Rivers flow differently over gravel beds, study finds

River beds, where flowing water meets silt, sand and gravel, are critical ecological zones. Yet how water flows in a river with a gravel bed is very different from the traditional model of a sandy river bed, according to ...

Researchers compare efficacy of 'natural' bed bug pesticides

Concerns over human-insecticide exposure has stimulated the development of alternative bed bug control materials, and many essential oil-based pesticides and detergent insecticides have been developed in recent years. But ...

Eradication efforts unite to preserve fairy-wren population

Indigenous rangers and the Department of Agriculture and Food have been working with pastoralists to eradicate ornamental rubber vine (Cryptostegia madagascariensis) growing along the river banks at Mount House station in ...

What do we do when a well blows out?

Oil and gas companies are worried about gas discharges at the sea bed. Recent field experiments can now quantify the volumes of gas reaching the sea surface and how they spread in the atmosphere.

Scapa Flow reveals rare sighting of Flame Shell molluscs

Led by Dr Joanne Porter of Heriot-Watt University, 12 divers from Seasearch, the volunteer dive project co-ordinated by the Marine Conservation Society (MCS) were diving in Orkney from the MV Halton, skippered by Bob Anderson.

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