823,565 articles

The Charge of California's Light Brigade

New policies adopted on Thursday by the California Public Utility Commission encourage utilities to rethink their consumer subsidies, which tend to focus on compact fluorescents, in favor of newer and more energy-efficient technologies....

Can't focus? Maybe it's the wrong time of month

Feeling a little sluggish and having trouble concentrating? Hormones might be to blame according to new research from Concordia University published in the journal Brain and Cognition. The study shows that high estrogen levels are associated with an inability to pay attention and learn - the first such paper to report how this impediment can be due to a direct effect of the hormone on mature brain...

CarTel project researching cars as mobile sensors

Data about road and traffic conditions can come from radio stations` helicopters, the Department of Transportation`s roadside sensors, or even, these days, updates from ordinary people with cell phones. But all of these approaches have limitations: Helicopters are costly to deploy and can observe only so many roads at once, and it could take a while for the effects of congestion to spread far...

Key molecule for keeping oral microorganisms in check discovered

A University of Oklahoma research team has uncovered a key to arresting the growth of thrush -a type of oral yeast infection that sickens patients with compromised immune systems, diabetes and newborns as well as healthy individuals, who may contract the disease following antibiotic treatment of an illness.

Leaf-like solar cells: Water-based 'artificial leaf' produces electricity

(PhysOrg.com) -- A team led by a North Carolina State University researcher has shown that water-gel-based solar devices - "artificial leaves" - can act like solar cells to produce electricity. The findings prove the concept for making solar cells that more closely mimic nature. They also have the potential to be less expensive and more environmentally friendly than the current standard-bearer:...

Malaria's newest pathway into human cells identified

Development of an effective vaccine for malaria is a step closer following identification of a key pathway used by the malaria parasite to infect human cells. The discovery, by researchers at The Walter and Eliza Hall Institute in Melbourne, Australia, provides a new vaccine target through which infection with the deadly disease could be prevented.

Research team fully maps human proteome

A Swiss research team from ETH Zurich, led by Professor Ruedi Aebersold, and from the Institute for Systems Biology, Seattle, has used mass spectroscopy methods to fully map the human proteome for the first time. The data is being made available to all researchers.

Stomach-churning experiment not for the faint of heart

(PhysOrg.com) -- If someone is sick next to you on the bus, you'll probably feel disgusted, your stomach will turn and you will start to feel sick as well. But is your stomach churning because you feel disgusted, or is your sense of disgust caused by your stomach churning?