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Researchers have developed a type of breathalyser that can diagnose dolphin health by measuring the metabolites in their breath.
The Microsoft chairman answered a panoply of questions from the social news site's users last night, including the most important of all.
In a much-publicized interview, a Harvard geneticist says he can imagine cloning Neanderthals using genome sequencing. But the interview itself apparently got cloned all wrong.
Satellite imaging of nighttime lights helps track the migration and clustering of people, giving researchers the data they need to calculate the risk of outbreaks of infectious diseases such as measles and meningitis.
An experimental type of vaccine that aims to treat, as opposed to prevent, metastatic breast and ovarian cancer shows promise in a small clinical trial.
With launch just six weeks away, NASA has replaced one of the shuttle Discovery's crew members because of a weekend bicycle accident, naming a veteran spacewalker to keep the flight on track for launch Feb. 24.
Microsoft's chairman tells CNET about his philanthropic work over the past year, travels to Africa and India, and his entry into the Twitterverse.
A poorly reported yet interesting survey claims that users of social networks fail to take adequate precautions against malware and other risks.
Here are all of the past episodes that never had a blog post entry for them.