Raindrops aren't only formed from condensed water vapor; some result from micrometeorites, and others deliver bacteria from the upper atmosphere. Air Date : 23rd-May-2013  Read More

Tsunamis form in the open ocean before making toward land. Science seeks not only to understand these giant waves but also predict them. Air Date : 23rd-May-2013  Read More

Earthquakes can actually affect Earth's gravity, and the ability of scientists to map gravitational fiels has uncovered mysterious anomalies. Air Date : 13th-Jun-2013  Read More

Earth's distance from the sun is just right to sustain life, with neighbors Venus and Mars illustrating the impact of a slight difference in location. Air Date : 20th-Jun-2013  Read More

A metallic core at the center of the Earth turns the planet into a magnet, generating a field that protects life on the surface from cosmic radiation. Air Date : 27th-Jun-2013  Read More

A visit to the researchers at a Colorado storm lab and an examination of lake-effect snow in northern New York reveal the science of blizzards. Air Date : 4th-Jul-2013  Read More

Water levels rise up to 50 feet at high tide in Canada's Bay of Fundy, while the Turnagain Arm in Alaska experiences 10-foot-high tidal "bore waves." Air Date : 18th-Jul-2013  Read More

As evidenced by the 1815 eruption of Indonesia Mt. Tambora, volcanoes can profoundly impact the weather, producing lightning, ash and acid rain. Air Date : 25th-Jul-2013  Read More

The world's most astonishing sites include extreme underwater ecosystems, steamy subterranean worlds and stratling igneous formations of lava rock. Air Date : 1st-Aug-2013  Read More