The body hair difference is even more pronounced between the two species than within our own species. Do the same genes cause both types of variation?…
As the brain develops, neuronal axons extend outward in search of other neurons, all the while receiving ‘directions’ from the extracellular environment in the…
One of the most dramatic hormonal fluctuations occurs during pregnancy, and many professional singers have experienced difficulty singing while pregnant….
Autosub6000 was working in regions of the Iberian Abyssal Plain in the North Atlantic deeper than 5600 metres and also around the steep and rugged terrain of…
Scientists widely accept that around 2.4 billion years ago, the Earth’s atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the…
In all its forms, scleroderma gives Dartmouth geneticist Michael Whitfield, his graduate students, and his postdoctoral researchers a sense of urgency in their…
Embryonic development is like a well-organised building project, with the embryo’s DNA serving as the blueprint from which all construction details are…
From Proust’s Madeleines to the overbearing food critic in the movie Ratatouille who’s transported back to his childhood at the aroma of stew, artists have…
This work, developed at the department of Computer Architecture and Technology of the UGR, has designed several algorithms that permit to look for the best…
If you forget your password when logging into an e-mail or online shopping Web site, the site will likely ask you a security question: What is your mother’s…
The fig wasps travel these distances in search of trees to lay their eggs, which offers hope that trees pollinated by similar creatures have a good chance of…
They were first discovered in 2002 by researchers at the Monterey Bay Aquarium Research Institute (MBARI), who were using a robot submarine to explore Monterey…
Investigators at Burnham Institute for Medical Research (Burnham) and colleagues have identified a novel mouse gene (Rps23r1) that reduces the accumulation of…
Pharmacy scientists at the University of Maryland, Baltimore (UMB) have identified antidepressant and anti-anxiety behaviors in tests of mice lacking the gene.
The work provides the first evidence that a lipid can initiate the suicidal, or apoptotic, response in cells. The findings involve a lipid called…
A team of scientists at Cold Spring Harbor Laboratory (CSHL) reports on Thursday their success in solving the molecular structure of a key portion of a…
Like all retroviruses, the AIDS virus (HIV) integrates its DNA into the genome of the infected cell. As integration sites, HIV usually prefers active genes…
The lipid that accumulates in brain cells of individuals with an inherited enzyme disorder also drives the cell death that is a hallmark of the disease,…
The study, by researchers at the University of Michigan, appears in the November/December 2009 issue of the journal Child Development.The researchers carried…
Meiosis – the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell – is a major crossroads in all organisms…
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