On this Day in History

On this Day in History in 1904: US Congress authorizes Lewis & Clark Expo $1 gold coin.
 
On this Day in History in 837: Best view of Halley’s Comet in 2000 years.
 
On this Day in History in 1970: Apollo 13 announces “Houston, we’ve got a problem!” as Beech-built oxygen tank explodes en route to Moon.

Word of the Day

Word of the Day: Apoptosis
 
Definition: (noun)
 
1) The death of cells which occurs as a normal and controlled part of an organism’s growth or development.
 
2) Programmed cell death
 
Etymology: 1970s: from Greek apoptōsis falling off, from apo from + ptōsis falling, a fall.