Earth's oxygen boom: How nickel and urea in early oceans shaped microbial life and set the stage

The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the environment and setting the stage for complex life. This event, known as the ...

Different Types Of Chocolate And How To Use Them

While we all know milk, dark, and white chocolate, the world of chocolate extends far beyond these three classics. An ...
Asia Society

Anthony Yu on Journey to the West

WASHINGTON, DC, April 23, 2010 — Dr. Anthony C. Yu, who translated the Chinese classic Journey to the West, discusses the difficulties and joys of translating cultures. (52 min., 6 sec.) ...
C&EN

Modeling Competitive Adsorption of Mixtures of Volatile Organic Compounds in a Fixed-Bed of Beaded Activated Carbon

‡ Ford Motor Company, Environmental Quality Office, Dearborn, Michigan 48126, United States § Ford Motor Company, Research and Advanced Engineering, Dearborn, Michigan 48121, United States Article ...
IEEE

Low-Cost Phased Array Consisting of a Mixture of Active and Passive Elements

Abstract: This paper proposes a low-cost phased array consisting of a mixture of active and passive elements. In this antenna array, only 2/3 elements are connected to a T/R module (called active ...