America's longest-serving prisoner in solitary has conviction quashed. Albert Woodfox, right, and Herman Wallace in Angola prison, in Louisiana. Woodfoxâs 1972 murder conviction was overturned when a US appeals court ruled his conviction was secured through racially discriminatory means.
Next, the Olmec created a complex drainage system. These inventions helped the Olmec survive. In addition to their inventions, they also understood many things in life, such as the concept of zero ,linear time, and gravity.
The Olmecs were one of the oldest civilizations of Mesoamerica. What is known about the Olmec people is known from the artifacts that were found.In fact, the discovery of thi â¦ s ancient civilization happened by accident. A farmer was clearing land and he found a massive stone head.Later, 17 stone heads were discovered.hat is known about the Olmec people is known from the artifacts that were found. In fact, the discovery of thi â¦ s ancient civilization happened by accident. A farmer was clearing land and he found a massive stone head. Later, 17 stone heads were discovered.