Sperm can count
The speed at which the calcium concentration in the cell changes controls the swimming behavior of sperm. They can calculate the calcium dynamics and react accordingly.
The speed at which the calcium concentration in the cell changes controls the swimming behavior of sperm. They can calculate the calcium dynamics and react accordingly.
Plants & Animals
Mar 7, 2012
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Northwestern University Feinberg School of Medicine researchers have identified a new and unusual role for a key player in the human immune system. A protein initially believed to regulate one routine function within the ...
Biochemistry
Jan 28, 2012
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A discovery in fruit flies may be able to tell us more about how animals, including humans, sense potentially dangerous discomforts.
Biotechnology
Dec 15, 2011
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A University of Alberta-led research team has dramatically expanded the palette of fluorescent highlighters that can be used to track the movement of messengers inside of single cells.
Cell & Microbiology
Sep 8, 2011
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A Researcher at the Hawai'i Institute of Marine Biology, an organized research unit in the University of Hawai'i at Manoa's School of Ocean and Earth Science and Technology has come up with a new explanation for the effects ...
Environment
Aug 30, 2011
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(Medical Xpress) -- With a combination of synthetic biology and optogenetics, researchers from the Swiss Federal Institute for Technology published a paper in Science outlining their new technique which enables certain genes ...
A team of researchers at the Instituto Gulbenkian de Ciencia (IGC), Portugal, discovered that pollen, the organ that contains the plant male gametes, communicate with the pistil, their female counterpart, using a mechanism ...
Cell & Microbiology
Mar 17, 2011
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Pacemaker cells in the sinoatrial node control heart rate, but what controls the ticking of these pacemaker cells? New research by Angelo Torrente and his colleagues of the M.E. Mangoni group's, reveals, for the first time, ...
Biochemistry
Mar 9, 2011
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(PhysOrg.com) -- Scientists have found that calcium, aluminum-rich inclusions (CAIs), some of the oldest objects in the solar system, formed far away from our sun and then later fell back into the mid-plane of the solar system.
Astronomy
Mar 3, 2011
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The transport of ions is essential for the routine maintenance of the body. For this reason cells contain specialized enzymes that act as pumps that help ions to move around and pass through boundaries.
Cell & Microbiology
Feb 18, 2011
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