Quantcast

Latest Sonar Stories

New Tool Can Identify Bats By Sound
2012-08-07 11:17:02

Michael Harper for redOrbit.com — Your Universe Online Have you ever tried to tell the difference between 34 different bat species? Like a fingerprint or the specific pitch and timbre of a person´s voice can differentiate one human from another, so, too, can the subtleties in squeaks and squelches set one bat apart from the others. Now, a team of ecologists have built an echo-location tool which can identify specific bats based on their vocal signatures. The new tool,...

Sex Can Be A Very 'Risky Business' For Flies In Bat Territory
2012-07-24 13:30:39

[ Watch The Video ] redOrbit Staff & Wire Reports - Your Universe Online According to a study in the July 24th issue of Current Biology,  bats eavesdrop on the sounds of fly sex to earn themselves a super-sized dinner deal: two flies for the price of one.  For flies living with bats in a cowshed, sex really could be the death of you. The study is the first to show that increased conspicuousness to hungry predators is a huge downside of sex, the researchers say. "When...

Are Dolphins Math Whizzes?
2012-07-18 16:42:40

Lawrence LeBlond for redOrbit.com - Your Universe Online Dolphins can perform complex math equations when hunting, suggesting that these animals are far more skilled mathematically than scientists had previously given them credit for, according  to new research published in the journal Proceedings of the Royal Society A. The inspiration for the study came after lead author Tim Leighton, of the University of Southampton, watched an episode of Blue Planet on the Discovery Channel....

Whales Coping With Undersea Noise
2012-07-17 18:36:16

Brett Smith for redOrbit.com - Your Universe Online Because extremely loud noises can travel underwater for thousands of miles, they cause over a quarter-million sea creatures to suffer some kind of hearing loss every year, a number experts warn is on the rise. The good news is that whales are able to consciously decrease their hearing sensitivity and prevent hearing loss if given ample warning of an impending loud noise, according to a pair of marine biologists who published their...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.