Fraternal singing in zebra finches

The song of songbirds is usually transmitted from one generation to the next by imitation learning and is thought to be similar to the acquisition of human speech. Although song is often learnt from an adult model, there ...

Language by mouth and by hand

Humans favor speech as the primary means of linguistic communication. Spoken languages are so common many think language and speech are one and the same. But the prevalence of sign languages suggests otherwise. Not only can ...

How human language could have evolved from birdsong

"The sounds uttered by birds offer in several respects the nearest analogy to language," Charles Darwin wrote in "The Descent of Man" (1871), while contemplating how humans learned to speak. Language, he speculated, might ...

Song sparrows escalate territorial threats (w/ Video)

Territorial song sparrows use increasingly threatening signals to ward off trespassing rivals. First an early warning that matches the intruder's song, then wing waving – a bird's version of "flipping the bird" – as the ...

Learning the alphabet of gene control

Scientists at Karolinska Institutet in Sweden have made a large step towards the understanding of how human genes are regulated. In a new study, published in the journal Cell, they identified the DNA sequences that bind to ...

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