News
- Materials Science
Tiny detector finds hydrogen better
Researchers have made a miniature device that can quickly detect hydrogen leaks.
- Health & Medicine
Vitamin relative may aid stroke repair
Dehydroascorbic acid, a precursor of vitamin C, may help stroke patients retain use of parts of their brain at risk from the blood shut-off caused by strokes.
- Health & Medicine
Detecting cancer risk with a chip
Researchers can use microcantilevers studded with antibodies that react to prostate specific antigen, or PSA, to analyze blood samples for signs of prostate cancer.
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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.
