Uncategorized
- Materials Science
Up to Snuff: Nanotube network fights flames
Researchers have found that infusing plastics with a network of carbon nanotubes reduces their flammability.
- Animals
Beyond Falsetto: Do mice sing at ultrasonic frequencies?
Male mice may serenade prospective mates at pitches about two octaves higher than the shrillest sounds audible to the human ear. With Audio.
-
19608
Humans vocalize primarily non-harmonically (talk), but some can also vocalize harmonically (sing). Birds, likewise, mostly vocalize non-harmonically (chatter), but some can vocalize harmonically. It would be most helpful, when discussing birds, mice, and whale “songs,” if scientists would clarify whether they mean non-harmonic or harmonic vocalizations.
