Researchers zero in on methane released from reservoirs

Methane is a potent greenhouse gas that accounts for about a fifth of today's global warming. In addition to methane emitted from livestock and other agricultural practices, the gas is also spewed from the production, transport, ...

Light unbound: Data limits could vanish with new optical antennas

Researchers at the University of California, Berkeley, have found a new way to harness properties of light waves that can radically increase the amount of data they carry. They demonstrated the emission of discrete twisting ...

Colour vision makes birds of prey successful hunters

In many cases it is the colour of the prey that helps predatory birds to detect, pursue and capture them. In a new study, biologists at Lund University in Sweden show that the Harris's hawk has the best colour vision of all ...

Humans and baboons share cumulative culture ability

The ability to build up knowledge over generations, called cumulative culture, has given mankind language and technology. While it was thought to be limited to humans until now, researchers from the Laboratoire de psychologie ...

Wind tunnel begins operations

On hot days it is often very still in cities because the high density of buildings prevents the air from circulating freely. In the newly commissioned wind tunnel operated by Empa and the ETH Zurich wind effects and thermal ...

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