The average life span for Americans hovered around 40 years for the first 100 years of the nation’s existence. But after 1880, breakthroughs in modern medicine and public health resulted in a dramatic rise in life expectancy. By 1930, the average American could expect to enjoy an additional 20 years of life.
Source: Science – Space – phys
The aurora australis arcs over Earth during an active solar event in this photograph taken at approximately 11:32 p.m. local time from the International Space Station as it orbited 271 miles above the Indian Ocean southwest of Perth, Australia on…
New observatories and spacecraft missions are probing environments in our solar system that could potentially host life but have long remained hidden. Icy moons like Saturn’s Enceladus and Jupiter’s Europa likely contain oceans beneath frozen outer shells. But a layer…
The world’s most powerful particle accelerator will shutter operations Monday for four years of renovations to dramatically boost its collision capacity and the potential for unlocking one of the greatest mysteries of the universe: dark matter.
