In severely brain-damaged patients, medical experts find it difficult to distinguish between those that exist in a “minimally conscious state” and those in a vegetative state. but a recent research project combining a mathematical brain model and EEG recordings of brain activity in healthy and brain-damaged patients has identified the “signature of consciousness”, shedding light on the mysterious basis of human consciousness.
In 1998 a group of scientists proposed a mission known as CryoSat to study the planet’s poles. In 2005 the first satellite was lost due to a launch failure. However, at the 2011 Paris Air and Space Show, the first map of sea-ice thickness from ESA’s CryoSat mission was revealed, and has gone far beyond what was expected.
The Envisat – Environmental Satellite – launched by the European Space Agency in 2002 captured this image using the Medium Resolution Imaging Spectrometer (MERIS) on 5 February 2011 of the … [Read full article]