News tagged with genetic models

Researchers discover the first-ever link between intelligence and curiosity

(PhysOrg.com) -- Scientists from University of Toronto and the Samuel Lunenfeld Research Institute of Mount Sinai Hospital have discovered a molecular link between intelligence and curiosity, which may lead to the development ...

Medicine & Health / Neuroscience

created Sep 14, 2009 | popularity 4.7 / 5 (30) | comments 10

Chemists see first building blocks to life on Earth

Scientists at The University of Manchester have developed an experiment that sheds new and fascinating light on how life on Earth might have begun.

Chemistry / Biochemistry

created May 13, 2009 | popularity 4.9 / 5 (25) | comments 13

Mother of all humans lived 200,000 years ago

The most robust statistical examination to date of our species' genetic links to "mitochondrial Eve" -- the maternal ancestor of all living humans -- confirms that she lived about 200,000 years ago. The Rice University study ...

Biology / Evolution

created Aug 17, 2010 | popularity 4.6 / 5 (24) | comments 35 | with audio podcast

Model suggests how life's code emerged from primordial soup

(PhysOrg.com) -- In 1953, Stanley Miller filled two flasks with chemicals assumed to be present on the primitive Earth, connected the flasks with rubber tubes and introduced some electrical sparks as a stand-in for lightning. ...

Biology / Cell & Microbiology

created Aug 07, 2009 | popularity 4.6 / 5 (20) | comments 15

Scientists reveal the mystery of sudden cardiac death

(PhysOrg.com) -- Scientists at The University of Manchester have solved a mystery connected with why people die from sudden cardiac arrest during sleep - potentially saving thousands of lives.

Medicine & Health / Medical research

created Jul 05, 2010 | popularity 4.4 / 5 (18) | comments 6 | with audio podcast

Stanford researchers first to turn normal cells into 3-D cancers in tissue culture dishes

Researchers at the Stanford University School of Medicine have successfully transformed normal human tissue into three-dimensional cancers in a tissue culture dish for the first time. Watching how the cells behave as they ...

Medicine & Health / Cancer

created Nov 21, 2010 | popularity 5 / 5 (11) | comments 4 | with audio podcast

Researchers identify genetic signatures of human exceptional longevity

While environment and family history are factors in healthy aging, genetic variants play a critical and complex role in conferring exceptional longevity, according to a new study by a team of researchers from the Boston University ...

Medicine & Health / Genetics

created Jul 01, 2010 | popularity 4.9 / 5 (9) | comments 5 | with audio podcast

Complexity not so costly after all, analysis shows

The more complex a plant or animal, the more difficulty it should have adapting to changes in the environment. That's been a maxim of evolutionary theory since biologist Ronald Fisher put forth the idea in 1930.

Biology / Evolution

created Sep 27, 2010 | popularity 4.6 / 5 (8) | comments 5 | with audio podcast

Molecular mechanism triggering Parkinson's disease identified

Scientists at the Stanford University School of Medicine have identified a molecular pathway responsible for the death of key nerve cells whose loss causes Parkinson's disease. This discovery not only may explain how a genetic ...

Medicine & Health / Medical research

created Jul 28, 2010 | popularity 5 / 5 (7) | comments 6 | with audio podcast

Researchers identify potential molecular target to prevent growth of cancer cells

Researchers have shown for the first time that the protein fortilin promotes growth of cancer cells by binding to and rendering inert protein p53, a known tumor suppressor. This finding by researchers at the University of ...

Chemistry / Biochemistry

created Sep 16, 2011 | popularity 5 / 5 (7) | comments 0 | with audio podcast

New mathematical model explains how hosts survive parasite attacks

In nature, how do host species survive parasite attacks? This has not been well understood, until now. A new mathematical model shows that when a host and its parasite each have multiple traits governing their ...

Biology / Plants & Animals

created Mar 04, 2012 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast

New discovery allows scientists for the first time to experimentally annotate genomes

Over the last 20 years, the sequencing of the human genome, along with related organisms, has represented one of the largest scientific endeavors in the history of mankind. The information collected from genome ...

Biology / Biotechnology

created Nov 09, 2009 | popularity 5 / 5 (6) | comments 0

Powerful mathematical model greatly improves predictions for species facing climate change

UCLA life scientists and colleagues have produced the most comprehensive mathematical model ever devised to track the health of populations exposed to environmental change.

Biology / Ecology

created Dec 03, 2011 | popularity 4.3 / 5 (7) | comments 15 | with audio podcast

Study finds role for parasites in evolution of sex

What's so great about sex? From an evolutionary perspective, the answer is not as obvious as one might think. An article published in the July issue of the American Naturalist suggests that sex may have evolved in part a ...

Biology / Plants & Animals

created Jul 06, 2009 | popularity 4.5 / 5 (6) | comments 6

The Nobel Prize and Pond Scum as a 'Model' Organism

A man is a man and a mouse is a mouse, but if you talk to a few biomedical scientists about their research, at least one is likely to spring the term “mouse model” on you.

Biology / Cell & Microbiology

created Oct 15, 2009 | popularity 4.5 / 5 (6) | comments 0