Organolithium compounds, molecules containing a carbon–lithium bond, are excellent precursors for building new carbon–carbon ...

It marks the 10th - and coldest - polar vortex this season so far, with pressure systems pushing cold air from the Arctic southwards into North America and Europe. The polar vortex is a large area ...

Copyright 2025 The Associated Press. All Rights Reserved. At least eight people have died in Kentucky as creeks swelled from heavy rain and water covered roads ...

After hours: February 19 at 5:01:06 PM EST Loading Chart for POLA ...

NSIDC's Polar Stereographic Projection was originally designed to be optimal for sea ice applications, though it is now used for many other products. Northern Hemisphere (left) and Southern Hemisphere ...

Python package for approximate leave-one-out cross-validation (LOO-CV) and Pareto smoothed importance sampling (PSIS) for Bayesian Modeling ...