The slavery was abolished by the 13th Amendment of the constitution but they could face punishment for crime and as per the researchers, this became an advantage to exploit afro-americans.
Chemical waste that includes paints, paint products, aerosol canisters, cleaning liquids, and other household acids is even disposed of whole due to damaged packaging.
Chinese Academy of Science reported the first ever quantum-safe video call last year paving the way for future space tech superiority by Chinese scientists
25 geoglyphs found in Peru by Peruvian archaeologist Luis Jaime Castillo along with another researcher Johny Isla, both of them will discuss their finding in Nat Geo program.
The picture has been taken by the space agency's Mars Reconnaissance Orbiter (MRO). It features the "spiders" coming out of the planet's ground at the South Pole.