News tagged with envelope


Chromosomes dance and pair up on the nuclear membrane

Chromosomes dance and pair up on the nuclear membrane (w/ Video)

Biology / Cell & Microbiology

created Nov 13, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- Meiosis - the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell - is a major crossroads in all organisms reproducing sexually. Yet, how the ...





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Self-destructing bacteria improve renewable biofuel production

Biology / Cell & Microbiology

created Dec 08, 2009 | popularity 4.5 / 5 (4) | comments 4

An Arizona State University research team has developed a process that removes a key obstacle to producing lower-cost, renewable biofuels. The team has programmed a photosynthetic microbe to self-destruct, making the recovery ...


Small companies add value by sharing commercial information

Technology / Software

created Dec 03, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Small companies prepared to share commercially sensitive information can add value and develop new services for their customers, using a distributed track-and-trace software solution.


NASA Uses Twin Processes to Develop New Tank Dome Technology

NASA Uses Twin Processes to Develop New Tank Dome Technology

Space & Earth / Space Exploration

created Dec 02, 2009 | popularity 4 / 5 (3) | comments 2

(PhysOrg.com) -- NASA has partnered with Lockheed Martin Space Systems in Denver, Colo., and MT Aerospace in Augsburg, Germany, to successfully manufacture the first full-scale friction stir welded and spun ...


First black holes may have incubated in giant, starlike cocoons, says CU-Boulder study

First black holes may have incubated in giant, starlike cocoons

Space & Earth / Astronomy

created Nov 24, 2009 | popularity 4.2 / 5 (20) | comments 22

(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...


Spitzer Telescope Observes Baby Brown Dwarf

Spitzer Telescope Observes Baby Brown Dwarf

Space & Earth / Astronomy

created Nov 23, 2009 | popularity 4.8 / 5 (13) | comments 0

(PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these ...


New effort probes how two groups of viruses cause disease

New effort probes how two groups of viruses cause disease

Biology / Cell & Microbiology

created Nov 18, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Purdue University is leading a team of researchers in a federally funded effort aimed ultimately at developing better vaccines and antiviral drugs against two types of disease-causing viruses ...


Cross-country runabouts -- immune cells on the move

Cross-country runabouts -- immune cells on the move

Biology / Cell & Microbiology

created Nov 17, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- In order to effectively fight pathogens, even at remote areas of the human body, immune cells have to move quickly and in a flexible manner.


2 Earth-sized bodies with oxygen rich atmospheres found -- but they're stars not planets

Two Earth-sized bodies with oxygen rich atmospheres found -- but they're stars not planets

Space & Earth / Astronomy

created Nov 12, 2009 | popularity 4.4 / 5 (21) | comments 1

(PhysOrg.com) -- Astrophysicists at the University of Warwick and Kiel University have discovered two earth sized bodies with oxygen rich atmospheres - however there is a bit of a disappointing snag for anyone ...


Hoping for a fluorescent basket case: How HIV is assembled and released from infected cells

Biology / Cell & Microbiology

created Nov 12, 2009 | popularity not rated yet | comments 0

Although recent advances have raised hopes that a protective vaccine can be developed, acquired immunodeficiency syndrome (AIDS) remains a major public health problem. Much has been learned about HIV-1, the virus that causes ...


sky, sun

A lightning strike in Africa helps take the pulse of the sun

Space & Earth / Space Exploration

created Nov 11, 2009 | popularity 4.5 / 5 (11) | comments 2

Sunspots, which rotate around the sun's surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun's rotation or to prepare long-range forecasts of the Earth's ...



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