A German research team has developed a tandem solar cell that reaches 24 percent efficiency – measured according to the fraction of photons converted into…
Posts published in “University of Cologne”
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The Cosmic Microwave Background (left) was released 380,000 years after the Big Bang, and it acts as a background to all galaxies in the Universe.…

NASA’s Mars Insight Lander Uses Wind-Induced Vibrations To Reveal the Red Planet’s Subsurface Layers
An artist illustration of the InSight lander on Mars. InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is designed to give…
Although sun radiation was relatively low, the temperature on the young Earth was warm. An international team of geoscientists has found important clues that high…
The two largest quakes detected by NASA’s InSight appear to have originated in a region of Mars called Cerberus Fossae. Scientists previously spotted signs of…
a Map of Greenland and location of NGRIP ice core; b Map of northeastern Africa, the Near East, and southeastern Europe showing important fossil and…
3.5 billion-year-old barite (bottom) with fossilized microbial mat (top). This barite is part of the Dresser Formation in NW Australia. Credit: Helge Missbach A research…
3D model of the active center of the catalyst Titanium Silicalite -1 with the titanium pair (light grey). Credit: ETH Zürich Activity of the industrial…
Matter from the surrounding protoplanetary disk, the birthplace of planets, is channeled onto the stellar surface by magnetic fields shocking the surface at supersonic velocity.…
The rock is composed mainly of the mineral olivine. These oldest preserved mantle rocks of the Earth provide new evidence that water and other elements…
Shigella bacteria can override programmed cell death, thereby establishing a niche to spread. Credit: Hamid Kashkar, University of Cologne Certain bacteria can override a defense…