Massive energy releases occur every day in the upper reaches of Earth's atmosphere. Lightning may give rise to these bursts of radiation. However, unlike the well-known flashes of light and peals of thunder familiar to Earth-dwellers, these energy releases are channeled upward and can be detected only from space. Our atmosphere protects us from the effects of this radiation, but the mechanisms at work can impact Earth's upper atmosphere and its space environment.
Review Nokia has cranked up the volume of its mobile music message recently with the debut of its Comes With Music download service and the unveiling of its touchscreen 5800 XpressMusic handset.…
LONDON (Reuters) - President-elect Barack Obama said on Saturday he was crafting a two-year plan to fight an economic crisis of "historic proportions" and Chinese leader Hu Jintao said his country was ready to play a big role in the global effort.