Improved risk management for geothermal systems

Enhanced geothermal systems (EGS) are considered a promising source of energy that is clean, provides a sustainable baseload for heat and electricity, and is an emerging key technology in the long-term transition to a fossil ...

Wolves more prosocial than pack dogs in touchscreen experiment

In a touchscreen-based task that allowed individual animals to provide food to others, wolves behaved more prosocially toward their fellow pack members than did pack dogs. Rachel Dale of the Wolf Science Center in Vienna, ...

Hippos, the animal silicon pumps

The excrement of hippos plays an important role in the ecosystem of African lakes and rivers. Because there are fewer and fewer hippos, this ecosystem is in danger. In the long term, this could lead to food shortages at Lake ...

Resolving the 'invisible' gold puzzle

The Carlin-type gold deposits in Nevada, U.S., are the origin of five percent of the global production and 75 percent of the U.S. production of gold. In these deposits, gold does not occur in the form of nuggets or veins, ...

Researchers find water in samples from asteroid Itokawa

Two cosmochemists at Arizona State University have made the first-ever measurements of water contained in samples from the surface of an asteroid. The samples came from asteroid Itokawa and were collected by the Japanese ...

US wildlife officials propose downlisting endangered beetle

Federal wildlife officials said Wednesday a large scavenging beetle that has been classified as endangered since 1989 has become more plentiful and should be downlisted to threatened, a decision that environmentalists said ...

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