News tagged with high pitch sound

Hearing on the wing: New structure discovered in butterfly ears

(PhysOrg.com) -- A clever structure in the ear of a tropical butterfly that potentially makes it able to distinguish between high and low pitch sounds has been discovered by scientists from the University ...

Biology / Plants & Animals

created Oct 21, 2009 | popularity 4.5 / 5 (6) | comments 0




Search results for high pitch sound


Scotland passes turbine test to harness tidal power

(Phys.org) -- An underwater turbine being used for harnessing tidal power to generate electricity for homes and businesses has successfully completed its testing period in the island of Eday, one of Orkney’s ...

Technology / Energy & Green Tech

created May 20, 2012 | popularity 4.6 / 5 (18) | comments 41 | with audio podcast report

Bird vocalization research could improve poultry production, lower costs

Chickens can’t speak, but they can definitely make themselves heard. Most people who have visited a poultry farm will recall chicken vocalization – the technical term for clucking and squawking – ...

Biology / Other

created May 18, 2012 | popularity not rated yet | comments 0

Scientists learn much about humans from birds' singing lessons

Why wasn't this intruder getting the message? The lord of the manor had warned him repeatedly to back off, with threatening gestures and loud admonitions. But the trespasser just sat there - singing.

Biology / Plants & Animals

created May 18, 2012 | popularity 5 / 5 (3) | comments 0

Courtship in the cricket world

Everyone wants to present themselves in the best light - especially when it comes to finding a partner. Some rely on supplying honest information about their attributes while others exaggerate for good effect. A new study ...

Biology / Plants & Animals

created Apr 30, 2012 | popularity not rated yet | comments 0 | with audio podcast

Manatee hearing good enough to sense approaching motorboats

Every year, manatees are injured in boat collisions. Why don't they just move when they hear a boat approach? A team of scientists led by Joe Gaspard from Mote Marine Laboratory and Aquarium, USA, have found that manatee ...

Biology / Ecology

created Apr 12, 2012 | popularity 5 / 5 (1) | comments 0

Study on extrasolar planet orbits suggests that Solar System structure is the norm

The EXOEarths team (Centro de Astrofísica da Universidade do Porto - CAUP), in collaboration with Geneva University, did a joint analysis of data from the HARPS spectrograph and the Kepler satellite. ...

Space & Earth / Astronomy

created Apr 12, 2012 | popularity 5 / 5 (3) | comments 0

Skydiver aims to jump from 23 miles, go supersonic (Update 2)

"Fearless Felix" Baumgartner has jumped 2,500 times from planes and helicopters, as well as some of the highest landmarks and skyscrapers on the planet - the Christ the Redeemer statue overlooking Rio de Janeiro, ...

Space & Earth / Space Exploration

created Mar 15, 2012 | popularity 5 / 5 (2) | comments 1

Listening to the 9.0-magnitude japanese earthquake

(PhysOrg.com) -- Last year’s 9.0-magnitude Tohoku-Oki, Japan, earthquake was the fourth largest since 1900. However, because of thousands of seismometers in the region and Japan’s willingness to share their measurements ...

Space & Earth / Earth Sciences

created Mar 06, 2012 | popularity 5 / 5 (3) | comments 0

New chips, faster networks to improve phone audio

Smartphone owners can surf the Web, pay bills, watch videos, enjoy music and send email. But while their gadgets have been designed to handle increasing amounts of data, experts say, less attention has been paid to their ...

Technology / Telecom

created Mar 02, 2012 | popularity 5 / 5 (4) | comments 0

Birds sing louder amidst the noise and structures of the urban jungle

Sparrows, blackbirds and the great tit are all birds known to sing at a higher pitch (frequency) in urban environments. It was previously believed that these birds sang at higher frequencies in order to escape the lower frequencies ...

Biology / Plants & Animals

created Feb 22, 2012 | popularity not rated yet | comments 0


List of search results for high pitch sound