ETH Zurich

Peat soils as gigantic batteries

Wetlands, including peatlands, have a high content of humic substances, which are organic compounds that form during incomplete decomposition of biomass. Under anoxic conditions, soil bacteria can use these ...

Feb 28, 2014 4.8 / 5 (6) 1

Sponge bacteria, a chemical factory

Sponges are unique beings: they are invertebrates that live in symbiosis with sometimes hundreds of different types of bacteria; similar to lichens which are a biocoenosis of algae and fungi. "Put simply, ...

Jan 29, 2014 4.8 / 5 (6) 0 | with audio podcast

Continents set the pace

The origin and stimulus behind plate tectonics has been simulated with the aid of high-performance computers. A new study sheds light on the role continents play in the formation of oceanic crust.

Jan 28, 2014 3.9 / 5 (7) 0

Hydrogen-powered invasion

Although mankind is only just beginning to use hydrogen as an energy source, the concept has been established in nature for a long time. Researchers at ETH Zurich have discovered that the diarrhea-causing ...

Dec 11, 2013 5 / 5 (6) 0 | with audio podcast

Peaceful bumblebee becomes invasive

Bumblebees look cute. They have a thick fur, fly somewhat clumsily and are less aggressive than honeybees or wasps. They are very much appreciated by farmers as keen pollen collectors. Particularly in the ...

Dec 09, 2013 4.3 / 5 (3) 2 | with audio podcast

New algorithm makes quadrocopters safer

Drones like quadrocopters have become very popular with hobbyists due to their simplicity and agility. But they are also increasingly being used for commercial applications such as aerial photography and ...

Dec 04, 2013 4.8 / 5 (6) 0 | with audio podcast

Why lithium-ion-batteries fail

Materials in lithium ion battery electrodes expand and contract during charge and discharge. These volume changes drive particle fracture, which shortens battery lifetime. A group of ETH scientists together ...

Oct 17, 2013 4.6 / 5 (24) 0 | with audio podcast

Bad news for fake pearls

(Phys.org) —For the first time, a group of researchers has succeeded in isolating DNA from pearls and used their genetic material to identify the specific species of oyster that produced the pearl. In a ...

Oct 16, 2013 3 / 5 (2) 2 | with audio podcast