National Academies of Sciences%2c Engineering%2c and Medicine

Pay and Working Conditions in the Long-Distance Truck and Bus Industries: Assessing for Effects on Driver Safety and Retention

For-hire trucking—as opposed to in-house private carriers that transport the goods of their parent company—is a large and heterogeneous industry with considerable variability in carrier sizes, ...
Nature

Long range planning

A late-night drive to Mendocino, California, USA, some 20 years ago gave a young researcher at Cetus the opportunity to dream up a solution to a problem that had been much on his mind lately—a process ...
Nature

Long and accurate polymerase chain reaction

1| Combine the following components of the master mix on ice and mix thoroughly: 10× KLA reaction buffer (pH 9.2): 500 mM Tris base, 160 mM (NH 4) 2 SO 4, 25 mM MgCl 2, 1% Tween 20. Note, the pH is ...
NPR

Sources & Methods

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...