15/09/2015

New perspectives for long-term climate predictions?

The natural, 11-year cycle of solar activity is apparently influencing long-term climate fluctuations in the Northern Hemisphere. An international team of scientists led by GEOMAR Helmholtz Centre for Ocean Research Kiel ...

A small, inexpensive high frequency comb signal generator

The manipulation of electromagnetic radiation is an essential function of today's technology. Low frequency radiation—in the kilohertz and megahertz range—is easier to generate than gigahertz radiation. Yet higher frequencies ...

How much water does US fracking really use?

Energy companies used nearly 250 billion gallons of water to extract unconventional shale gas and oil from hydraulically fractured wells in the United States between 2005 and 2014, a new Duke University study finds.

New DNA research reveals genetic heritage of elusive vaquita

A new method of teasing information from scarce and highly degraded genetic samples is helping NOAA Fisheries and Mexican scientists unravel the genetic heritage of the enigmatic vaquita, the most endangered marine mammal ...

Dealing with climate change and local beliefs in Africa

Experts should take note of local knowledge and beliefs when making plans about how to help people in vulnerable regions cope with the impacts of climate change. This will ensure that such interventions are money well spent, ...

Bond gene in fruit flies controls fertility of rival males

For many animals, pheromones, which are chemical cues used for communication, guide important decisions such as whom to mate and whom to fight. New research from scientists at the University of Hawai'i - Mānoa's (UHM) Pacific ...

page 5 from 12