25/09/2014

Why natural networks are more stable than man-made networks

(Phys.org) —Interconnected natural networks, such as the ones formed by neurons in the brain, are known to be more stable and resilient to failure than networks created by humans, such as the Internet. Now, a group of international ...

When finding 'nothing' means something

Scientists usually communicate their latest findings by publishing results as scientific papers in journals that are almost always accessible online (albeit often at a price), ensuring fast sharing of latest knowledge.

How genes trace life on Earth

A complete tree of life – showing how and when organisms are related to each other – has long been desired by biologists, but obscured by the vagaries of the fossil record.

Self-organized indium arsenide quantum dots for solar cells

Kouichi Yamaguchi is internationally recognized for his pioneering research on the fabrication and applications of 'semiconducting quantum dots' (QDs). "We exploit the 'self-organization' of semiconducting nanocrystals by ...

Catching the planets and new views of Mars

Looking west after sunset on Friday September 26, the thin waxing crescent moon forms a triangle with Mercury and Spica, the brightest star in the constellation of Virgo. You can see how far Mercury has travelled since passing ...

The bottom line on sustainability

Climate change, pollution, dwindling natural resources, diminishing fresh water supplies… the list of problems we face as a species in the twenty-first century continues to grow. Many of the environmental problems are sadly ...

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