South Africa's Witwatersrand is the site of the world's largest and richest gold deposit. In order to explain its formation, ETH professor Christoph Heinrich took a look back into the Earth's early climatic history.
Earth Sciences
Feb 4, 2015
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Rotten eggs, horse pee, alcohol and bitter almonds: this is the bouquet of odours you would smell if a comet in deep space could be brought back to Earth, European scientists said on Thursday.
Space Exploration
Oct 23, 2014
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Hydrogen sulphide (H2S) is a potent inhibitor of aerobic respiration. However populations of shortfin molly fish managed to colonise springs with high concentrations of dissolved hydrogen sulphide. In a new study researchers ...
Ecology
May 12, 2014
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The first devices for measuring underwater noise have been anchored this week to the bottom of the Baltic Sea on the coast of Finland. The researchers of six countries bordering the Baltic Sea who participate in the BIAS ...
Environment
Oct 21, 2013
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The oxygen situation on deep-sea floors, in open seas in the Gulf of Finland, has deteriorated compared to last year. Results obtained during an expedition by the research vessel Aranda in early summer shows an increase in ...
Environment
Sep 20, 2013
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Researchers have found that the amphibious mangrove rivulus performs higher force jumps on land than some other fishes that end up on land. This new study shows that unlike the largemouth bass, which makes very few excursions ...
Plants & Animals
Jul 5, 2013
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The seas off China have been hit by their largest ever growth of algae, ocean officials said, with vast waves of green growth washing onto the shores of the Yellow Sea.
Environment
Jul 4, 2013
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(Phys.org) —A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US, potentially opening up the possibility of using light emitting diodes (LEDs) universally ...
Electronics & Semiconductors
May 3, 2013
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(Phys.org)—A team of physicists working in Singapore has, for the first time, demonstrated the cooling of a semiconductor using a laser. To achieve this feat, the team, as they describe in their paper published in the journal ...
With a sophisticated X-ray analysis scientists have identified why parts of the Van Gogh painting "Flowers in a blue vase" have changed colour over time: a supposedly protective varnish applied after the master's death has ...
Analytical Chemistry
Sep 14, 2012
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