Search Results for: Noise
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Life
Faking death lets some female frogs slip the mating grip of a male
Suddenly looking dead, grunting like a guy or vigorously rotating can help female frogs survive mating balls in species with aggressively grabby males.
By Susan Milius -
Archaeology
Pre-Inca people stomped salutes to their thunder god on a special dance floor
Excavation of a drumlike platform in the Andes turned up a structure seemingly designed to absorb shocks and emit resonant sounds when stomped upon.
By Bruce Bower -
Physics
Why even small sonic booms are more annoying in cities
Quieter sonic booms from next-generation planes could still be annoying in cities thanks to narrow streets and tall buildings, simulations suggest.
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Cosmology
Astronomers spotted shock waves shaking the web of the universe for the first time
Studying these elusive shock waves could give scientists a better look at the mysterious magnetic fields that permeate the cosmic web.
By Elise Cutts -
Life
The Endangered Species Act is turning 50. Has it succeeded?
After 50 years, this landmark law has kept many species alive — but few wild populations have recovered enough to come off the “endangered” list.
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Neuroscience
The classic map of how the human brain manages movement gets an update
Functional MRI scans provide a new version of the motor homunculus, the mapping of how the primary motor cortex controls parts of the body.
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Math
Here’s how we could begin decoding an alien message using math
A new mathematical approach looks for order in strings of bits – without relying on human assumptions.
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Animals
Zoo gorillas use a weird new call that sounds like a sneezy cough
A novel vocalization made by the captive great apes may help them draw human attention.
By Meghan Rosen -
Paleontology
Katydids had the earliest known insect ears 160 million years ago
Fossils from the Jurassic Period show katydid ears looked identical to those of modern katydids and could pick up short-range calls.
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Health & Medicine
Is aging without illness possible?
Researchers are harnessing basic biology to develop drugs that foster healthy aging. Just don’t call them antiaging pills.
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Math
The metric system is growing. Here’s what you need to know
Science News spoke with a metrologist about the metric system’s latest update, which will help scientists interpret exceedingly big and small numbers.
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Materials Science
This fabric can hear your heartbeat
With special fibers that convert tiny vibrations to voltages, a new fabric senses sounds, letting it act as a microphone or a speaker.