Why Sheep Calls Have That Unmistakable Vibrato

Posted on Categories Discover Magazine

(Credit: Baronb/Shutterstock) Animals from sheep to fur seals share a curious acoustic trait: Their calls feature a vibrato-like trill. Vibrato is the small, quick oscillation in pitch that musicians use to accentuate certain notes. It makes a note sound a bit wobbly and helps catch our attention. It’s found all over the animal kingdom, too — think the staccato “baaaaa’s” of a goat. But animals’ pulsating cries are far more than stylistic. A new study f ...read more

Harvey's Lesson: Always Be Prepared

Posted on Categories Discover Magazine

Texas National Guard members rescue survivors from Harvey on August 27, 2017. Photo by 1st Lt. Zachary West, 100th MPAD) CC-by-2.0 The biggest news right now is the devastation caused by Hurricane/Tropical Storm Harvey. It wasn’t the arrival of the storm itself but rather the long and intense rains that have done the damage — and really, the flooding that the Houston area is experiencing right now is some of the most stunning and devastating in the last century for the United States. ...read more

The “Unbearable Emptiness” of Science on Twitter?

Posted on Categories Discover Magazine

The discussion of scientific papers on Twitter is largely dominated by spam bots, paid content promoters, and “monomaniacs” obsessed with a single issue. That’s according to researchers Nicolas Robinson-Garcia and colleagues in a new paper called The unbearable emptiness of tweeting—About journal articles To reach their bleak conclusion, Robinson-Garcia et al. read 8,206 tweets. Tweets were included if they contained a link to a peer-reviewed paper in the field of dentr ...read more