The University of Maryland School of Medicine announced that its staff had completed the first transplant of a pig's heart into a human. The patient was too sick to qualify for the standard transplant list.
Astronomers have discovered unusual signals coming from the direction of the Milky Way's centre. The radio waves fit no currently understood pattern of variable radio source and could suggest a new class of stellar object.
The teams each used a varied 3D printing technique to construct a cube-shaped tissue about one centimeter thick and capable of functioning for 30 days in the lab.
Chinese and US researchers has found a link between air pollution and human cognitive decline. The study consisted of carrying out math and verbal testing of 25,000 people living in 162 counties in China.
Nanotechnology, the ability to manipulate structures on an atomic level, has the potential to revolutionize our world.