31/07/2013

DuPont wins fight for South African seed company

After a nearly three-year battle with South African regulators, DuPont Co. said Wednesday that it has completed the purchase of a majority stake in South Africa's Pannar Seed. The deal greatly expands the chemical and seed ...

Fully-owned NBCUniversal boosts Comcast 2Q results

The decision by Comcast Corp., the country's largest cable company, to buy out General Electric in NBCUniversal looks like a smart one, as the media conglomerate posted strong results for the second quarter.

Using gold and light to study molecules in water

Thanks to a new device that is the size of a human hair, it is now possible to detect molecules in a liquid solution and observe their interactions. This is of major interest for the scientific community, as there is currently ...

Leaked docs give new insight into NSA's searches (Update 2)

Documents published by the Guardian newspaper are providing new insight into the National Security Agency's surveillance of world data, giving an over-the-shoulder look at the programs and techniques U.S. intelligence analysts ...

US declassifies surveillance order amid snooping debate

The Obama administration on Wednesday declassified a court order authorizing collection of millions of US phone records, even as it faced new disclosures about the reach of its secret electronic surveillance programs.

Binding together repelling atoms

Basic chemistry tells us that a bond between atoms can form if it is energetically more favorable for the atoms to stick together than staying apart. This fundamentally requires an attractive force between the atoms. However, ...

Guided growth of nanowires leads to self-integrated circuits

Researchers working with tiny components in nanoelectronics face a challenge similar to that of parents of small children: teaching them to manage on their own. The nano-components are so small that arranging them with external ...

Key factors for wireless power transfer

What happens to a resonant wireless power transfer system in the presence of complex electromagnetic environments, such as metal plates? A team of researchers explored the influences at play in this type of situation, and ...

The pathway to potato poisons

In 1924, Science magazine reported on a fatal case of potato poisoning: James B. Matheney of Vandalia, Illinois, had gathered about one and a half bushels of tubers, which had turned green due to sunlight exposure. Two days ...

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