735,951 articles

The Sun Rips off a Comet's Tail

Earlier this year, Comet Encke was passing a little too close to the Sun when a coronal mass ejection (CME) hit the comet and ripped off its tail. NASA's STEREO spacecraft was watching and recorded a must-see movie featured in today's story.

Contraception: Progress Brings Hope For New Methods For Men

For decades, pundits have predicted new contraceptives for men within the next 5 to 10 years. Are we really getting any closer? Judging from work presented at the second 'Future of Male Contraception' conference, the answer may finally be yes. Among the developments announced at the conference: new hormonal approaches, a vasectomy alternative, and a home sperm count test.

Stress In Elderly Linked To Low Birth Weight

Low birth weight children may be at a greater risk of stress-related health problems as adults, according to a new study. Findings from this study show that low birth weight (below the 10th percentile) can lead later in life to low concentrations of cortisol, a hormone that regulates stress response by adjusting blood pressure and blood sugar levels. An imbalance in cortisol can result in a host...

Surprise In The Organic Orchard -- A Healthier Worm In The Apple

Insects can catch more than a cold from certain viruses. Some viruses can be lethal to pest species - turning their insides to soup - without harming beneficial insects or other organisms. Hence they are used as an environmentally friendly means of biological crop protection worldwide. The proverbial worm in the apple, the codling moth caterpillar, has been controlled in European orchards for...

An iPhone Class Action in the Works

Forget the patent lawsuits. Consumer lawsuits are beginning to spring up against Apple amid the iPhone controversies -- and a class action suit might very well be the next step. Last week a New York woman sued Apple for slashing the price of the iPhone just weeks after its much-hyped launch. Now, a member of Apple's iPhone discussion forum who goes by the name "Myndex" is mulling the...

Americans consider global warming an urgent threat, according to poll

A growing number of Americans consider global warming an important threat that calls for drastic action, and 40% say that a presidential candidate`s position on the issue will strongly influence how they vote, according to a national survey conducted by Yale University, Gallup and the ClearVision Institute.

Both short and long sleep is associated with increased mortality

The first study to assess the stability of three aspects of sleep behavior in relation to long-term mortality finds an increased risk of mortality in short sleep, long sleep and frequent use of medications, according to a study published in the October 1 issue of the journal SLEEP.

Building blocks of life

The £140 million construction of the ISIS Second Target Station at the Rutherford Appleton Laboratory in Oxfordshire is nearing completion. The largest science construction project in the UK, it is on time and on budget.

EBay to Take $1.43B Charge in 3Q

(AP) -- Online auctioneer eBay Inc. said Monday it will take an impairment charge of about $1.43 billion in its third quarter, due in part to payments it made to some Skype shareholders as part of an earn-out agreement.

First International Conference on Quantum Error Correction

Quantum error correction of decoherence and faulty control operations forms the backbone of all of quantum information processing. In spite of remarkable progress on this front ever since the discovery of quantum error correcting codes a decade ago, there remain important open problems in both theory and applications to real physical systems.

Low maternal cholesterol tied to premature birth

Pregnant women who have very low cholesterol may face a greater risk of delivering their babies prematurely than women with more moderate cholesterol levels, a team led by the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health (NIH), reported today.

Scientists to explore nano advancements in DNA sequencing

UC Irvine`s Henry Samueli School of Engineering has been awarded $2.18 million to blend traditional DNA sequencing techniques with cutting-edge nanotechnology to develop a faster and less costly method of analysis. The goal is to make DNA sequencing feasible as a routine part of health care.