US military worries about losing hi-tech edge

The US military is in danger of losing its technological advantage unless it invests in research and finds ways to build innovative weapons much faster, top officials said Thursday.

The TRMM rainfall mission comes to an end after 17 years

In 1997 when the Tropical Rainfall Measuring Mission, or TRMM, was launched, its mission was scheduled to last just a few years. Now, 17 years later, the TRMM mission has come to an end. NASA and the Japan Aerospace Exploration ...

First report of a new crop virus in North America

The switchgrass exhibited mosaic symptoms—splotchy, discolored leaves—characteristic of a viral infection, yet tested negative for known infections. Deep sequencing, a new technology, revealed the plants were infected ...

Engineers now understand how complex carbon nanostructures form

Carbon nanotubes (CNTs) are microscopic tubular structures that engineers "grow" through a process conducted in a high-temperature furnace. The forces that create the CNT structures known as "forests" often are unpredictable ...

The origin of the Moon and its composition

The Moon is thought to have formed from the debris of a small planet that collided with the Earth. Since the composition of other planets in the solar system differs from that of the Earth, it was expected that the Moon's ...

New data shows cosmic rays are more complex than expected

During the American Physical Society's 2015 April Meeting, to be held April 11-14 in Baltimore, Maryland, Eun Joo Ahn from Fermilab will present data from the most extensive study yet on the composition of cosmic rays—an ...

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