Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...

Green chemistry involves the development of chemical products and processes that minimize the use and generation of hazardous and unwanted substances. Current lithium-ion battery cathode ...

flat abstract swirls and flow for logo design. Vector isolated set of swirl air wave weather illustration 4_neon line_white Light white Twirl. Curve light effect of violet line. PNG Light white ...

The primary source code repository for Macaulay2, a system for computing in commutative algebra, algebraic geometry and related fields.