Female giant pandas make chirping sounds to advertise their fertility to males, a study finds.
The high-pitched 'chirp, chirp' of a small bird is falling silent at busy intersections across Canada, as cities adopt a new sound for crosswalks on east-west streets.
... from low frequency to high, sort of like the 'chirp' of a bird call," says Douglass. "No other terahertz ... this, and it's why ours works so fast. Teaching it to chirp in a repeatable way has been one of our team's main innovations ...
Birdsong is one of the joys of nature, but higher percentages of birds chirping near Chernobyl are a perverse indication of radiation contamination, according to a new study.
CAPE CANAVERAL, Fla. (AP) -- Twin spacecraft have captured the clearest sounds yet from Earth's radiation belts - and they mimic the chirping of birds....
... . tormota males emit – and respond to – unusual chirping calls from other males. These calls are audible, but also have energy ... after the stimulus,” Feng said. In the laboratory, the males usually chirped and then leapt directly at the source of the female ...
... , whooping, and groaning sounds of hyenas, for instance, or the chirp of birdsongs. Another hot area within ...
... --from information carried by the echoes of high-pitched vocal chirps produced at rates of 2-150 chirps per second. Research shows it actually uses these echoes to remember details of the environment in which it operates ...
... an alien race is likely to hear from Earth is chirps and whistles, a bit like R2-D2 ...
... animals communicate vocally - birds chirp, frogs thrum, whales whistle - and comparing the nerve ...
... carefully. Soon you will hear soft chirps and whistles drifting down from the sky. These are the calls ...
... that investigate the way that animals adapt their calls, chirps, barks and whistles to their social situation. The special ...
... displays, rather than the much better known chirping, tweeting, and other sounding off by birds, frogs ...
... laser). The Texas laser, like the others, relies on chirping, a process in which a short laser pulse is stretched ...
Streams that once sang with the croaks, chirps and ribbits of dozens of frog species have gone silent ...
