Uncategorized
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Brain scans reveal human pheromones
Male and female brains react differently to two putative pheromones, compounds related to the hormones testosterone and estrogen.
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NO says yes to breathing fast
A form of nitric oxide tells the brain when the body needs to breathe faster.
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Vesicles may help embryos take shape
Chemicals that shape developing embryos may hitch rides in vesicles called argosomes.
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Drunk drivers tow mental load
Individuals convicted of drunk driving often have a history of not only alcohol but also illicit drug abuse and other psychiatric disorders.
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Tracking down bodies in the brain
A new report that a specific brain region orchestrates the recognition of human bodies and body parts stirs up a scientific debate over the neural workings of perception.
- Health & Medicine
EMFs in home may limit night hormone
A pair of studies suggests a link, at least in some women, between elevated residential exposure to electromagnetic fields and reduced production of the hormone melatonin.
- Astronomy
Faint body may be galaxy building block
Using a cosmic zoom lens, astronomers may have found one of the first building blocks of a galaxy in the universe.
- Animals
Poison birds copy ‘don’t touch’ feathers
A subspecies of one of New Guinea's poisonous pitohui birds may be mimicking a toxic neighbor, according to a new genetic analysis.
- Health & Medicine
Aging cells may promote tumors nearby
Cells that enter a state called senescence in older individuals may stimulate nearby cells to become tumors.
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Gene change speaks to language malady
Researchers have identified a genetic mutation that may lie at the root of a severe speech and language disorder observed across four generations of a British family.
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18940
In your article you refer to imploding “air bubbles” that are produced by shrimp. However, these cavities, which are formed by cavitation, are filled with water vapor, not air. As the shrimp claws move rapidly through the water, a low-pressure area is formed behind the claws. If the pressure is below the vapor pressure of […]
- Animals
Shrimps spew bubbles as hot as the sun
With the snap of a claw, a pinkie-size ocean shrimp generates a collapsing air bubble that's hot enough to emit faint light.
