Traditionally, it is taught that the neuron is the functional unit of the nervous system. what do some neuroscientists suggest is a more accurate functional unit? why?

Which technically is nasa developing that will astronauts reach mars

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

What is the farthest destination to date for a human spaceflight mission?