Birds undertake remarkable migrations, utilizing a complex navigation system that combines familiar senses with extraordinary abilities. They rely on landmarks, the sun, stars, and even the Earth ...

Researchers from the Konstanz-based Cluster of Excellence "Collective Behavior" developed a unique outdoor camera system to measure 3D movements and postures of wild birds. The system is mobile ...

We recommend such a zoning approach should employ a traffic-light system, highlighted by colored ... such as areas of lowland heath where birds nest on the ground or beaches where young seal ...

Between 10 and 20 per cent of the Western adult population has high blood pressure. The sensation of pins and needles is caused by an impairment of blood circulation.

Choose from Human Circulatory System Diagram stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing ...

Drained for maintenance, the Miraflores Locks remain impressive after 93 years of operation. A recently approved expansion plan will double canal capacity by 2015. In late August, traffic jams at ...

Choose from Child Circulatory System stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing ...

Hypertension, or high blood pressure, is when your blood travels through blood vessels with more force than is considered healthy. When blood pressure is high, it can damage artery and blood ...

By cleaning up open-air markets and regularly slaughtering infected birds, Hong Kong remained free of H5N1 outbreaks in poultry during the 2004 influenza crisis, according to Robert Webster ...