Turn out the light: 'Switch' determines cancer cell fate
(Phys.org) —Like picking a career or a movie, cells have to make decisions – and cancer results from cells making wrong decisions.
May 03, 2013
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May 03, 2013
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It slices, it dices, it silences: ADAR1 as gene-silencing modular RNA multitool
RNA, once considered a bit player in the grand scheme by which genes encode protein, is increasingly seen to have a major role in human genetics. In a study presented in the April 25 issue of the journal Cell, researchers from T ...
May 01, 2013
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Pushing the boundaries of transcription: A new level of variation in messenger RNAs exposed
(Phys.org) —Like musicians in an orchestra who have the same musical score but start and finish playing at different intervals, cells with the same genes start and finish transcribing them at different ...
Apr 25, 2013
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Scientists observe single gene activity in living cells
Researchers at Albert Einstein College of Medicine of Yeshiva University have for the first time observed the activity of a single gene in living cells. In an unprecedented study, published in the April 22 online edition ...
Apr 21, 2011
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NASA spacecraft now circling Mercury -- a first
For the first time, Earth has a regular orbiting eye-in-the-sky spying on the solar system's smallest and strangest planet, Mercury.
Mar 18, 2011
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MESSENGER finds new evidence for water ice, organic material at Mercury's poles
(Phys.org)—New observations by the MESSENGER spacecraft provide compelling support for the long-held hypothesis that Mercury harbors abundant water ice and other frozen volatile materials in its permanently ...
Nov 29, 2012
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Epic volcanic activity flooded Mercury's north polar region
(PhysOrg.com) -- Ever since the Mariner 10 mission in 1974 snapped the first pictures of Mercury, planetary scientists have been intrigued by smooth plains covering parts of the surface. Some suspected past ...
Sep 29, 2011
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Messenger orbital data confirm theories, reveal surprises
On March 18, 2011, the MESSENGER spacecraft entered orbit around Mercury to become that planet's first orbiter. The spacecraft's instruments are making a complete reconnaissance of the planet's geochemistry, ...
Jun 16, 2011
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Earth-directed coronal mass ejection from the sun
(Phys.org) —On March 15, 2013, at 2:54 a.m. EDT, the sun erupted with an Earth-directed coronal mass ejection (CME), a solar phenomenon that can send billions of tons of solar particles into space and can ...
Mar 15, 2013
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Atomic-scale structures of ribosome could help improve antibiotics
(PhysOrg.com) -- It sounds like hype from a late-night infomercial: It can twist and bend without breaking! And wait, there's more: It could someday help you fend off disease!
May 19, 2011
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This spot on Mercury (almost) never goes dark
Mercury, traveling in its 88-day-long orbit around the Sun with basically zero axial tilt, has many craters at its poles whose insides literally never see the light of day. These permanently-shadowed locations ...
Apr 26, 2013
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To cap or not to cap: Scientists find new RNA phenomenon that challenges dogma
Some RNA molecules spend time in a restful state akin to hibernation rather than automatically carrying out their established job of delivering protein-building instructions in cells, new research suggests.
Aug 27, 2012
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Scientists solve long-standing mystery of protein 'quality control' mechanism
Scientists from The Scripps Research Institute have solved a long-standing mystery of how cells conduct "quality control" to eliminate the toxic effects of a certain kind of error in protein production. The findings may lead ...
Sep 12, 2010
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Mercury's surprising core and landscape curiosities
(PhysOrg.com) -- On March 17, the tiny MESSENGER spacecraft completed its primary mission to orbit and observe the planet Mercury for one Earth-year. The bounty of surprises from the mission has completely ...
Mar 21, 2012
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Humans, chimpanzees and monkeys share DNA but not gene regulatory mechanisms
Humans share over 90% of their DNA with their primate cousins. The expression or activity patterns of genes differ across species in ways that help explain each species' distinct biology and behavior.
Nov 06, 2012
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