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How evolution learns from past environments to adapt to new environments

Biology /

created Nov 07, 2008 | popularity 4.4 / 5 (18) | comments 0

The evolution of novel characteristics within organisms can be enhanced when environments change in a systematic manner, according to a new study by Weizmann Institute researchers. Merav Parter, Nadav Kashtan and Uri Alon ...


More than 20 percent of sexual assaults drug-facilitated

Medicine & Health / Other

created Mar 02, 2009 | popularity 5 / 5 (1) | comments 0

More than 20% of sexual assaults in a sample of 882 victims were drug-facilitated sexual assaults, found a new study published in CMAJ. Victims of drug-facilitated sexual assault were more likely than others to present to a l ...


ASU genetics research sheds light on evolution of the human diet

Biology /

created Feb 12, 2009 | popularity 4.5 / 5 (2) | comments 0

Diet - and how it has shaped our genome - occupies much of an evolutionary scientist's time. Anne Stone, associate professor of anthropology in Arizona State University's School of Human Evolution and Social Change, will ...


What I was doing vs. what I did: How verb aspect influences memory and behavior

Medicine & Health / Psychology & Psychiatry

created Mar 10, 2009 | popularity 4.6 / 5 (5) | comments 0

If you want to perform at your peak, you should carefully consider how you discuss your past actions. In a new study in Psychological Science, a journal of the Association for Psychological Science, psychologists William Hart o ...


Chromosome breakpoints contribute to genetic variation

Biology / Cell & Microbiology

created Apr 23, 2009 | popularity 5 / 5 (1) | comments 0

A new study reveals that - contrary to decades of evolutionary thought - chromosome regions that are prone to breakage when new species are formed are a rich source of genetic variation.


Coma recovery case attracts doubters

Medicine & Health / Other

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 1

(AP) -- Rom Houben's mother remembers her son's amazement when he finally started communicating again after spending 23 years locked in a paralyzed body that was misdiagnosed as vegetative.


Sex life of killer fungus finally revealed

Biology /

created Dec 01, 2008 | popularity 4.8 / 5 (4) | comments 0

Biologists at The University of Nottingham and University College Dublin have announced a major breakthrough in our understanding of the sex life of a microscopic fungus which is a major cause of death in immune deficient ...


How eating red meat can spur cancer progression

Medicine & Health / Cancer

created Nov 13, 2008 | popularity 3.9 / 5 (30) | comments 5

Researchers at the University of California, San Diego School of Medicine, led by Ajit Varki, M.D., have shown a new mechanism for how human consumption of red meat and milk products could contribute to the increased risk ...


Scientists discover novel mechanism that increases colorectal cancer risk

Medicine & Health / Cancer

created Jun 29, 2009 | popularity 5 / 5 (2) | comments 1

Finnish Academy Professors Lauri Aaltonen and Jussi Taipale have identified and described a mechanism whereby a single-base change in the human genome increases the risk of colorectal cancer.


Intensities

Fizeau interferometers for surfaces with different reflectivity

Physics / General Physics

created Dec 18, 2007 | popularity 4.7 / 5 (3) | comments 0

Due to their stable design, Fizeau interferometers are used to determine the topography of surfaces such as, e.g., plane surfaces. PTB (Physikalisch-Technische Bundesanstalt, Germany) has now developed a method ...


Towards a better understanding of hot spot volcanism

Space & Earth / Earth Sciences

created Jan 31, 2008 | popularity 4.3 / 5 (6) | comments 0

Most of the Earth’s listed active volcanoes are located at the borders between two tectonic plates, where upsurge of magma from the mantle is facilitated. When these magmatic uprisings occur at a subduction zone, where one ...


Knock-out drugs: Narrow window for detection

Medicine & Health / Other

created May 29, 2009 | popularity 5 / 5 (3) | comments 0

Drug-facilitated sexual crimes are increasing. The Bonn Institute for Forensic Medicine has recorded that the number of examinations on the use of intoxicants in sexual offences within their catchment area increased 10-fold ...


This undated picture released by the Spanish National Research Council (CSIC) shows fossilised tracks of the giant worm

Giant marine worms lived 475 million years ago: scientists

Other Sciences / Archaeology & Fossils

created Aug 03, 2009 | popularity 4.3 / 5 (8) | comments 1

Spanish researchers said Monday they have discovered evidence of a type of giant worm that lived 475 million years ago and was up to one metre (three feet) in length.


Seeing colors -- New study sheds light on sensory system quirk

Medicine & Health / Psychology & Psychiatry

created Jul 24, 2007 | popularity 4.2 / 5 (5) | comments 0

In the psychological phenomenon known as “synesthesia,” individuals’ sensory systems are a bit more intertwined than usual. Some people, for example, report seeing colors when musical notes are played.


New Paradigm

New molecule involved in the body's processing of dietary fat identified

Medicine & Health / Research

created Apr 03, 2007 | popularity 4.3 / 5 (8) | comments 0

UCLA investigators have identified a new molecule that may help regulate the delivery of fats to cells for energy and storage. Published in the April issue of the journal Cell Metabolism, the finding could ...