Akathisia literally means inability to sit, and is a type of movement disorder in which the patient feels extreme inner restlessness along with a forcible need or desire to be in continuous motion by performing actions such as rocking backwards and forwards when sitting or standing, marching on the spot by lifting feet and also crossing and ...
The earliest evidence for life on Earth is graphite found to be a biogenic substance in 3.7 billion-year-old metasedimentary rocks discovered in western Greenland and microbial mat fossils found in 3.48 billion-year-old sandstone discovered in Western Australia.
The earliest evidence for life found so far is in a 3.8 billion-year-old rock, the Isua sediments, found in western Greenland. The evidence for life in these rocks does not come from fossilized remains, but from a peculiar chemical signature of living organisms.