Browse Reference Articles
311 to 320 of 414 articles
-
Earth science
Many scientists are now starting to use an approach known as Earth system science which treats the entire Earth as a system in its own right, which evolves as a result of positive and negative ... > more -
The Long Tail
The phrase The Long Tail describes certain business and economic models used by some larger Internet businesses. Products that are in low demand or have low sales volume can collectively make up a ... > more -
Atomic orbital
Atomic orbitals are the quantum states of the individual electrons in the electron cloud around a single atom. Specifically, atomic orbitals are the quantum states of the individual electrons in the ... > more -
Chemical warfare
Chemical warfare is warfare using the toxic properties of chemical substances to kill, injure or incapacitate an enemy. About 70 different chemicals have been used or stockpiled as Chemical Weapons ... > more -
Sports Science
Sports Medicine
Healthy Aging
Attention Deficit Disorder
Pregnancy and Childbirth
Workplace Health
Leonardo da Vinci
Leonardo da Vinci (born April 15, 1452 in Vinci, Italy, and died on May 2, 1519 in Cloux, France) was an Italian Renaissance architect, musician, anatomist, inventor, engineer, sculptor, geometer, ... > more -
Cruise missile
A cruise missile is a guided missile which uses a lifting wing and most often a jet propulsion system to allow sustained flight. Cruise missiles are, in essence, unmanned aircraft. They are generally ... > more -
Boiling point
The boiling point of a substance is the temperature at which it can change its state from a liquid to a gas throughout the bulk of the liquid. A liquid may change to a gas at temperatures below the ... > more
Search ScienceDaily
Number of stories in archives: 137,190

