A large part of the Northern Hemisphere was in the midst of an unusual cold snap for nearly 500 years, from the Middle Ages through the early 19th century, in what scientists now call the “Little Ice Age.”

Researchers are investigating a link between the massive solar minimum that occurred around 2800 years ago and the effects that it had on the climate of Europe.

The recently released eBook "Earth's Natural Climate Pulse" links a naturally occurring climate pulse to recurring cycles of global cooling, global warming, carbon dioxide, melting

WASHINGTON, March 31, 2011 /PRNewswire/ -- Discover the timely missing puzzle pieces to everything on astronomy and climate change that NASA, National Geographic, the Discovery Channel, and National Academy of Science never told you, because they never knew of this first-time-ever-released discovery of the century! Manhin Look-Yat, author of the timely book release TRUE PLANETARY MOTIONS AND RHYTHMIC CLIMATIC CHANGES, sat on a time bomb of astronomical discovery for over 30 years.

WASHINGTON, Dec.