Latest News

Rats depleted of salt become sensitized to amphetamine, show unusual growth of brain cells

Laboratory rats that have been repeatedly depleted of salt become sensitized to amphetamine, exhibiting an exaggerated hyperactive response to the drug and an unusual pattern of neuronal growth in a part of their brains, neuroscientists have found.

The researchers, headed by University of Washington psychologist Ilene Bernstein, discovered that nerve cells in the nucleus accumbens of sensitized rats have more branches and were 30 percent to 35 percent longer than normal. The nucleus accumbe

New research confirms increased greening

Greening seems to have increased during the 1980s and 1990s in the northern hemisphere from the arctic regions down to the 35th parallel of latitude (roughly southern Europe). This has been shown by measurements from space satellites. Some observers, however, have doubted the reliability of these measurements. In the latest issue of Science, a research team from the Institute for Climatic Impacts Research in Potsdam, the Max Planck Institute for Biogeochemistry in Jena, and Lund University presents n

Protective Storm in Space – a new explanation for the death of the dinosaurs

A shower of matter from space millions of years ago could have led to drastic changes in the Earth’s climate, followed by the extinction of life on a massive scale, which also killed off the dinosaurs. This at least is a theory put forward by scientists from the University of Bonn. Normally, the solar wind acts as a shield against showers of cosmic particles, which prevents too many energy-rich particles from raining down on our atmosphere. Since 1997 scientists from Bonn, funded by the German Resea

Children’s Hospital Boston researchers use therapeutic cloning to create functional tissue in cows

Cloned cells organize into muscle, heart and kidney tissue; animals show no rejection

Boston – In a study published in the July issue of Nature Biotechnology, available on the internet June 3, researchers from Children’s Hospital Boston and colleagues demonstrated that laboratory-engineered tissues created from heart, skeletal, and renal cells cloned from cows, then transplanted back into the animals, developed into functional tissues and caused no signs of rejection.

1st evidence that nuclear transplantation (’therapeutic cloning’) can eliminate tissue rejection

Heart ’patches’ and functioning kidney units cloned in cows

Advanced Cell Technology, Inc. (ACT) reported today that nuclear transplantation can be used to generate functional immune-compatible tissues. The research, which will appear in the July issue (cover story) of Nature Biotechnology, by ACT and its collaborators, provides the first experimental evidence that it may be possible to use cloning to generate medically important tissues and eliminate tissue rejection. Heart

Discrimination against women scientists confirmed : A new report with statistical data concerning 30 European countries

A report published today by the European Commission establishes for the first time the situation of women scientists in 30 European countries . The report is presented at a seminar opening today in Madrid and organised with the Spanish Presidency of the European Union on “Women and Science: promoting women in the scientific sector”.

The report, prepared by a group of national representatives known as the `Helsinki Group on Women and Science`, compiles national statistical profiles which ar

Page
1 17,716 17,717 17,718 17,719 17,720 17,841

Physics and Astronomy

NASA: Life signs could survive near surfaces of Enceladus and Europa

Europa, a moon of Jupiter, and Enceladus, a moon of Saturn, have evidence of oceans beneath their ice crusts. A NASA experiment suggests that if these oceans support life, signatures…

Unexpected deviation in the lifetime

First observation of the nuclear two-photon decay in bare atomic nuclei. For the first time, an international research team, led by GSI/FAIR in Darmstadt, the Institut de recherche sur les…

Towards discovering a second Earth

Engineers and scientists of the Max Planck Institute for Astronomy (MPIA), led by Oliver Krause, developed crucial optical elements for the Coronagraph Instrument (CGI) of the Roman Space Telescope and…

Life Sciences and Chemistry

Study shows promise for a universal influenza vaccine

OHSU-led research uses innovative vaccine platform to target interior of virus; scientists validate theory using 1918 flu virus. New research led by Oregon Health & Science University reveals a promising…

Modular design

New insights into protein factories in human mitochondria. The “power plants” of living cells, the mitochondria, probably evolved through endosymbiosis: A bacterium migrated into a primordial cell and eventually developed…

Key Driver for Epithelial Cancer Development Identified

A distinct signaling pathway called TNF-α drives the transformation of epithelial cells into aggressive tumor cells. During cancer progression, cells activate their own TNF-α program and become invasive. This finding…

Materials Sciences

New technique pinpoints nanoscale ‘hot spots’ in electronics

… to improve their longevity. Borrowing methods from biological imaging, Rochester engineers have developed a way to spot tiny, overheated components that cause electronics’ performance to degrade. When electronic devices…

Caught in the actinium

Researchers grew crystals containing actinium and illuminated them with X-rays to learn how the radioactive metal binds with other elements. That information could help design better cancer treatments. The element…

Microbeads with adaptable fluorescent colors from visible light to near-infrared

Environmentally friendly luminescent material made mainly from plant-derived material. 1. A research team at NIMS has successfully developed an environmentally friendly, microspherical fluorescent material primarily made from citric acid. These…

Information Technology

Chatbot Iris offers individual support

How can a chatbot support students in lectures and with assigned exercises? Researchers at the Technical University of Munich (TUM) have developed the chatbot Iris, which offers informatics students personalized…

A new approach to accelerate the discovery of quantum materials

A collaboration yields a powerful combination of high-throughput computation and precise fabrication techniques to accelerate the discovery of quantum defects. Researchers at the Department of Energy’s Lawrence Berkeley National Laboratory…

Pocket-sized invention revolutionizes ability to detect harmful materials

The low-cost cellphone-based Raman spectrometer system can make identifications of unknown biological molecules within minutes. Imagine knowing what berry or mushroom is safe to eat during a hike or swiftly…