tokyo discovered that Japanese tit birds use wing movements as a symbolic gesture to communicate with their mates, mirroring human-like behavior. The study found that the birds' wing-fluttering display prompted the mate to enter the nest box first, while the one who fluttered entered second.

SourceUniversity of Tokyo·JournalCurrent Biology·TypeObservational study·DateMar 25, 2024

Dung beetles show their love by sharing the load

Researchers found that male and female dung beetles work together to transport brood balls to a location unknown to either party. This cooperation results in greater transport efficiency, particularly in the face of obstacles. The mechanism behind this coordination is currently not fully understood.

SourceUniversity of the Witwatersrand·JournalProceedings of the Royal Society B Biological Sciences·DateMar 1, 2024

How do we age?

A new probe has been developed to detect senescent cells in organs, which are associated with many age-related diseases. The probe interacts with an enzyme abundant in senescent cells, producing a fluorescent compound excreted in the urine.

SourceUniversitat Politècnica de València·JournalNature Communications·TypeMeta-analysis·DateFeb 27, 2024