17/02/2016

New method reduces need for fish in experiments

Fish are commonly used in experiments to identify environmental hazards and pollutants in water. As gills are in constant contact with the water, they are often the focal point for studies seeking to understand the effects ...

Researchers consider whether fish have feelings

The question of whether animals other than humans can think and feel has been debated for centuries. Most of us would agree that humans have a level of consciousness, loosely defined as an ability to experience thoughts and ...

New ways to construct contactless magnetic gears

The new milk frother you are using to prepare your cappuccino is likely using magnetic gears. Magnetic gears transmit rotary motion like mechanical gears but instead of teeth they use magnetic attraction and repulsion between ...

Pay-per-click advertising lacks controls against fraud

Payment-per-click is one of the most popular pricing models for online advertising, but the rate of click fraud is staggering. In 2014, marketers lost $11.6 billion in advertising because of fraudulent clicks.

Team measures lightning-produced ozone with Lidar

Scientists at The University of Alabama in Huntsville (UAH) have used UAH's Rocket-city Ozone (O3) Quality Evaluation in the Troposphere (RO3 QET) Lidar to measure ozone that was chemically produced by summertime lightning ...

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