Another reason to flip the off switch: light pollution

More than 80 percent of humanity lives under skies saturated with artificial light, scientists recently calculated.

Most mutations in cancer are random DNA mistakes: study

Environment is a factor in 29 percent of the mutations in cancer, while heredity accounts for five percent, according to a new study.

Spacewalking astronauts to upgrade orbiting lab

The spacewalk will be the latest in a series of outings to install new docking ports for the next generation of commercial spacecraft.

Cabin or hold? Tech ban latest step in bomb detection battle

The ban does not mean a powerful laptop-hidden explosive device would usually be any safer if it got into the hold, even though there has been research into stronger bag containers

Smartphone device can test sperm quality

Infertility affects more than 45 million couples worldwide. Over 40 percent of fertility problems are due to poor quality sperm.

Scientists uproot dinosaur family tree

A new dinosaur evolutionary tree, published in the journal Nature, proposes two new base groups, in which bird- and reptile-hipped lizards are now mixed.

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Cape Town expedition hopes to raise awareness on climate change

A total of 22 projects covering terrestrial, marine and atmospheric disciplines were completed during the expedition that pushed science beyond cultural and geographical borders.

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Hacked websites on the rise: Google

The news comes amid growing concerns over cyber security in the wake of massive hacks affecting Yahoo, the US government and major e-commerce firms.

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