That’s according to a study published Monday in the Proceedings ... to compare lineages of 14 types of iguana, as well as fossil data and geologic records, to determine the time frame of the ...

The ability of GPS devices to obtain a positional fix at any time of the day anywhere on Earth makes them extremely useful to the study of animal migration, particularly for marine mammals ...

The ability of GPS devices to obtain a positional fix at any time of the day anywhere on Earth makes them extremely useful to the study of animal migration, particularly for marine mammals ...