In worldwide surveillance age, US has big edge (Update)

The saga of Edward Snowden and the NSA makes one thing clear: The United States' central role in developing the Internet and hosting its most powerful players has made it the global leader in the surveillance game.

Reducing negative impacts of palm oil plantations

Harmful environmental and social impacts of palm oil plantations in the developing world could be minimised by buffer zones around towns and villages; protection of areas with high ecosystem value and effective consultation ...

Unzipped nanotubes unlock potential for batteries

(Phys.org) —Researchers at Rice University have come up with a new way to boost the efficiency of the ubiquitous lithium ion (LI) battery by employing ribbons of graphene that start as carbon nanotubes.

Cheaper solar panels fuel rise in renewable energy

A dramatic drop in the price of solar power technology last year helped the continued growth of renewable energy, according to a U.N.-backed report published Wednesday.

Tesla promises to add charging stations

Electric car maker Tesla Motors Inc. promises to boost the number of fast-charging stations in the U.S. and Canada to make cross-country travel by electric car possible in the next year.

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