News tagged with transition zone

Image: Lake Chad from orbit

This Landsat-8 image from 4 July 2014 shows Lake Chad in West Africa's Sahel region – a transition zone between the Sahara Desert to the north and savannahs and woodlands to the south.

Sep 05, 2014 5 / 5 (1) 0

Morphing manganese

An often-overlooked form of manganese, an element critical to many life processes, is far more prevalent in ocean environments than previously known, according to a study led by University of Delaware researchers ...

Aug 22, 2013 4 / 5 (2) 0 | with audio podcast

Venus caught transiting the Sun

The very rare astronomical event of Venus, the nearest planet to Earth, passing in front of the solar disk on June 5th and 6th, 2012, was captured by an international team headed by Jay Pasachoff (Williams College and Caltech) ...

Oct 22, 2012 4.5 / 5 (2) 0