A bacteria that can knit together cracks in concrete structures by producing a special 'glue' has been developed by a team of students at Newcastle University.

Technology - Engineering

Nov 12, 2010 5 / 5 (23) 13 |

(PhysOrg.com) -- After years of biting and chewing, how are human teeth able to remain intact and functional? A team of researchers from The George Washington University and other international scholars have ...

Medicine & Health - Medical research

Apr 17, 2009 4.8 / 5 (16) 0

(PhysOrg.com) -- A new system that ranks drugs on the basis of harm caused to both the user and others places alcohol as the most harmful drug, above heroin and crack. The scale, developed by drug experts led by Professor ...

Medicine & Health - Health

Nov 01, 2010 3.5 / 5 (13) 12 |

The origin of life is seen as the formation of the first biomolecules which may be subject to multiplication and further development. Hitherto it was unclear, which reactions could have triggered the evolution of this ur-metabolism. ...

Chemistry - Biochemistry

Jan 19, 2012 4.9 / 5 (7) 2

(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed a new method to harvest energy from flowing water. This discovery aims to hasten the creation of self-powered microsensors for ...

Nanotechnology - Nanomaterials

Jul 19, 2011 3.9 / 5 (8) 8 |

Over the past decade, scientists have found evidence of hundreds of planets orbiting stars outside our solar system. A group of volunteers has also joined the search, and they have found several additional ...

Space & Earth - Astronomy

Jun 13, 2012 5 / 5 (6) 0 |

Eek, spiders! All right, so it's not actually little green arachnids we're talking about here, but they are definitely spidery features. Called araneiform terrain, these clusters of radially-branching cracks ...

Space & Earth - Space Exploration

Nov 19, 2012 5 / 5 (6) 1

(AP) -- NASA discovered cracks in Discovery's fuel tank Wednesday, an added problem that will complicate trying to launch the space shuttle on its final voyage this year.

Space & Earth - Space Exploration

Nov 10, 2010 4.5 / 5 (6) 1

NASA said Thursday it has found four more small cracks on the metal supports of the shuttle Discovery's external fuel tank, as the aging shuttle undergoes X-ray testing before its final space mission next ...

Space & Earth - Space Exploration

Dec 31, 2010 5 / 5 (5) 6

Sealing cracks in roadways ensures a road's structural integrity and extends the time between major repaving projects, but conventional manual crack sealing operations expose workers to dangerous traffic and ...

Technology - Engineering

Jun 18, 2012 5 / 5 (5) 1 |

(Phys.org) —Northern Chile's Atacama Desert is an earthquake scientist's dream – the hyper-arid plain keeps a visible record of cracks caused by a million year's worth of earthquakes.

Space & Earth - Earth Sciences

Apr 30, 2013 5 / 5 (5) 1 |

A civil engineer at Purdue University is taking advantage of the demolition of a bridge spanning the Ohio River to learn more about how bridges collapse in efforts to reduce the annual cost of inspecting large ...

Technology - Engineering

Jul 28, 2011 4.8 / 5 (5) 1 |

Scientists in Canada and China are reporting development of a new dental filling material that substitutes natural ingredients from the human body for controversial ingredients in existing “composite,” ...

Chemistry - Materials Science

May 20, 2009 5 / 5 (4) 0

It is almost night on the island of Puerto Rico. Astronomer Joanna Rankin raises her head toward the sky. A few of the brightest stars shine through blue cracks in a ragged dome of gray clouds. To her back, ...

Space & Earth - Astronomy

Dec 01, 2011 5 / 5 (4) 3 |

(Phys.org) -- Deep cracks in soil that appear during long dry spells can remain open underground even after they have visibly sealed on the surface, a new study has found.

Space & Earth - Earth Sciences

May 15, 2012 4.8 / 5 (4) 1