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Archive: 12/05/2008

Some blood-system stem cells reproduce more slowly than expected

(PhysOrg.com) -- Investigators from Massachusetts General Hospital (MGH) have found a subpopulation of hematopoietic stem cells, the source of all blood and immune system cells, that reproduce much more slowly than previously ...

Biology /

created Dec 05, 2008 | popularity 4.8 / 5 (5) | comments 0

UC Davis researchers exploring gene therapy to fight AIDS

The apparent success of a case in which German doctors cured a man of AIDS using a bone marrow transplant comes as no surprise to Gerhard Bauer, a UC Davis stem cell researcher. Bauer has been working for more than 10 years ...

Medicine & Health / HIV & AIDS

created Dec 05, 2008 | popularity 3.7 / 5 (3) | comments 1

Physical chemist imitates structures found in nature

(PhysOrg.com) -- As a graduate student, Harvard physical chemist Joanna Aizenberg acquired a passionate curiosity about — of all things — sponges. She particularly liked the ones made of glass, whose apparent ...

Chemistry /

created Dec 05, 2008 | popularity 4.6 / 5 (21) | comments 0

Free Electron Lasers and You: An LCLS Primer

(PhysOrg.com) -- In a few short months, the Linac Coherent Light Source will start operation as the world's first hard X-ray free electron laser, pushing SLAC National Accelerator Laboratory to the frontier ...

Physics / General Physics

created Dec 05, 2008 | popularity 4 / 5 (14) | comments 9

Blight-resistant American chestnut trees nearing reality

(PhysOrg.com) -- The demise of the American chestnut is one of the great ecological disasters of our time, according to a chestnut expert in Penn State's College of Agricultural Sciences, who envisions a day ...

Biology /

created Dec 05, 2008 | popularity 4.4 / 5 (12) | comments 1

Pedal pusher: Engineering professor, students plan citywide bike paths

(PhysOrg.com) -- An earthy mobile of cyclists hangs above Peter Furth’s office computer. A gift from his children, the dangling artifact originates from an African country where bikes are a primary mode of ...

Other Sciences / Other

created Dec 05, 2008 | popularity 4.6 / 5 (5) | comments 0

Scientists Create Tough Ceramic That Mimics Mother of Pearl

(PhysOrg.com) -- Biomimicry – technological innovation inspired by nature – is one of the hottest ideas in science but has yet to yield many practical advances. Time for a change. Scientists with the U.S. ...

Physics / Condensed Matter

created Dec 05, 2008 | popularity 4.5 / 5 (31) | comments 4

Can Milk Help Prevent Transplant Rejections?

(PhysOrg.com) -- Could Wisconsin's signature product – milk – hold the key to one of the biggest problems in organ transplantation?

Medicine & Health / Research

created Dec 05, 2008 | popularity 4.7 / 5 (7) | comments 0

Scientists drill holes through deadly bacteria's Kevlar-like hide

(PhysOrg.com) -- To protect themselves from human defenses, disease-causing bacteria have evolved a cell wall made from a nearly impenetrable tangle of tightly woven strands. That’s made it difficult for scientists ...

Biology /

created Dec 05, 2008 | popularity 4.5 / 5 (25) | comments 0

MoonLITE mission gets green light for next step

A possible UK-led Moon mission involving 'penetrator' darts that would impact into the Moon's surface will be the focus of a technical study to ascertain its feasibility, the British National Space Centre (BNSC) announced ...

Space & Earth / Space Exploration

created Dec 05, 2008 | popularity 3 / 5 (1) | comments 0

Photoacoustics useful in cancer research

(PhysOrg.com) -- Photoacoustics can be used to show the development of blood capillaries in and around a tumour. PhD student, Kiran Kumar Thumma, of the University of Twente (Netherlands) is the first to use ...

Medicine & Health / Research

created Dec 05, 2008 | popularity 4.7 / 5 (3) | comments 0

Boosting the numbers of rare moth

(PhysOrg.com) -- The University of Reading has collaborated with the National Trust on research which has resulted in one of the rarest moths in the UK returning to Derwentwater in the Lake District, nine ...

Biology /

created Dec 05, 2008 | popularity 5 / 5 (1) | comments 0

The benefits of punishment

(PhysOrg.com) -- The stick rather than the carrot could be a better approach to encouraging slacker colleagues to pull their weight in the workplace, research published in the prestigious journal Science has revealed.

Other Sciences / Other

created Dec 05, 2008 | popularity 3.3 / 5 (20) | comments 5

Return of the Leonids

Astronomers from Caltech and NASA say a strong shower of Leonid meteors is coming in 2009. Their prediction follows an outburst on Nov. 17, 2008, that broke several years of "Leonid quiet" and heralds even ...

Space & Earth / Space Exploration

created Dec 05, 2008 | popularity 4.7 / 5 (7) | comments 0

Scientists demonstrate their commitment to the environment by going 'virtual'

Scientists from around the world proved their green credentials by participating in a conference on climate change and carbon dioxide storage in the virtual world, this week (3 December).

Technology / Hi Tech & Innovation

created Dec 05, 2008 | popularity 5 / 5 (2) | comments 0