Archive: 31/03/2014

Using different scents to attract or repel insects

Flowering plants attract pollinating insects with scent from their flowers and bright colours. If they have become infested with herbivores like caterpillars, they attract beneficial insects like parasitic wasps with the ...

dateMar 31, 2014 in Ecology
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Cities open up to congestion charging

Traffic jams aren't the only things that disappear when congestion charging programs are implemented. A Swedish researcher finds that opposition to these proposals appears to vanish once they take effect.

dateMar 31, 2014 in Engineering
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NGOs set one-year deadline to stop Xayaburi dam

Leading non-governmental organisations (NGOs) today issued a joint declaration in opposition to on-going construction of the Xayaburi dam on the Mekong River mainstem, and called on the Thai government to cancel the Power ...

dateMar 31, 2014 in Environment
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