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Fill up with biodiesel, please
One day, petroleum and fuels derived from it will be exhausted. Moreover, every time we take to the road in our vehicle, the mark we leave on the natural environment is huge. Nowadays, new alternatives to fossil fuels are being developed. One of these is biodiesel, a fuel produced from vegetable oil. For a month now this biodiesel can be found in... view more... (2004-05-14)
Adverse reactions to antibiotics send thousands of patients to the ER
Adverse events from antibiotics cause an estimated 142,000 emergency department visits per year in the United States, according to a study published in the September 15, 2008 issue of Clinical Infectious Diseases. view more (2008-08-13)
A baby's smile is a natural high
The baby's smile that gladdens a mother's heart also lights up the reward centers of her brain, said Baylor College of Medicine researchers in a report that appears in the journal Pediatrics today. view more (2008-07-07)
UK STUDY SHOWS DOUBLING OF WHEEZING AMONG PRESCHOOL CHILDREN IN 1990s (p 1821)
A study in this week's issue of THE LANCET describes an increase of all types of wheezing disorders in preschool children over the past 10 years A substantial increase in reported wheeze and doctor-diagnosed asthma in schoolchildren has been documented since the 1960s in several countries. However, there is no consistent evidence for a change in... view more... (2001-06-06)
Hissing cockroaches are popular, but they also host potent mold allergens
Their gentle nature, large size, odd sounds and low-maintenance care have made Madagascar hissing cockroaches popular educational tools and pets for years. But the giant insects also have one unfortunate characteristic: Their hard bodies and feces are home to many mold species that could be triggering allergies in the kids and adults who handle... view more... (2008-03-18)
Chemistry sets for grownups
The best thing about chemistry class in school was always the experiments. It stank, it smoked and best of all things exploded. The students were highly delighted when the teacher's own experiments ran out of control. But large-scale chemical accidents are no laughing matter. A reactor containing tons of chemicals can be a real danger. In... view more... (2003-09-18)
Management of asthma during pregnancy can optimize health of mother and baby
Pregnant women with asthma, the most common condition affecting the lungs during pregnancy, should actively manage their asthma in order to optimize the health of mother and the baby, according to new management recommendations published in the current issue of the New England Journal of Medicine. view more (2009-04-30)
Computer predicts reactions between molecules and surfaces, with 'chemical precision'
Good news for heterogeneous catalysis and the hydrogen economy: computers can now be used to make accurate predictions of the reactions of (hydrogen) molecules with surfaces. An international team of researchers, headed by Leiden theoretical chemist Geert-Jan Kroes, published on this subject this week in the journal Science. view more (2009-11-09)
Cell that triggers symptoms in allergy attacks can also limit damage, Stanford researchers find
A blood cell known as a troublemaker for triggering the itch and inflammation in allergy attacks, the mast cell, can also calm down the flare-ups. view more (2007-09-04)
Lead exposure plus high blood pressure may impair mental ability
Exposure to lead in early childhood and adolescence may contribute to hypertension-related decline that can impair a person's cognitive abilities, according to a new study presented at the 2005 American Heart Association's High Blood Pressure Research meeting. view more (2005-09-26)
Models begin to unravel how single DNA strands combine
Using computer simulations, a team of University of Wisconsin-Madison researchers has identified some of the pathways through which single complementary strands of DNA interact and combine to form the double helix. view more (2009-10-07)
Fine-tuning an anti-cancer drug
Cancer remains a deadly threat despite the best efforts of science. New hopes were raised a few years ago with the discovery that the uncontrolled growth of cancer cells could be thwarted by blocking the action of proteasomes. view more (2009-08-19)
Dancing 'adatoms' help chemists understand how water molecules split
Single oxygen atoms dancing on a metal oxide slab, glowing brighter here and dimmer there, have helped chemists better understand how water splits into oxygen and hydrogen. In the process, the scientists have visualized a chemical reaction that had previously only been talked about. The new work improves our understanding of the chemistry needed... view more... (2009-03-17)
Study indicates different treatment may be needed for infection-related breathing problems
New research suggests that different treatments may be needed for chronic asthma, depending on whether it results from allergies or lung infections. view more (2007-01-31)
Genetic Testing Could Identify HIV Patients At Risk Of Hypersensitivty To HIV Drug (pp 722, 727)
HIV patients at risk of a potentially fatal hypersensitive reaction to the antiretroviral drug abacavir could be identified by genetic testing before drug therapy has started, suggest authors of a fast-track study in this week's issue of THE LANCET. The use of the HIV antiretroviral drug abacavir, a potent HIV-1 nucleoside-analogue... view more... (2002-02-28)
Post brain injury: New nerve cells originate from neural stem cells
Most cells in the human brain are not nerve cells, but supporting cells (glial cells). They serve as a framework for nerve cells and play an important role in the wound reaction that occurs with injuries to the brain. view more (2008-03-12)
Viagra may affect fertility
Researchers from Belfast reveal today that men who take Viagra when they are hoping to start a family could be affecting their fertility. A group lead by Dr Sheena Lewis at the Department of Obstetrics and Gynaecology at Queen's University Belfast have shown that while Viagra enhances sperm motility it also seems to speed up the 'acrosome... view more... (2004-03-31)
Shark attack worries? Driving to the beach is more deadly
Which is more likely to happen-you being in a car wreck or being bitten by a shark? Those who answered that cars are greater killers win a free trip to the beach view more (2005-06-30)
Licence to go where no chemist has gone before
Scientists at The University of Nottingham have overcome one of the significant research challenges facing electrochemists. For the first time they have found a way of probing right into the heart of an electrochemical reaction. view more (2009-09-29)
Facial Expressions are Contagious
We meet a smile with a smile, and an angry face with a frown. Facial expressions are very contagious, even on a subconscious level. But if this reaction is pure mimicry or a true reflection of an evoked feeling, is too early to say. Professor Ulf Dimberg, Uppsala University, presents new facts concerning facial expressions in a research report... view more... (2000-03-29)
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