Study indicates 'Alala calls have changed

A study published in the January edition of the journal Animal Behaviour documents significant changes in the vocalizations that 'alalā make today, when compared with those recorded in the wild more than a decade ago. The ...

Traffic noise reduces birds' response to alarm calls

Pollution can take many forms—including noise. Excess noise in the environment from sources such as traffic can have negative effects on animals that rely on sound to communicate and get information about their surroundings. ...

Songbirds sound the alarm about traffic noise

A new study led by Pacific University biologist Chris Templeton demonstrates that the alarm calls of songbirds are dramatically impaired by road traffic noise. Research by Templeton and colleagues has shown that signals critical ...

A molecular alarm clock awakens resting ovules

At the start of reproductive life an ovary contains, on average, several thousands of immature ovules in a resting state that can last for several decades. But how does each resting ovule know that it is time to prepare for ...

Alarming old and young drivers

An in-car alarm that sounds when sensors on the vehicle detect an imminent crash could cut crash rates from 1 in 5 to 1 in 10 for drivers over the of 60 suffering tiredness on long journeys, according to a study published ...

page 9 from 13