08/11/2013

Twitter is Wall Street hit but challenges lie ahead

Twitter made a spectacular Wall Street debut Thursday but analysts warned of challenges ahead for the popular messaging service vying to become the next fixture for global Internet users.

Image: The coldest city

This week's image was captured over the Sakha Republic in eastern Russia.

Locking down the cloud

A software re-encryption system could allow users to pay for and run applications "in the cloud" without revealing their identity to the cloud host. The same approach would also allow the software providers to lock out malicious ...

Improved decoding of DNA for custom medical treatments

One day, doctors will be able to create custom medical treatment plans based on a patient's DNA, pinpointing the root of a patient's illness and making sure treatment will not cause a fatal allergic reaction. Thanks to Technion ...

In search of a sugar's secrets

The discovery of the origin of enigmatic 'waste' sugar molecules within the cell also hints that they serve some as-yet-undefined function.

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