Whether you’re trying to lose a few pounds or put on some weight, smart scales that sync data to the iPhone and iPad can be a fun and useful way to keep an eye on your metrics. If you want to ...

It is desirable that the common reference points are presented in different ways for different purposes. For some purposes it will however be appropriate to summarise the set of proposed Common ...

Feathers are the most characteristic and specialized component of the avian integumentary system, vital for flight, thermoregulation, visual communication, and protection from the elements. There are ...

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During these displays, males will spread their glossy metallic gorgets and hover back and forth rapidly in front of potential mates. Birds vocalize for many different reasons, but some of their most ...