Handheld device for doing blood tests moves closer to medical use

Scientists are reporting a key advance in efforts to develop a handheld device that could revolutionize the complete blood cell count (CBC), one of the most frequently performed blood tests used to diagnose and treat disease. ...

Male extinction prevented by promiscuous females

Female fruit flies with a large number of sexual partners are playing an invaluable role in preventing the extinction of males, research at the University of Liverpool has shown.

More sperm cells may be needed to overcome high mortality rate

It's one of the true miracles of life, that moment when hundreds of little sperm make it all the way to an unfertilized egg and one breaches its walls. But what of all those other spermatozoa, the hundreds of millions of ...

Bay Area startups developing the high-tech way to make a baby

As Silicon Valley technophiles use devices to collect data on everything from how many calories they burn to their fluctuating stress levels and their posture, a group of entrepreneurs is bringing that technology somewhere ...

Examining new trends in citizen science

At the start of every year, most people will have made a list of New Year's resolutions. Some of the most common this year will be to get fit, adopt healthy eating habits and spend more time with the family. But have you ...

Study finds high level of bacteria in bottled water in Canada

A Montreal study finds heterotrophic bacteria counts, in more than 70 percent of bottled water samples, exceed the recommended limits specified by the United States Pharmacopeia (USP). Researchers from Ccrest laboratories ...

Snowy owls invade US 'south' as cold has effect

Reports from tens of thousands of bird-counting volunteers show a southern invasion of Arctic-dwelling snowy owls has spread to 25 U.S. states, and frigid cold is causing unusual movements of waterfowl.

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