Even if they could keep up with such speedy, graceful swimmers as antarctic Weddell seals, neither would be able to observe the animals over the course of a day. Behavioral and Energetic Strategies for Hunting the Antarctic Fast-Ice Environment. The energy given off in minutes by a typical burst can exceed all the energy that will ever be given off by our Sun. What causes such a huge blast remains unknown. Gamma Ray Burst Imagined for First Time.
Site describes theories about possible sources of gamma ray bursts.
The greater prairie chicken once inhabited the entire state of Illinois. Its booming call could be heard for miles around. But as its grassland habitat has diminished, so has the bird. The state's population dropped from 25,000 in 1933, to fewer than 50 by 1993. Site provides vital statistics, range and habitat of the endangered Attwater's Prairie Chicken.