A 5th C. B.C. Greek philosopher was 1st to theorize that all matter is made of these
Term for creatures like vultures or hermit crabs that eat carcasses & refuse
Days & nights are always 12 hours long there
If you're studying mensuration, you're studying this
Bioluminescence is the emission of this from living organisms
Robotics is related to this "6 million dollar" field of science
Of a quartan, joule, or kilocalorie, the one that is not a unit of energy
Element represented by the letters "Cu"
Term for the blood vessels which take the blood from the heart
In the scientific categories, Americans have won 142, or 38%, of these awards 1st given in 1901