07/09/2017

Chromosome motor discovery supports DNA loop extrusion

It is one of the great mysteries in biology: How does a cell neatly distribute its replicated DNA between two daughter cells? For more than a century, we have known that DNA in the cell is comparable to a plate of spaghetti—a ...

The sand trap: Demand outpaces caution—and knowledge

Sand, spanning miles of beaches, carpeting vast oceans and deserts, is a visual metaphor for limitless resources. Yet researchers in this week's journal Science seize another metaphor - sand in an hourglass, marking time ...

Parched Jordan starts growing vegetables in desert

Jordan, a water-poor country that is 90-percent desert, on Thursday launched a project to turn its sand dunes into farming land to produce food using sun and sea water.

Improving web security without sacrificing performance

Chances are, you're reading this article on a web browser that uses HTTPS, the protocol over which data is sent between a web browser and the website users are connected to. In fact, nearly half of all web traffic passes ...

'Whole houses' swept away by Irma on Branson's island

British billionaire Richard Branson said Thursday that "whole houses" on his private island in the Caribbean had been swept away by Hurricane Irma, leaving it "completely and utterly devastated".

Scientists nail vandals of 800-year-old scroll

More than 800 years ago, a teenaged soldier named Laurentius Loricatus accidentally killed a man. He spent the next three decades repenting alone in an Italian cave, self-flagellating.

EU defence ministers put to test in mock cyberattack

A major cyberattack targets European Union military structures, with hackers using social media and "fake news" to spread confusion, and governments are left scrambling to respond as the crisis escalates.

Researchers analyze flocking behavior on curved surfaces

A murmuration of starlings. The phrase reads like something from literature or the title of an arthouse film. In fact, it is meant to describe the phenomenon that results when hundreds, sometimes thousands, of these birds ...

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