Biology
New discovery: Bacteria emit sound, only mute when encountering antibiotics
Have you ever wondered if bacteria make a special sound? According to scientists, if we know how to listen to bacteria, we can tell if they are alive or not.
Sound
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Articles about Sound
1,057 published items.
Scientific application
Discover the advanced weapons hidden on the superyachts
To deal with the daring pirate groups, many yachts of the tycoons have equipped with ultrasonic weapons.
Oceanography
The first time I discovered the sound of a whale's gun shot
Scientists have discovered never before described vocalizations in humpback whales, revealing their complex communication behaviour.
Science invention
Massachusetts Institute of Technology engineers invent a paper-thin speaker
Engineers at the Massachusetts Institute of Technology (MIT) have developed a paper-thin speaker that can turn any surface into a sound source.
Cancer
Breakthrough: An ultrasound technique helps destroy liver cancer tumors without surgery
Sound waves will break down solid tumors into liquid form, so that immune cells can clean up and eliminate them.
Scientific application
Technological devices that support users to sleep deeply
As people age, not only is it difficult to fall asleep, but it also takes longer to fall into a deep sleep state.
Life
Benefits and ways to help you conquer a new language
It is estimated that between 60% - 70% of the global population speaks at least two languages. Congratulations if you are part of a global language learning community
Animal world
Without 'ears', how do spiders 'listen' and hunt for prey?
Spider webs have a big function to catch prey, but they can also be used as a device, according to a new study.
Cancer
Sound-controlled bacteria kill cancer cells
The team at Caltech modified the E. coli bacteria and stimulated it with ultrasound so that they secrete chemicals that kill cancer cells that harm healthy cells.
Health
High-frequency sound waves turn stem cells into bone cells in just 5 days
The researchers used high-frequency sound waves to turn stem cells into bone cells.
Conquer Mars
Scientists measure the speed of sound on Mars
Based on data collected by NASA robots, scientists estimate that sound travels on Mars at a speed of about 864km/h.
Science story
How do hypersonic missiles work?
The famous Kinzhal supersonic missile of the Russian military with powerful destructive power, can reach a speed of 12 times the speed of sound, and an operating range o…
Health
What benefits will your body gain if you sleep on the floor?
The idea of sleeping on a hard floor instead of a comfortable bed may sound a bit odd, but it actually offers a lot of health benefits.
Archeology
Researchers use sound waves to find a town lost for 650 years
The researchers hope the high-resolution sonar system can help locate the medieval town of Ravenser Odd, which sank under the North Sea in the mid-14th century.
Science invention
Invented a new fabric that can 'hear' sound
Scientists at Nanyang Technological University in Singapore have invented a fabric that can detect and produce sound.