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Monoculture farming is another way modern-day agriculture is killing bees, scientists say – 850 WFTL

(NEW YORK) Scientists have discovered another way modern-day farming techniques are killing off bee populations. While pesticides have long been blamed for t ....

University Of Oregon , United States , Hamutahl Cohen , University Of Oregon Institute Ecology , Proceedings Of The Royal Society , Central Valley ,

Seal are chirping under Antarctic ice but we can't hear it


Weddell seals are chirping, whistling, and trilling under Antarctica’s ice at sound frequencies that humans can’t hear, report researchers.
Two years of recordings at a live-streaming underwater observatory in McMurdo Sound have captured nine types of tonal ultrasonic seal vocalizations that reach to 50 kilohertz. Humans hear in the sonic range of 20 to 20,000 hertz, or 20 kilohertz.
“It really sounds like you’re in the middle of a space battle in
Star Wars, laser beams and all.”
Weddell seals (
Leptonychotes weddelii), the world’s southernmost-ranging mammal, thrive under the continent’s sea ice, using their large teeth to create air holes. They can dive to 600 meters (1,969 feet) in search of prey and remain submerged for 80 minutes. Researchers had first identified 34 seal call types at sonic frequencies in 1982, tying the sounds to social interactions. ....

United States , Lisa Munger , Paul Cziko , University Of California , University Of Oregon Institute Ecology , Journal Of The Acoustical Society America , Clark Honors College , National Science Foundation , University Of New Brunswick , Mcmurdo Sound , Star Wars , Mcmurdo Oceanographic , Mcmurdo Station , Clark Honors , Acoustical Society , New Brunswick , Saint John , ஒன்றுபட்டது மாநிலங்களில் , லிசா முங்கர் , பல்கலைக்கழகம் ஆஃப் கலிஃபோர்னியா , பல்கலைக்கழகம் ஆஃப் ஓரிகந் நிறுவனம் சூழலியல் , இதழ் ஆஃப் தி ஒலியியல் சமூகம் அமெரிக்கா , கிளார்க் மரியாதை கல்லூரி , தேசிய அறிவியல் அடித்தளம் , பல்கலைக்கழகம் ஆஃப் புதியது பிரன்சுவிக் , நட்சத்திரம் போர்கள் ,