Ecuadorian hummingbirds chirp ultrasonic songs of seduction
Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear.
Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear.
Ecology
Jul 17, 2020
0
591
The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gum, masticated lumps made from birch bark pitch. This is shown in a new study conducted at Stockholm University ...
Archaeology
May 15, 2019
3
1692
The worlds of engineering and baseball have collided. Researchers at Utah State University are breaking down the physics of a new baseball pitch that's been getting a lot of attention.
General Physics
Feb 21, 2019
0
84
Blue whales around the world are singing a little flat, and scientists may now have more clues as to the reason why.
Plants & Animals
Nov 29, 2018
0
186
An unexpected twist from a four-seam or a two-seam fastball can make the difference in a baseball team winning or losing the World Series. However, "some explanations regarding the different pitches are flat-out wrong," said ...
General Physics
Nov 18, 2018
0
242
A combined team of researchers from the University of Lyon/Saint-Etienne in France and the University of Sussex in the U.K. has found that the pitch of a baby's cries can be an indicator of voice pitch at age five. In their ...
Voice pitch, the perceived "highness" or "lowness" of a voice, influences how people are judged on a variety of dimensions such as attractiveness, physical strength and social dominance. In fact, studies have shown that individuals ...
Social Sciences
Mar 14, 2018
0
13
New research finds that perception of absolute pitch in music is far more common that previously thought, challenging conventional wisdom that the ability to detect perfect pitch is rare.
Social Sciences
Jun 21, 2017
0
46
Lower pitches in voices or music in advertisements lead consumers to infer a larger product size, according to a new study by researchers atĀ Georgia Institute of Technology and Vanderbilt University.
Social Sciences
Apr 14, 2017
0
591
A songbirds' vocal muscles work like those of human speakers and singers, finds a study recently published in the Journal of Neuroscience. The research on Bengalese finches showed that each of their vocal muscles can change ...
Plants & Animals
Jan 12, 2016
1
467