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Changing one amino acid in light-sensitive pigments alters their molecular properties.
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Children take different paths in developing an internal guide to right and wrong behavior, depending on how well early temperament meshes with a mother's child-rearing practices.
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Coating substances with plastics that cling to tissue and slowly erode holds promise as a way to deliver medicines.
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Researchers discuss the latest findings about the possibility that traces of ancient, primitive life remain in a Martian meteorite.
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A novel polymer offers the possibility of lowering the cost and increasing the reliability of blood-sugar monitoring.
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Investigators have found a single gene whose inactivation may contribute to a variety of cancers, including a rare malignancy that affects the brain and a common form of breast cancer.
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A population viability analysis of Florida's manatees paints a precarious future for the animals.
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Malignant tumors are detected at the same rate in a self-exam group as in a control group.
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One-quarter of all women with breast implants develop serious complications.
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Twice in the planet's distant past, ice ages have engulfed the globe.
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Scientists are gearing up to hunt for microbes hiding out in unusual places.
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Tracking the erratic path of a microsphere immersed in a tiny volume of fluid allows researchers to determine the liquid's flow properties.
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Researchers can use X-ray microbeams to track atomic rearrangements in narrow wires and measure stress buildup during electromigration.
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Microbes thrive far below ground
Once considered sterile, Earth's deep crust turns out to be rife with life.
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Scientists consider how disgusting tastes can linger surreptitiously in memory
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