Ozone masks plant's volatiles, plant eating insects confused

(Phys.org) —Increases in ground-level ozone, especially in rural areas, may interfere not only with predator insects finding host plants, but also with pollinators finding flowers, according to researchers from Penn State ...

Obama yields on smog rule in face of GOP demands (Update)

(AP) -- In a dramatic reversal, President Barack Obama on Friday scrubbed a clean-air regulation that aimed to reduce health-threatening smog, yielding to bitterly protesting businesses and congressional Republicans who ...

Making liquid power

(PhysOrg.com) -- Power is a game of supply and demand. Unfortunately, it is also a very time sensitive game. You not only have to make the right amount of power, but you have to make it at the right time. Power is largely ...

New sensor detects low air humidity

Measuring air humidity is important in many areas. However, conventional sensors in hygrometers have so far not been able to determine a very low water vapor content. Physicists at the University of Duisburg-Essen (UDE) and ...

Effectively removing carbon dioxide from the atmosphere

Researchers at the Paul Scherrer Institute PSI and ETH Zurich have investigated the extent to which direct capture of carbon dioxide (CO2) from the ambient air can help to effectively remove greenhouse gasses from the atmosphere. ...

How grasslands respond to climate change

"Based on field experiments with increased carbon dioxide concentration, artificial warming, and modified water supply, scientists understand quite well how future climate change will affect grassland vegetation. Such knowledge ...

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